3636037
Descripción
Test por ihateseneca, actualizado hace más de 1 año
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Creado por ihateseneca
hace casi 9 años
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Pregunta 1
Pregunta
The decimal system has a base of __.
Respuesta
-
10
-
100
-
1000
-
2
Pregunta 2
Pregunta
The decimal number 7 would be written in binary as 1011.
Respuesta
- True
- False
Pregunta 3
Pregunta
To express a number in decimal requires fewer digits than in the binary system.
Respuesta
- True
- False
Pregunta 4
Pregunta
For a base 2 number system, the weight value associated with the 3rd digit would be 4.
Respuesta
- True
- False
Pregunta 5
Pregunta
Label the "Sign Bit" and the "Magnitude Bits"
Respuesta
-
Sign Bit
-
Magnitude Bits
Pregunta 6
Pregunta
What is the decimal value of binary 110010?
Respuesta
-
48
-
13
-
26
-
7
Pregunta 7
Pregunta
The decimal number 15 would be written in binary as
Respuesta
-
1111
-
4C
-
1000
-
00011001
Pregunta 8
Pregunta
Data can be stored in one 16-bit word as two separate groups of 8-bit data.
Respuesta
- True
- False
Pregunta 9
Pregunta
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).
Respuesta
- True
- False
Pregunta 10
Pregunta
+3 binary representation: 0011
-3 binary representation: [blank_start]1100[blank_end] (1's complement)
Respuesta
-
1100
Pregunta 11
Pregunta
The octal numbering system has a base of 9.
Respuesta
- True
- False
Pregunta 12
Pregunta
The weights for the octal numbering system are: 1, [blank_start]8[blank_end], [blank_start]64[blank_end], 512, ...
Respuesta
-
8
-
64
Pregunta 13
Pregunta
Numbers 8 and 9 are not allowed in the octal numbering system.
Respuesta
- True
- False
Pregunta 14
Respuesta
-
312
-
306
-
300
-
350
Pregunta 15
Pregunta
Convert this octal number to binary.
Respuesta
-
1
-
0
-
0
-
1
-
1
-
0
-
0
-
1
-
0
Pregunta 16
Pregunta
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]
Respuesta
-
6
-
7
-
8
-
9
-
A
-
B
-
C
-
D
-
E
-
F
Pregunta 17
Pregunta
The weights of the hexadecimal system are powers of base 16 (i.e. 1, 16, 256, etc.).
Respuesta
- True
- False
Pregunta 18
Pregunta
To convert a hexadecimal number to its decimal equivalent, the hexadecimal digits in the columns are divided by the base 16 weight.
Respuesta
- True
- False
Pregunta 19
Pregunta
Convert this hex number into binary.
Respuesta
-
0
-
0
-
0
-
1
-
1
-
0
-
1
-
1
-
0
-
1
-
1
-
1
Pregunta 20
Pregunta
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.
Respuesta
-
large
-
small
Pregunta 21
Pregunta
Convert this decimal number into a BCD number.
Respuesta
-
0
-
1
-
1
-
1
-
1
-
0
-
0
-
0
-
0
-
1
-
1
-
0
-
0
-
0
-
1
-
1
Pregunta 22
Pregunta
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.
Respuesta
-
N7:23
-
O:20
-
BCD
Pregunta 23
Pregunta
The Gray code is a special type of binary code that uses position weighting.
Respuesta
- True
- False
Pregunta 24
Pregunta
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.
Respuesta
-
American
-
Standard
-
Code
-
Information
-
Interchange
Pregunta 25
Pregunta
Gray codes are used with [blank_start]position encoders[blank_end] for accurate control of the motion of robots, machine tools, and servomechanisms.
Respuesta
-
position encoders
Pregunta 26
Pregunta
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.
Respuesta
-
parity
Pregunta 27
Pregunta
The two systems of parity normally used are odd and even.
Respuesta
- True
- False
Pregunta 28
Pregunta
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].
Respuesta
-
odd
-
even
-
even
-
odd
Pregunta 29
Pregunta
In the binary system + and – symbols are used to indicate whether a number is positive or negative.
Respuesta
- True
- False
Pregunta 30
Pregunta
The octal number 153 would be written in binary as:
Respuesta
-
011 101 001
-
011 111 101
-
001 101 011
-
010 100 011
Pregunta 31
Pregunta
What is the decimal equivalent for the BCD number 1000 0100 0010 0001?
Respuesta
-
8421
-
7863
-
1234
-
3728
Pregunta 32
Pregunta
The Gray code is set up so that as we progress from one number to the next, only one bit changes.
Respuesta
- True
- False
Pregunta 33
Pregunta
Which code is used to convert the keystrokes on the keyboard of a computer for the processor?
Respuesta
-
BCD
-
HEX
-
ASCII
-
OCTAL
Pregunta 34
Pregunta
A parity bit is used to check the _______ of data transmission.
Respuesta
-
speed
-
type
-
accuracy
-
time
Pregunta 35
Pregunta
What is the sum of binary numbers 1100 and 1011?
Respuesta
-
10110
-
10111
-
11100
-
00111
Pregunta 36
Pregunta
Which instruction is used to compare the relative magnitude of two quantities?
Respuesta
-
Add
-
Subtract
-
Multiply
-
Less Than
Pregunta 37
Pregunta
The process for dividing one binary number by another is the same for both binary and decimal numbers.
Respuesta
- True
- False
Pregunta 38
Respuesta
-
11110
Pregunta 39
Respuesta
-
0100
Pregunta 40
Pregunta
Good luck, babe
Respuesta
-
I love you
-
<3
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