9086216
Descrição
Quiz por Жарас Мергазы, atualizado more than 1 year ago
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Criado por Жарас Мергазы
aproximadamente 7 anos atrás
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Questão 1
Questão
1. With what option we can display warnings while compile with command "gcc"?
Responda
-
-o
-
-Wall
-
-I
-
-print-sysroot
Questão 2
Questão
What number of classes (*.java) has project-01?
Responda
-
3
-
5
-
2
-
4
Questão 3
Questão
What number of source code files has ex-05 in project-01?
Responda
-
3
-
2
-
4
-
5
Questão 4
Questão
What number wasn’t tested in TestMainline class in prject01?
Responda
-
4
-
2
-
81
-
64
-
91
Questão 5
Questão
In exercises 11-13 nodes are stored?
Responda
-
Position and salary
-
Name and study year
-
Position and birth year
-
Name and age
Questão 6
Questão
Ex-16. what is size of matrix in given large.txt?
Responda
-
60
-
50
-
80
-
30
Questão 7
Questão
What is range of verify numbers for square root in proj2?
Responda
-
2 to 1000
-
2 to 100
-
2 to 100000
-
2 to 10000
Questão 8
Questão
What are files in C portion of proj2?
Responda
-
Sqr.c sqr.h unumber.c unumber.h
-
Makefile, sqr.c, unumber.c, unumber.h
-
Makefile, sqr.c, sqr.h, unumber.c
-
Makefile , sqr.c , unumber.c, squareRootTwo.text
Questão 9
Questão
Ex-10 what does UNumber structure include ?
Responda
-
Value
-
Range
-
Decimal point
-
Decimal power
-
Count
-
Sign
Questão 10
Questão
What number of errors has code in Exercise-03?
Responda
-
3
-
1
-
4
-
2
Questão 11
Questão
2. "pdsa" what does it mean? (Please select the best answer)
Responda
-
name of created folder in excercise 01
-
abbreviation of SDP-4 course name
-
performance, data storage and algorithms
-
special folder where all our deliverables are stored
Questão 12
Questão
What does Unix command - ls?
Responda
-
refers to your home directory
-
lists the contents of a directory
-
refers to the current directory
-
displays the path of the current directory
Questão 13
Questão
. On a 32bit system CLOCKS_PER_SEC equals
Responda
-
100000
-
1000000
-
1000000000000
-
1000000000
-
10000000
Questão 14
Questão
What should we do to remove executable and the intermediate build files?
Responda
-
rm *
-
make clean
-
make del
-
. make rm
Questão 15
Questão
What main benefit gives us "makefile" in doing exercises? (Please select the best answer)
Responda
-
. shows us more detailed information about errors
-
saves our time while we debugging program code
-
quick compile in short command - 'make'
-
enriches our compile options
Questão 16
Questão
. Project 01 ends on what number of exercises?
Responda
-
8
-
7
-
5
-
6
Questão 17
Questão
What does Unix command - './file'?
Responda
-
. refers to a directory called 'file'
-
execute first file in current directory
-
compile called 'file'
-
refers to an entity called 'file' in the current directory
Questão 18
Questão
The default name of the compiled program is
Responda
-
d.out
-
a.out
-
c.out
-
the same name as source file, but with .out
Questão 19
Questão
2. Ex-09. What was the number of values in data.txt?
Responda
-
300
-
25
-
200
-
10
-
500
Questão 20
Questão
3. What number of array's size is large enough in ex-15?
Responda
-
~ 1 000
-
~ 10
-
~ 1 000 000
-
~ 100
Questão 21
Questão
4. Type macros bool is contained in library:
Responda
-
~ stdlib.h
-
~ time.h
-
~ stdio.h
-
~ stdbool.h
Questão 22
Questão
5. What number of Exercises in Project-01?
Responda
-
4
-
3
-
2
-
5
Questão 23
Questão
To get result time in miliseconds (in Java program) what should we do in Ex05 with calculated time?
To get result time in miliseconds (in Java program) what should we do in Ex05?
Responda
-
~ / 100
-
~* 10 000
-
~ * 1 000
-
~ * 100 000
-
~ / 1 000 000
Questão 24
Questão
7. In exercise-04 we used 1E+10 to...
Responda
-
to put limit of numbers after point
-
establish the limit for ending the loop
-
setup the limit number of loop iterations
-
establish the maximum of delta between guess and new_guess numbers
Questão 25
Questão
8. In exercise-04 for loop we used 2nd limit for ending, and limit was what number of cycles?
Responda
-
1+E10
-
10
-
20
-
100
-
200
-
1000
-
1000000
Questão 26
Questão
name: "PDSA" what does it mean?
