3636037
Descrição
Quiz por ihateseneca, atualizado more than 1 year ago
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Criado por ihateseneca
aproximadamente 9 anos atrás
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Questão 1
Questão
The decimal system has a base of __.
Responda
-
10
-
100
-
1000
-
2
Questão 2
Questão
The decimal number 7 would be written in binary as 1011.
Responda
- True
- False
Questão 3
Questão
To express a number in decimal requires fewer digits than in the binary system.
Responda
- True
- False
Questão 4
Questão
For a base 2 number system, the weight value associated with the 3rd digit would be 4.
Responda
- True
- False
Questão 5
Questão
Label the "Sign Bit" and the "Magnitude Bits"
Responda
-
Sign Bit
-
Magnitude Bits
Questão 6
Questão
What is the decimal value of binary 110010?
Responda
-
48
-
13
-
26
-
7
Questão 7
Questão
The decimal number 15 would be written in binary as
Responda
-
1111
-
4C
-
1000
-
00011001
Questão 8
Questão
Data can be stored in one 16-bit word as two separate groups of 8-bit data.
Responda
- True
- False
Questão 9
Questão
To represent a negative number in 1's complement, you simply take the number's magnitude and flip all the bits (i.e. 1 becomes 0, and 0 becomes 1).
Responda
- True
- False
Questão 10
Questão
+3 binary representation: 0011
-3 binary representation: [blank_start]1100[blank_end] (1's complement)
Responda
-
1100
Questão 11
Questão
The octal numbering system has a base of 9.
Responda
- True
- False
Questão 12
Questão
The weights for the octal numbering system are: 1, [blank_start]8[blank_end], [blank_start]64[blank_end], 512, ...
Responda
-
8
-
64
Questão 13
Questão
Numbers 8 and 9 are not allowed in the octal numbering system.
Responda
- True
- False
Questão 14
Responda
-
312
-
306
-
300
-
350
Questão 15
Questão
Convert this octal number to binary.
Responda
-
1
-
0
-
0
-
1
-
1
-
0
-
0
-
1
-
0
Questão 16
Questão
The hexadecimal numbering system can be summarized as follows:
Sixteen digits: 0, 1, 2, 3, 4, 5, [blank_start]6[blank_end], [blank_start]7[blank_end], [blank_start]8[blank_end], [blank_start]9[blank_end], [blank_start]A[blank_end], [blank_start]B[blank_end], [blank_start]C[blank_end], [blank_start]D[blank_end], [blank_start]E[blank_end], [blank_start]F[blank_end]
Responda
-
6
-
7
-
8
-
9
-
A
-
B
-
C
-
D
-
E
-
F
Questão 17
Questão
The weights of the hexadecimal system are powers of base 16 (i.e. 1, 16, 256, etc.).
Responda
- True
- False
Questão 18
Questão
To convert a hexadecimal number to its decimal equivalent, the hexadecimal digits in the columns are divided by the base 16 weight.
Responda
- True
- False
Questão 19
Questão
Convert this hex number into binary.
Responda
-
0
-
0
-
0
-
1
-
1
-
0
-
1
-
1
-
0
-
1
-
1
-
1
Questão 20
Questão
The BCD (Binary-Coded Decimal) numbering system provides a convenient way of handling [blank_start]large[blank_end] numbers that need to be inputted to or outputted from a PLC.
Responda
-
large
-
small
Questão 21
Questão
Convert this decimal number into a BCD number.
Responda
-
0
-
1
-
1
-
1
-
1
-
0
-
0
-
0
-
0
-
1
-
1
-
0
-
0
-
0
-
1
-
1
Questão 22
Questão
This instruction will convert the binary bit pattern at the source address [blank_start]N7:23[blank_end], into a [blank_start]BCD[blank_end] bit pattern of the same decimal value as the destination address, [blank_start]O:20[blank_end]. The instruction executes every time it is scanned and the instruction is true.
Responda
-
N7:23
-
O:20
-
BCD
Questão 23
Questão
The Gray code is a special type of binary code that uses position weighting.
Responda
- True
- False
Questão 24
Questão
ASCII stands for [blank_start]American[blank_end] [blank_start]Standard[blank_end] [blank_start]Code[blank_end] for [blank_start]Information[blank_end] [blank_start]Interchange[blank_end]. It is an alphanumeric code because it indicates letters as well as numbers.
Responda
-
American
-
Standard
-
Code
-
Information
-
Interchange
Questão 25
Questão
Gray codes are used with [blank_start]position encoders[blank_end] for accurate control of the motion of robots, machine tools, and servomechanisms.
Responda
-
position encoders
Questão 26
Questão
Some PLC communications systems use a [blank_start]parity[blank_end] bit to check the accuracy of data transmission. For example, when data are transferred between PLCs, one of the binary bits may accidentally change states.
Responda
-
parity
Questão 27
Questão
The two systems of parity normally used are odd and even.
Responda
- True
- False
Questão 28
Questão
Odd parity means that the total number of binary 1 bits in the character, including the parity bit, is [blank_start]odd[blank_end]. Even parity means that the total number of binary 1 bits in the character, including the parity bit, is [blank_start]even[blank_end].
Responda
-
odd
-
even
-
even
-
odd
Questão 29
Questão
In the binary system + and – symbols are used to indicate whether a number is positive or negative.
Responda
- True
- False
Questão 30
Questão
The octal number 153 would be written in binary as:
Responda
-
011 101 001
-
011 111 101
-
001 101 011
-
010 100 011
Questão 31
Questão
What is the decimal equivalent for the BCD number 1000 0100 0010 0001?
Responda
-
8421
-
7863
-
1234
-
3728
Questão 32
Questão
The Gray code is set up so that as we progress from one number to the next, only one bit changes.
Responda
- True
- False
Questão 33
Questão
Which code is used to convert the keystrokes on the keyboard of a computer for the processor?
Responda
-
BCD
-
HEX
-
ASCII
-
OCTAL
Questão 34
Questão
A parity bit is used to check the _______ of data transmission.
Responda
-
speed
-
type
-
accuracy
-
time
Questão 35
Questão
What is the sum of binary numbers 1100 and 1011?
Responda
-
10110
-
10111
-
11100
-
00111
Questão 36
Questão
Which instruction is used to compare the relative magnitude of two quantities?
Responda
-
Add
-
Subtract
-
Multiply
-
Less Than
Questão 37
Questão
The process for dividing one binary number by another is the same for both binary and decimal numbers.
Responda
- True
- False
Questão 38
Responda
-
11110
Questão 39
Responda
-
0100
Questão 40
Questão
Good luck, babe
Responda
-
I love you
-
<3
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