1613274
Beschreibung
Quiz von johnrclark12, aktualisiert more than 1 year ago
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Erstellt von johnrclark12
vor etwa 10 Jahre
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Frage 1
Frage
True or False? The loader is software that puts a machine-language program into memory so that it can be executed.
Antworten
- True
- False
Frage 2
Frage
True or False? In Pep/8 assembly language, you can allocate data storage space of various sizes, give these locations names, and refer to them by name later in the program.
Antworten
- True
- False
Frage 3
Frage
Which register holds the results of operations?
Antworten
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instruction register
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status register
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index register
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program counter
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accumulator
Frage 4
Frage
Which part of the Pep/8 instruction specifier indicates which instruction is to be carried out?
Antworten
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accumulator
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operation code
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addressing mode specifier
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status bit
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register specifier
Frage 5
Frage
True or False? In the Pep/8 machine, the contents of the A register can be compared to the contents of a place in memory.
Antworten
- True
- False
Frage 6
Frage
True or False? The data-coverage testing approach tests the limits of the program's data.
Antworten
- True
- False
Frage 7
Frage
Which of the following is true about clear-box testing?
Antworten
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the testing is performed each time the program changes
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the testing is performed by dedicated testers
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the test cases are based on the input
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the test cases are based on the output
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the test cases are based on the code
Frage 8
Frage
What is an assembler directive?
Antworten
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an assembly language instruction
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a human readable comment
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an instruction that begins the assembly language translation
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an alternative way to specify the operand
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an instruction to the assembler program
Frage 9
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True or False? A cooking recipe is an algorithm.
Antworten
- True
- False
Frage 10
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True or False? Pseudocode uses a mixture of English and indentation to express the processing steps of an algorithm.
Antworten
- True
- False
Frage 11
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Which of the following represents a set of unambiguous instructions for solving a problem in a finite amount of time using a finite set of data?
Antworten
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algorithm
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problem analysis
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program construct
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problem specification
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pseudocode
Frage 12
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Which of the following best describes top-down design?
Antworten
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converting classes into objects
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gathering small solutions to related subproblems into a complete solution
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decomposing a general solution into more concrete solutions to subproblems
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refining a particular solution into one that is more abstract
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coverting modules into subproblems
Frage 13
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True or False? A selection construct allows a decision to be made in an algorithm that determines which action is performed next.
Antworten
- True
- False
Frage 14
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True or False? The approach to problem solving developed by George Polya is valuable, but does not apply to computer-based solutions.
Antworten
- True
- False
Frage 15
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Which of the following produces in a search a true or false result?
Antworten
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data type
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data structure
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information hiding
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boolean expression
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control structure
Frage 16
Frage
Which of the following eliminates a large portion of the data with each comparison?
Antworten
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binary search
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Quicksort
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sequential search
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selection sort
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bubble sort
Frage 17
Frage
True or False? An array is a named collection of homogeneous items in which individual items are accessed by position.
Antworten
- True
- False
Frage 18
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True or False? A recursive solution must have at least two cases, a base case and a general case.
Antworten
- True
- False
Frage 19
Frage
Which of the following requires the use of a "splitting value"?
Antworten
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binary search
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sequential search
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selection sort
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Quicksort
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bubble sort
Frage 20
Frage
True or False? An operating system manages processes, which are programs currently being executed.
Antworten
- True
- False
Frage 21
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True or False? In a multiprogramming environment, more than one program is in main memory at the same time.
Antworten
- True
- False
Frage 22
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Which of the following best describes a partitioning approach in which a new partition is created to accommodate a new process?
Antworten
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dynamic partitions
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fixed partitions
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both
-
neither
Frage 23
Frage
Which of the following describes a memory management technique in which a program is divided into fixed sized sections and stored into areas of memory called frames?
Antworten
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round robin
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physical address
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logical address
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paged
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single contiguous
Frage 24
Frage
True or False? A real-time system is one for which the operating system must provide a guaranteed minimum response time to the user.
Antworten
- True
- False
Frage 25
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True or False? Response time is the delay between receiving a stimulus and responding to it.
Antworten
- True
- False
Frage 26
Frage
If a program is loaded into memory beginning at address 555555, what is the physical address of relative address 333333?
Antworten
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888888
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222222
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555555
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error
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333333
Frage 27
Frage
Which of the following is a CPU scheduling algorithm that allocates processes to the CPU in the order in which they arrive?
Antworten
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shortest-job-next
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turnaround time
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time slice
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first-come, first-served
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round robin
Frage 28
Frage
True or False? The shortest-job-next CPU scheduling algorithm is provably optimal, but requires knowledge of the future.
Antworten
- True
- False
Frage 29
Frage
True or False? The process control block (PCB) contains the algorithm that determines which process will gain control of the CPU.
Antworten
- True
- False
Frage 30
Frage
Which of the following describes a CPU scheduling algorithm in which each process is given a small amount of time to use the CPU before being forced to wait until its turn comes around again?
Antworten
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round robin
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shortest-job-next
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first-come, first-served
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turnaround time
-
time slice
Frage 31
Frage
Which of the following describes a degradation of system performance because too many pages are moving to and from memory?
Antworten
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demand paging
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context switch
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swapping
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thrashing
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virtual memory
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