"PDSA" what does it mean? (Please select the best answer){
Responda
-
performance, data service and algorithms
-
performance, digital service and algorithms
-
performance, data structures and algorithms
-
performance, digital structures and algorithms
Questão 27
Questão
name: What does Unix command - mkdir ?
What does Unix command - mkdir ?{
Responda
-
displays the path of the current directory
-
refers to the current directory
-
lists the contents of a directory
-
creates directory
Questão 28
Questão
How to delete files in Unix terminal?
How to try to delete some files in Unix terminal?{
Responda
-
with command - del
-
with command - mv
-
with command - make clean
-
with command - cp
Questão 29
Questão
The default name with option "-o ex02" of the compiled program is:
The name of compiled file with option "-o ex02.out" is\:
Responda
-
a.out
-
ex02
-
ex02.out
-
ex02.c
Questão 30
Questão
What does "makefile" include? (2 right answers){
Responda
-
%50% dependencies
-
%50% targets
-
%50% text of warning messages
-
%50% descriptions
Questão 31
Questão
What should we do to remove executable, intermediate build files and all others?
What should we do to delete all files in local directory (i.e. executable and intermediate build files)?
Responda
-
make rm
-
rm *
-
rm clean
-
make del
Questão 32
Questão
What Unix command should we use in order to refresh modification time of file?
Exercise-03. What Unix command should we use in order to refresh modification time of file?
Responda
-
modify
-
make
-
touch
-
make update
Questão 33
Questão
What does in Unix command "./" the dot "." specify?
Responda
-
local file
-
entity of excutable file
-
current directory
-
excute only compiled files
Questão 34
Questão
In Unix path command "~/" tilde "~" specify?
Responda
-
root directory
-
home directory
-
current directory
-
containing directory
Questão 35
Questão
What does Unix command - "mkdir ../dom" ?
Responda
-
creates directory "dom" in containing directory
-
creates directory "dom" in home directory
-
creates directory "dom" in local directory
-
creates directory "dom" in current directory
Questão 36
Questão
The default name with option "-o task_01" of the compiled program is:
The name of compiled file with option "-o task_01" is
Responda
-
a.out
-
task_01
-
task_01.out
-
task_01.c
Questão 37
Questão
With what option we can display warnings while compile with command "gcc"?{
Responda
-
-o
-
-Wall
-
-I
-
-print-sysroot
Questão 38
Questão
What does file extension have source code file in C
Responda
-
*.o
-
*.h
-
*.c
-
*.f
Questão 39
Questão
How to try to delete something in Unix terminal?
Responda
-
with command - del
-
with command - mv
-
with command - mkdir
-
with command - rmdir
Questão 40
Questão
What does Unix command - '../make_file' ?
Responda
-
compile file with name 'make_file'
-
try to compile and show warnings
-
refers to an entity called 'make_file' in the current directory
-
runs excutable file 'make_file' in the containing directory
Questão 41
Questão
How we calculate new_guess number in our Newton's method?
Responda
-
new_guess \~ value / 2;
-
new_guess \~ (old_guess + value) / 2.0;
-
new_guess \~ (old_guess + value / old_guess) / 2.0;
-
new_guess \~ (old_guess + value / 2) / 2;
Questão 42
Questão
Exercise-03. With Unix command "make" we can use targets at command promt, please select them: (2 right answers)
Responda
-
~%50% clean
-
~%50% all
-
~%50% touch
-
~%50% makefile
Questão 43
Questão
What does in Unix command "../" dots ".." specify?
Responda
-
root directory
-
home directory
-
current directory
-
containing directory
Questão 44
Questão
"UPM" what does it mean in Project-01?
Responda
-
Universal Precision Math
-
Unlimited Precision Model
-
Universal Precision Model
-
Universal Processor Math
-
Unlimited Precision Math
Questão 45
Questão
Exercise-05. How to right look in third section of man pages?
Responda
-
man clock 3
-
man -3 clock
-
man ./3 clock
-
man 3 clock
Questão 46
Questão
What header file (C library) we should insert in code for using "clock" function?
Responda
-
time.h
-
nanoTime.h
-
clocks.h
-
clock.h
Questão 47
Questão
What was search algorithm used in exercise-8?
Responda
-
recursive search
-
binary search
-
insertion
-
selection
Questão 48
Questão
We have C library calc.h and calc.o, what we have to do next for using this library?
Responda
-
while compile just add in console command calc.h at the end
-
modify make file by adding new object in it
-
write in source code define calc.h
-
write in source code include calc.o
Questão 49
Questão
What was sort algorithm used in exercise-7?
Responda
-
bubble
-
insertion
-
selection
-
merge
Questão 50
Questão
For what did we use conditional compilation in exercise-8?
