# Quiz 4: Operations on Data

Computing

Q 1Q 1

_______ is an arithmetic operation.
A) The exclusive OR
B) The unary NOT
C) Subtraction
D) The binary AND

Free

Multiple Choice

C

Q 2Q 2

_______ is a logical bit operator.
A) The exclusive OR
B) The unary NOT
C) The binary AND
D) exclusive OR, unary NOT, or binary AND

Free

Multiple Choice

D

Q 3Q 3

The _______ method of integer representation is the most common method for storing integers in computer memory.
A) sign-and-magnitude
B) one's complement
C) two's complement
D) unsigned integers

Free

Multiple Choice

C

Q 4Q 4

In two's complement addition, if there is a final carry after the left most column addition, _______.
A) add it to the right most column
B) add it to the left most column
C) discard it
D) increase the bit length

Free

Multiple Choice

Q 5Q 5

For an 8-bit allocation, the smallest decimal number that can be represented in two's complement form is _______.
A) 8
B) 127
C) 128
D) 256

Free

Multiple Choice

Q 6Q 6

For an 8-bit allocation, the largest decimal number that can be represented in two's complement form is _______.
A) 8
B) 127
C) 128
D) 256

Free

Multiple Choice

Q 7Q 7

In two's complement representation with a 4-bit allocation, we get _______ when we add 1 to 7.
A) 8
B) 1
C) 7
D) 8

Free

Multiple Choice

Q 8Q 8

In two's complement representation with a 4-bit allocation, we get _______ when we add 5 to 5.
A) 5
B) 6
C) 7
D) 10

Free

Multiple Choice

Q 9Q 9

If the exponent in Excess_127 is binary 10000101, the exponent in decimal is _______.
A) 6
B) 7
C) 8
D) 9

Free

Multiple Choice

Q 10Q 10

If we are adding two numbers, one of which has an exponent value of 7 and the other an exponent value of 9, we need to shift the decimal point of the smaller number _______.
A) one place to the left
B) one place to the right
C) two places to the left
D) two places to the right

Free

Multiple Choice

Q 11Q 11

_______ operator (s) takes two inputs to produce one output.
A) Only AND
B) Only OR
C) Only XOR
D) AND, OR, or XOR

Free

Multiple Choice

Free

Multiple Choice

Q 13Q 13

_______ operator (s), if the input is two 0s, the output is 0.
A) In only AND
B) In only OR
C) In only XOR
D) In AND, OR, or XOR

Free

Multiple Choice

Q 14Q 14

_______ operator (s), if the input is two 1s, the output is 0.
A) In only AND
B) In only OR
C) In only XOR
D) In AND, OR, or XOR

Free

Multiple Choice

Q 15Q 15

For the binary AND operation, only an input of _______ gives an output of 1.
A) two 0s
B) two 1s
C) one 0 and one 1
D) two 2s

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Multiple Choice

Q 16Q 16

For the binary OR operation, only an input of _______ gives an output of 0.
A) two 0s
B) two 1s
C) one 0 and one 1
D) two 2s

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Multiple Choice

Q 17Q 17

We use a bit pattern called a _______ to modify another bit pattern.
A) mask
B) carry
C) float
D) byte

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Multiple Choice

Q 18Q 18

To flip all the bits of a bit pattern, make a mask of all 1s and then _______ the bit pattern and the mask.
A) AND
B) OR
C) XOR
D) NOT

Free

Multiple Choice

Q 19Q 19

To un-set (force to 0) all the bits of a bit pattern, make a mask of all 0s and then _______ the bit pattern and the mask.
A) AND
B) OR
C) XOR
D) NOT

Free

Multiple Choice

Q 20Q 20

To set (force to 1) all the bits of a bit pattern, make a mask of all 1s and then _______ the bit pattern and the mask.
A) AND
B) OR
C) XOR
D) NOT

Free

Multiple Choice