Responda
-
for calling library
-
for debugging information
-
for sorting array of doubles
-
for extra output
Questão 51
Questão
What have we learned in exercise-9 for minimizing errors in code?
Responda
-
using bubble sort
-
using constants
-
using libraries
-
using pointers
Questão 52
Questão
What is period of DEBUG in exercise-9?
Responda
-
0 - 2
-
0 - 3
-
0 - 4
-
0 - 5
Questão 53
Questão
Ex-09. Step-12: In which function is the problem?
Ex-09. Step-12: In which function is the problem with ASCENDING and DESCENDING ?
Responda
-
bubble_sort
-
binary_search
-
main
-
insertion_sort
Questão 54
Questão
Ex-08. For #ifdef/#endif pair is right: (Please select the best answer)
Responda
-
checks to see if a constant is not defined
-
checks to see if a constant is defined
-
checks to see if a CFLAG is not defined
-
checks to see if a CFLAG is defined
Questão 55
Questão
Ex-08. With what option we can define constant as a parameter to the compiler (for conditional compilation)?
Responda
-
gcc -Wall -I. -DDEBUG
-
gcc -Wall -I. -DEBUG
-
gcc -Wall -I. -DCFLAGS
-
gcc -Wall -I. -CFLAGS
Questão 56
Questão
Function malloc is contained in library:
Responda
-
stdlib.h
-
time.h
-
stdio.h
-
stdbool.h
Questão 57
Questão
Ex-10. What does UNumber structure include? (3 right answers){
Responda
-
sign
-
decimal power
-
value
-
range
-
decimal point
-
count
Questão 58
Questão
Ex-13. Is it right for "Memory tracing"? Memory tracking simply involves counting the number of times malloc and free are called
Responda
- True
- False
Questão 59
Questão
Ex-13. With what format in function printf can program display the values of pointers?
Responda
-
%f
-
%v
-
%s
-
%p
Questão 60
Questão
What is result of "5" + "2" in ASCII codes?
Responda
-
7
-
103
-
52
-
155
Questão 61
Questão
What is false for Single Linked List?
Responda
-
has head and tail nodes
-
has pointer for previous node
-
we can move node by node only to one direction
-
we can insert node
Questão 62
Questão
What is false for Double Linked List?
Responda
-
has head and tail nodes
-
has pointer for previous node
-
we can move node by node only to one direction
-
we can insert node
Questão 63
Questão
With what function we allocate memory?
Responda
-
givmem
-
free
-
malloc
-
alloc
Questão 64
Questão
Exercise-14. You can build Java programs at the command line using command:
Responda
-
make
-
gcc -Wall
-
javac
-
java
Questão 65
Questão
What is result of "8" + "7" in ASCII codes?
Responda
-
15
-
111
-
87
-
159
Questão 66
Questão
Exercise-14. You can run Java programs at the command line using command:
Responda
-
.\
-
gcc -Wall
-
javac
-
java
Questão 67
Questão
With what function we release memory?
Responda
-
calloc
-
free
-
malloc
-
alloc
Questão 68
Questão
What is result of "8" + "3" in ASCII codes?
Responda
-
11
-
107
-
83
-
159
Questão 69
Questão
What is true for Single Linked List?
Responda
-
has head and tail nodes
-
easy display list in any direction
-
node has two pointers
-
we can move node by node only to one direction
-
we can remove node
Questão 70
Questão
What is true for Double Linked List?
Responda
-
has head node and not tail node
-
has pointer for previous node
-
we can move node by node to any direction
-
every node has pointer to next node which is always tail
-
we can remove node
Questão 71
Questão
Ex-16. Conway Game of Life. Will this colony "111" of three live cells disappear on next iteration?
Responda
- True
- False
Questão 72
Questão
Pointer arithmetric formula for 2-dim arrays in C?
Responda
-
p + (num_cols * row) + col
-
p * (num_cols * row) + col
-
p + (num_cols + row) * col
Questão 73
Questão
CONWAY GAME OF LIFE. Is this rule true?
CONWAY GAME OF LIFE. Is this rule true? Any live cell with fewer than two live neighbors dies
Responda
- True
- False
Questão 74
Questão
CONWAY GAME OF LIFE. Is this rule true? Any live cell with two or three live neighbors dies on to the next generation
Responda
- True
- False
Questão 75
Questão
Ex-16. Conway Game of Life. What colony of cells (size: 3x3 written in one line like: 111 101 111) will die on next iteration?
Responda
-
111 111 000
-
110 110 000
-
000 101 101
-
001 100 100
Questão 76
Questão
Ex-16. Conway Game of Life. What colony of cells (size: 3x3 written in one line like: 111 101 111) will die on next iteration?
Responda
-
001 110 000
-
110 110 000
-
100 000 001
-
001 100 100
Questão 77
Questão
CONWAY GAME OF LIFE. Is this rule true? Any live cell with more than three live neighbors dies, as if by overcrowding
Responda
- True
- False
Questão 78
Questão
Ex-16. Conway Game of Life. What colony of cells will survive on next iteration?
Responda
-
111
-
10101
-
11011
-
101
Questão 79
Questão
Ex-16. Conway Game of Life. What colony of cells (size: 3x3 written in one line like: 111 101 111) will die on next iteration?
Responda
-
000 111 000
-
110 110 000
-
110 100 000
-
101 101 000
Questão 80
Questão
What is purpose of argument -s in Project-02?
Responda
-
specifies the number of value which we should input to sqr function
-
specifies the number of significant digits
-
specifies the name of the comparison input file
-
specifies the name of the input file with test values
Questão 81
Questão
What does Lex do?
Responda
-
recognizes whether an input string is an instance of a specified pattern
-
generates code for a lexical analyzer based on definitions in an input file
-
recognizes tokens in a stream of characters
-
generates definitions for a lexical analyzer based on patterns
Questão 82
Questão
What does the following regular expression match?[-+]?[[\:digit\:]]+/[[\:digit\:]]+</p>
Responda
-
<p>+4/5</p>
-
<p>+2/3+</p>
-
<p>-+2/6</p>
-
<p>-4/5+</p>
Questão 83
Questão
What does the following regular expression match?[-+]?[[\:digit\:]]+</p>
Responda
-
~<p>75</p>
-
~<p>+23a</p>
-
~<p>-26g</p>
-
~<p>?32f</p>
Questão 84
Questão
What is FSM?
Responda
-
Finite System Machine
-
Finite Service Machine
-
Final System Model
-
Finite State Machine
Questão 85
Questão
Which string is right for FSM with model\: ( 0 ) \~ a-z \~ ( 1 ) \~ 0-9 \~ ( 2 ) \~ @ \~ ( 3 ) \~ a-z \~ (( 4 ))
Responda
-
012@34
-
tt@r
-
0a12@a
-
f0@x
Questão 86
Questão
The Lex program has existed since the...
Responda
-
1960
-
1980
-
1970
-
1990
Questão 87
Questão
Select a regular expression that matches : 10k or 10K
Responda
-
~[[:digit:]]+[kK]
-
~[[:digit:]]+[kK]?
-
~[[:digit:]][kK]*
-
~[[:digit:]][k]
Questão 88
Questão
Select a regular expression that matches : Strings that contain an optional minus or plus followed by zero or more alphabetic characters
Responda
-
~[-+][[:alnum:]]*
-
~[-+][[:alpha:]]*
-
~[-+][[:alnum:]]+
-
~[-+]?[[:alpha:]]+
-
~[-+]?[[:alpha:]]*
Questão 89
Questão
What do the following regular expressions match [-+][[:digit:]]*?
Responda
-
Strings that contain a required minus or a plus followed by zero or more digits
-
Strings that contain a required minus or a plus followed by one or more digits
-
Strings that contain an optional minus or plus followed by one or more digits
-
Strings that contain an optional minus or plus followed by zero or more digits.
Questão 90
Questão
What FSM recognizes this string token? "2*2~4"
Responda
-
( 0 ) --- 0-9 --- ( 1 ) --- * --- ( 2 ) --- 0-9 --- ( 3 ) --- \~ --- ( 4 ) --- 0-9 --- (( 5 ))
-
( 0 ) --- 0-9 --- ( 1 ) --- a-z --- ( 2 ) --- 0-9 --- ( 3 ) --- a-z --- ( 4 ) --- 0-9 --- (( 5 ))
-
( 0 ) --- 0-9 --- ( 1 ) --- a-z --- ( 2 ) --- 0-9 --- ( 3 ) --- \~ --- ( 4 ) --- 0-9 --- (( 5 ))
-
( 0 ) --- 0-9 --- ( 1 ) --- * --- ( 2 ) --- 0-9 --- ( 3 ) --- a-z --- ( 4 ) --- 0-9 --- (( 5 ))
Questão 91
Questão
Select a regular expression that matches : Strings that contain a required minus or a plus followed by zero or more alpha-numeric characters
Responda
-
[-+][[:alnum:]]*
-
[-+]?[[:alpha:]]*
-
[-+][[:alnum:]]+
-
[-+]?[[:digit:]]+
-
[-+][[:alpha:]]+
Questão 92
Questão
What does the following regular expression match?[-+]?[[\:digit\:]]+</p>
Responda
-
<p>23</p>
-
<p>+45</p>
-
<p>26g+</p>
-
<p>?32f</p>
Questão 93
Questão
What does the following regular expression match?[-+]?[[\:alnum\:]]+/[^$]+</p>
Responda
-
<p>gf26/dsfeg</p>
-
<p>gf23/dsfeg$</p>
-
<p>-123g/ffef$</p>
-
<p>?123f/ffef</p>
Questão 94
Questão
9. What does the following regular expression match? [-+]?[[\:alnum\:]]+/[^$]+
Responda
-
<p>abs123/ffef</p>
-
<p>abs123/ffef$</p>
-
<p>-26g/dsfeg$</p>
-
<p>?32f/wrw$</p>
Questão 95
Questão
10. What does this Unix commad\: lex baseline.lex?
Responda
-
generate a definition file
-
run the resulting program
-
generate a source code file called lex.yy.c
-
compile the generated source file, resulting executable is a.out
Questão 96
Questão
What do the following regular expressions match "iitu[!]?" ?
Responda
-
Lines that contain the letter sequence i, i, t, u and probably !.
-
Lines that contain the letter sequence i, t, u, ! and ?.
-
Lines that contain the letter sequence ii, t, u, and !.
-
Lines that contain the letter sequence ii, t, u and probably !.
Questão 97
Questão
What FSM recognizes this string token? "d7@r"
Responda
-
( 0 ) \~ a-z \~ ( 1 ) \~ a-z \~ ( 2 ) \~ @ \~ ( 3 ) \~ a-z \~ (( 4 ))
-
( 0 ) \~ a-z \~ ( 1 ) \~ 0-9 \~ ( 2 ) \~ @ \~ ( 3 ) \~ a-z \~ ( 4 ) \~ a-z \~ (( 5 ))
-
( 0 ) \~ a-z \~ ( 1 ) \~ 0-9 \~ ( 2 ) \~ 0-9 \~ ( 3 ) \~ @ \~ ( 4 ) \~ a-z \~ (( 5 ))
-
( 0 ) \~ a-z \~ ( 1 ) \~ 0-9 \~ ( 2 ) \~ @ \~ ( 3 ) \~ a-z \~ (( 4 ))
Questão 98
Questão
For calling FSM program we need:
Responda
-
token file
-
definition file
-
input file
-
note file
Questão 99
Questão
In UNIX console "ls *.[ch]" command what will do?
Responda
-
list all files in the current directory that end with .ch
-
list all files in the current directory that end with .[ch]
-
list all files in the current directory that end with .c or .h
-
list all files in the current directory that end with .ch, .c or .h
Questão 100
Questão
What FSM recognizes this string token? "apt-7,bld#2"
Responda
-
( 0 ) \~ a-z \~ ( 1 ) \~ a-z \~ ( 2 ) \~ @ \~ ( 3 ) \~ a-z \~ (( 4 ))
-
( 0 ) \~ a-z \~ ( 1 ) \~ 0-9 \~ ( 2 ) \~ @ \~ ( 3 ) \~ a-z \~ (( 4 ))
-
( 0 ) \~ apt \~ ( 1 ) \~ - \~ ( 2 ) \~ 0-9 \~ ( 3 ) \~ ,bld\# \~ ( 4 ) \~ 0-9 \~ (( 5 ))
-
( 0 ) \~ a-z \~ ( 1 ) \~ - \~ ( 2 ) \~ 0-9 \~ ( 3 ) \~ , \~ ( 4 ) \~ a-z \~ ( 5 ) \~ \# \~ ( 6 ) \~ 0-9 \~ (( 7 ))
-
( 0 ) \~ apt- \~ ( 1 ) \~ 0-9 \~ ( 2 ) \~ , \~ ( 3 ) \~ bld \~ ( 4 ) \~ \#0-9 \~ (( 5 ))
Questão 101
Questão
For calling FSM program we need
Responda
-
token file
-
file with definitions
-
output file
-
note file
Questão 102
Questão
Ex-16. Conway Game of Life. What colony of cells will survive on next iteration?
Conway Game of Life. What colony of cells will die on next iteration?{
Responda
-
11100
-
10101
-
11011
-
00111
Questão 103
Questão
Ex1-4. The name of compiled file with option "-o wall2" is
Responda
-
a.out
-
wall2
-
wall2.out
-
wall2.o
Questão 104
Questão
Ex-22. Java tokenizer program recognizes... (2 right answers)
Responda
-
Unumber
-
number
-
string tokens
-
char tokens
Questão 105
Questão
Ex-23 program was enhaced to skip: (2 right answers)
Responda
-
octal numbers
-
comments
-
white space
-
Unknown tokens
Questão 106
Questão
Ex-25 program was enhaced to recognize: (2 right answers)
Responda
-
special characters
-
reserved words
-
operators
-
comments
Questão 107
Questão
In Ex-22 we don't recognize fully those tokens : (2 right answers)
Responda
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number
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UNKNOWN
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octal
-
string
Questão 108
Questão
Character "f" represents command
Responda
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hexadecimal digit
-
octal digit
-
final state
-
any digit
Questão 109
Questão
Character "h" represents command
Responda
-
hexadecimal digit
-
octal digit
-
final state
-
any digit
Questão 110
Questão
Character "d" represents command
Responda
-
hexadecimal digit
-
octal digit
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nonzero digit
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any digit
Questão 111
Questão
Character "z" represents command
Responda
-
hexadecimal digit
-
octal digit
-
nonzero digit
-
any digit
Questão 112
Questão
Character "o" represents command:
Responda
-
hexadecimal digit
-
octal digit
-
nonzero digit
-
any digit
Questão 113
Questão
Character "p" represents command:
Responda
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specific character
-
pointer
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final state
-
printable ascii
Questão 114
Questão
Character "c" represents command
Responda
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specific character
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pointer
-
final state
-
printable ascii
Questão 115
Questão
Character "a" represents command:
Responda
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a specific character
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an alpha character
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an any character
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a printable ascii
Questão 116
Questão
For those characters that are not recognized by the FSM, all transitions for the row are set to...
Responda
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0
-
-1
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f
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*
Questão 117
Questão
Ex-25. What are words reserved? (2 right answers)
Responda
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GREATER_THAN
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AUTO
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STATIC
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EQUAL
Questão 118
Questão
Ex-25. What are words NOT reserved, they are operators? (2 right answers)
Responda
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REGISTER
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NOT
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MINUS_MINUS
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SWITCH
Questão 119
Questão
Ex-25. nonzero digit from: "0 z 1\n". Task please write your structure for printable characters (without double quotes)
Responda
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1 p 1\n
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1 p \1n
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1 1 p\n
Questão 120
Questão
Ex-29. A naive binary search tree is...
Responda
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balanced
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full
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general
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complete
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perfect
Questão 121
Questão
Ex-30. What is right for relative search time for trees with random and sorted data?(2 right answers)
Responda
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as tree height decreases, search time also increases
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search time is closely related to the height of the tree
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as tree height increases, search time also increases
Questão 122
Questão
Ex-31. AVL tree is...
Responda
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naive binary tree
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binary search tree
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full binary tree
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balanced binary tree
Questão 123
Questão
ex-29: the program is missing code:
Responda
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adding notes
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getting nodes.
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Inserting nodes
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Deleting nodes
Questão 124
Questão
. An AVL tree is...{
Responda
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a self-completing binary search tree
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a naive binary search tree
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a self-routed binary search tree
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a self-balancing binary search tree
Questão 125
Questão
Ex-31. The height of an AVL tree is most
Responda
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1.44*log2(n)
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3.14*log2(n+2)-1
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log2(n+2)-1
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1.44*log2(n+2)-1
Questão 126
Questão
Ex-31. The height of a tree of one billion nodes will be: (Please type just one any number)
Responda
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42
-
43
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44
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45
Questão 127
Questão
What are methods we have added in ChainHashTable.java?(2 right answers)
Responda
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insert()
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get()
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hash()
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del()
Questão 128
Questão
Ex-32. What are advantages have Hash table?(2 right answers)
Responda
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perfomance is slower than that of a binary tree
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perfomance is faster than that of a binary tree
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memory allocation is smaller than a comparable binary tree node
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memory allocation is larger than a comparable binary tree node
Questão 129
Questão
Ex-33. With what 2 values you can change setup of Experiment.java?(2 right answers)
Responda
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hashCode
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keyRadix
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hashPrime
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avgKey
Questão 130
Questão
Lec. Binary tree is:(2 right answers)
Responda
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left tree
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a root
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left subtree
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right tree
Questão 131
Questão
Lec. Binary tree's properties:(2 right answers)
Responda
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average depth of left subtree
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max of leaves
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max of nodes
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average depth of leaves
Questão 132
Questão
Lec. Binary Search Tree's properties: (2 right answers)
Responda
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each node has more 2 children
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left node smaller than his root node
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right node lager than his root node
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each node has less 2 children
Questão 133
Questão
Lec. Hash Tables:(2 right answers)
Responda
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Large-scale distributed systems
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Effective way of implementing dictionaries
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Generalization of ordinary arrays
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Memory-management tables in operating systems
Questão 134
Questão
Ex-37. In exercise the enhanced program has been modified: (3 right answers)
Responda
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Build expression trees for Boolean expressions
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to recognize Boolean expressions
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evaluate boolean expressions
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to recognize arithmetic expressions
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build expression trees for arithmetic expressions
Questão 135
Questão
Many languages allow overloading of operators. The is true or false in java?
Responda
- True
- False
Questão 136
Questão
Ex-37. For example, the "+" operator does different things depending on what its operands are: (3 right answers
Responda
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If the operands are doubles, a floating-point addition is performed
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If the operands are integers, an integer addition is performed
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If the operands are strings, a string concatenation is performed
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if the operands are strings, a floating-point addition is performed
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If the operands are integers, a string concatenation is performed
Questão 137
Questão
Ex-37. In exercise we can have 3 classes of operators: (3 right answers)
Responda
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Arithmetic
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relational
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logical
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logic
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relation
Questão 138
Questão
Ex-34. The program prompts the user for commands, then executes the commands. Unrecognized command is
Responda
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Insert
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Quit
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Dump
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Set
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Print
-
Reset
Questão 139
Questão
Ex-35. Which activity was NOT performed?
Responda
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Collect data by running the program
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Collect data by checking the program
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Collect data by executing the program
Questão 140
Questão
Ex-30. What are varying values for variables have used?(2 right answers)
Responda
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Step
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Maxsize
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MinSize
-
Level
Questão 141
Questão
Ex-32. What are methods we have added in ChainHashTable.java?(2 right answers)
Responda
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Add()
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hashtabletostring()
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setIn()
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gettable()
Questão 142
Questão
Ex-32. What are advantages have BST?(2 right answers)
Responda
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Finding closest lower and greater elements is faster than a hash table
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All operations are guaranted to work in O(login) time
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Performance much faster that that of a hashtable()
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Memory allocation is lower than a hash table
Questão 143
Questão
Ex-41. When the linked list is better?
Responda
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The number of items is very large
-
The number of items Is small
Questão 144
Questão
Ex-41. When the tree is better?
Responda
-
The number of items Is small
-
The number of items is very large
Questão 145
Questão
Ex-41. What are advatanges have a double linked list and linear search?
Responda
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fast search
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small code
-
simple algorithm
-
more complex code
Questão 146
Questão
In project 05 what 2 types of algorithms are used?
Responda
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BBT AWL
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BST AVL
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Hash Table
-
Hash Tree
Questão 147
Questão
Project 5 length?
Responda
-
5
-
4
-
3
-
6
Questão 148
Questão
Project 5 height
Responda
-
12
-
14
-
16
-
15
Questão 149
Questão
Project 5: the static analysis of the hash table should include:
Responda
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The longest length chain
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Average length of non-zero length chain
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The shortest length chain
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Average length of non-zero height chain
Questão 150
Questão
Ex-42. what is whatchpoint?
Responda
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Changing variable
-
Creating variable
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Writing varibale
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Changing value
Questão 151
Questão
Project 5. for the last two solutions you will need to?
Responda
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Minimal node in tree
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Tree height
-
Avl expected tree limit
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Average length of non-zero chains
Questão 152
Questão
Project 5 four versions:
Responda
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arraylist, array, avl BST, hash table
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arraylist, value, avl BST, hash table
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arraylist, array, variable, hash table
Questão 153
Questão
Project 5 words?
Responda
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250 000 words
-
50 000 words
-
100 000 words
-
1000 000 words
Questão 154
Questão
Project 5 found at first time:
Responda
-
25000
-
50000
-
100000
-
250000
Questão 155
Questão
Project 5 didn’t find at first time:
Responda
-
25000
-
50000
-
250000
-
100000
Questão 156
Questão
Write a regular expression that matches the writing: d23, D23 or 23).
For example for numbers: -4, 3 or +5; right regular expression is written like that:[+-]?[[:digit:]]+
Responda
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[dD]?[[:digit:]]+
-
[Dd]?[[:digit:]]+
-
[Dd]?[[:digit:]]
Questão 157
Questão
Write a regular expression that matches the exponent part of a floating point
number written in scientific notation (e.g. e10 or E10). Sample for -4, 3 or +5 answer is [+-]?[[:digit:]]+{
Responda
-
[eE][[:digit:]]+
-
[eE][[:digits:]]+
-
[dD][[:digit:]]+
Questão 158
Questão
Write a regular expression that matches the writing number of apartment (e.g. n23 or N23).
For example for numbers: -4, 3 or +5; right regular expression is written like that:[+-]?[[:digit:]]+{
Responda
-
[nN][[:digit:]]+
-
[nN][[:digit:]]
-
[eE][[:digit:]]+
-
[dD][[:digit:]]+
Questão 159
Questão
Write a regular expression that matches the writing number with pi (e.g. 2pi, -33pi or +5pi).
For example for numbers: -4, 3 or +5; right regular expression is written like that:[+-]?[[:digit:]]+{
Responda
-
[+-]?[[:digit:]]+[[:alpha:]]+
-
[+-]?[[:digit:]]+[pi]
-
[+-]?[[:digit::]]+[pi]
Questão 160
Questão
Ex-40. Why might using a profiler on your code be useful? (2 right answers)
Responda
-
A profiler can be used to guide efforts to improve a program.
-
For example, measuring timing information can help guide efforts to improve performance.
-
A profiler cannot be used to guide efforts to improve a program.
Questão 161
Questão
Ex-40. In what method is the program spending most of its time when executing the List All command?{
Responda
-
ArrayListDictionary.listAll().
-
dictionary.dictEntry.toString()
Questão 162
Questão
Ex-40. What method is called the most times?{
Responda
-
ArrayListDictionary.listAll().
-
dictionary.dictEntry.toString() is called once for each entry in the dictionary.
Questão 163
Questão
Ex-40. What are some possible improvements that could be investigated for this problem (low performance)? (2 right answers)
Responda
-
StringBuilder or StringBuffer
-
StringBuild or StringBuffer
-
StringBuilder or StringBuff
Questão 164
Questão
Ex-41. What are examples of goals when optimizing code? (3 right answers)
Responda
-
The most common goals of optimization are to maximize performance (execution speed), minimize program size (memory footprint), and/or minimize memory usage (RAM).
-
The most common goals of optimization are to maximize performance (execution speed), minimize program size (memory footprint), and/or maximize memory usage (RAM).
-
The most common goals of optimization are to minimize performance (execution speed), minimize program size (memory footprint), and/or minimize memory usage (RAM).
Questão 165
Questão
Ex-41. What is the 90/10 rule or law of program optimization? Please select right examples: (2 right answers){
Responda
-
90% of execution time of a program is spent in 10% of the code and 90% of the time is spent developing/debugging 10% of the code.
-
10% of execution time of a program is spent in 90% of the code and 90% of the time is spent developing/debugging 10% of the code.
-
90% of execution time of a program is spent in 10% of the code and 10% of the time is spent developing/debugging 90% of the code.
Questão 166
Questão
Project 5 finish:
Responda
-
compare the results from data stored randomly, stored alphabetically and stored in reverse
-
do a static analysis
-
alphabetic order
-
provide an analysis of the results from running the four different solutions
-
look at search times
Questão 167
Questão
What was the error out of type range in ex-9?
Responda
-
101211
-
Ascending –descending
-
Num-items – 1000
-
Array[0] - 32767
Questão 168
Questão
Ex-40. What is "profiling" as used in software development? Profiling is a form of dynamic program analysis that measures things like: (3 right answers){
Responda
-
memory usage, instruction usage, method calls, timing information, e.g., how much time spent in particular methods
-
memory usage, instruction usage, timing information, e.g., how much time spent in particular methods
-
memory usage, instructions, method calls, timing information, e.g., how much time spent in particular methods
Questão 169
Questão
Infix: ( (4 * 2) + (5 - 2) + ( ( 6 + 4) * (1 + 1) ) )
What is postfix?
Responda
-
4 2 * 5 2 - + 6 4 + 1 1 + * +
-
4 2 * 5 2 - + 6 4 + 1 1 + +*
-
4 *2 5 -2 + 6 4 + 1 1 + * +
Questão 170
Questão
Infix: ( (4 * 2) + (5 - 2) + ( ( 6 + 4) * (1 + 1) ) )
What is Prefix :
Responda
-
+*42-52*+64+11
-
*+42-52*+64+11
-
+*42-52+*64+11
Questão 171
Questão
Infix: ((8-5)*((4+2)/3))
What is Postfix:
Responda
-
8 5 - 4 2 + 3 / *
-
8 5 - 4 2 + 3 */
-
8 5 +4 2 - 3 / *
Questão 172
Questão
Infix: ((8-5)*((4+2)/3))
What is Prefix :
Responda
-
*-85/+423
-
-*85/+423
-
*-85+/423
Questão 173
Questão
What is Infix: ((3*((7+1)/4))+(17-5))
What is Postfix:
Responda
-
3 7 1 + 4 / * 17 5 - +
-
3 7 1 + 4 / * 17 5 + -
-
3 7 1 + 4 * / 17 5 - +
Questão 174
Questão
What is Infix: ((3*((7+1)/4))+(17-5))
What is Prefix:
Responda
-
*+3/+714-175
-
+*3/+714-175
-
+*3+/714-175
Questão 175
Questão
Infix: ((3+4)*((6-2)/7))
What is Postfix:
Responda
-
3 4 + 6 2 - /7 *
-
3 4 + 6 2 - 7 */
-
3 4 + 6 2 - 7 / *
Questão 176
Questão
Infix: ((3+4)*((6-2)/7))
What is Prefix:
Responda
-
*+34/-627
-
+*34/-627
-
*+34/6-27
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