Arithmetic and Logic Operations MCQs

Arithmetic operations in a CPU typically involve which component?
A) Control Unit
B) ALU
C) Cache
D) Memory Management Unit
Answer: B

The result of 7 mod 3 is:
A) 1
B) 2
C) 3
D) 0
Answer: A

The AND operation between two bits 1 and 0 results in:
A) 0
B) 1
C) 2
D) Undefined
Answer: A

Which of the following is not an arithmetic operation?
A) Addition
B) Subtraction
C) Multiplication
D) OR
Answer: D

The XOR operation between two bits that are the same will always result in:
A) 1
B) 0
C) The same bit value
D) Undefined
Answer: B

In binary addition, what is the result of adding 1 and 1?
A) 10
B) 0
C) 11
D) 1
Answer: A

What does the OR operation produce when both input bits are 0?
A) 1
B) 0
C) 2
D) Undefined
Answer: B

The ALU performs which of the following types of operations?
A) Data storage
B) Arithmetic and logic
C) Instruction decoding
D) I/O processing
Answer: B

What is the result of the binary operation 1101 AND 1011?
A) 1001
B) 1100
C) 1110
D) 1010
Answer: A

What is the result of the binary OR operation 1010 OR 0110?
A) 1110
B) 1000
C) 1101
D) 0101
Answer: A

Which operation produces a 1 only when both inputs are 1?
A) OR
B) XOR
C) AND
D) NOT
Answer: C

What is the result of 6 XOR 3 in binary (110 XOR 011)?
A) 111
B) 101
C) 011
D) 100
Answer: B

In two’s complement representation, what is the binary representation of -5 in an 8-bit system?
A) 11111011
B) 00000101
C) 11111111
D) 11110000
Answer: A

The result of 5 mod 2 is:
A) 2
B) 1
C) 0
D) 3
Answer: B

In binary subtraction, what is the result of 1101 – 1000?
A) 0101
B) 0011
C) 0110
D) 1001
Answer: B

Which of the following logic gates produces an output of 1 when at least one input is 1?
A) AND
B) XOR
C) NOR
D) OR
Answer: D

The NOT operation applied to a 0 results in:
A) 0
B) 1
C) 2
D) Undefined
Answer: B

The two’s complement of 7 in binary (in an 8-bit system) is:
A) 11111001
B) 10000000
C) 11111111
D) 00000111
Answer: A

The result of 15 divided by 4 in integer division is:
A) 3
B) 3.75
C) 4
D) 2
Answer: A

Which operation is used to reverse the bits of a binary number?
A) AND
B) OR
C) XOR
D) NOT
Answer: D

In the binary system, what is the result of multiplying 101 by 11?
A) 1111
B) 10011
C) 111
D) 1101
Answer: B

Which arithmetic operation is the inverse of multiplication?
A) Subtraction
B) Division
C) Modulus
D) XOR
Answer: B

The operation 10 % 3 (modulus) results in:
A) 0
B) 3
C) 1
D) 2
Answer: D

Which of the following is true for the OR operation?
A) Produces 1 if both inputs are 0
B) Produces 0 if both inputs are 1
C) Produces 1 if at least one input is 1
D) Produces 0 if at least one input is 0
Answer: C

The XOR operation between 1010 and 1100 results in:
A) 0110
B) 1011
C) 0101
D) 1001
Answer: A

In binary, what is the result of subtracting 1001 – 0110?
A) 0011
B) 1011
C) 1111
D) 0001
Answer: A

The logic gate that produces a 1 output only when both inputs are 0 is the:
A) AND gate
B) XOR gate
C) OR gate
D) NOR gate
Answer: D

The operation 100 AND 011 results in:
A) 001
B) 111
C) 101
D) 010
Answer: A

In the binary system, 1101 shifted left by 1 position results in:
A) 0110
B) 11010
C) 1011
D) 1110
Answer: B

The sum of 1011 and 0111 in binary is:
A) 0010
B) 10010
C) 1111
D) 10100
Answer: B

The NOR operation between two bits produces a 1 only if:
A) Both inputs are 0
B) Both inputs are 1
C) One input is 1
D) One input is 0
Answer: A

The modulus operation gives the:
A) Quotient of the division
B) Product of two numbers
C) Remainder after division
D) Sum of two numbers
Answer: C

Which binary operation is commonly used in cryptographic algorithms?
A) AND
B) OR
C) XOR
D) NOT
Answer: C

What is the binary equivalent of decimal 15 divided by 3?
A) 0001
B) 0101
C) 0011
D) 1000
Answer: C

Which logic gate gives a 1 output only when one input is 1 and the other is 0?
A) OR
B) XOR
C) AND
D) NOR
Answer: B

In binary, 1001 divided by 11 results in:
A) 0011
B) 1100
C) 1111
D) 1101
Answer: A

The two’s complement of -3 in an 8-bit binary system is:
A) 11111101
B) 11111100
C) 11111011
D) 11111001
Answer: C

What is the result of shifting 1010 to the right by 2 positions?
A) 0101
B) 0010
C) 1110
D) 1101
Answer: B

The ALU performs logical operations like:
A) Addition and subtraction
B) Multiplication and division
C) AND, OR, and XOR
D) Memory read/write operations
Answer: C

Which of the following logic gates is known as a universal gate?
A) AND
B) OR
C) XOR
D) NAND
Answer: D

The result of 1000 mod 4 in binary is:
A) 0010
B) 0000
C) 1001
D) 0100
Answer: B

The ALU in a modern processor typically handles operations on:
A) Floating-point numbers only
B) Integers only
C) Both integers and floating-point numbers
D) Memory addresses
Answer: C

Which of the following is the correct result of multiplying binary numbers 101 and 11?
A) 1110
B) 1101
C) 10001
D) 1011
Answer: C

In an 8-bit system, what is the result of adding 10101010 and 01010101?
A) 11111111
B) 10101010
C) 11011011
D) 00000000
Answer: A

The result of 1101 XOR 1011 in binary is:
A) 0010
B) 1111
C) 1010
D) 0100
Answer: A

What does the binary operation 110 AND 011 result in?
A) 010
B) 100
C) 001
D) 111
Answer: A

The two’s complement of -7 in an 8-bit system is:
A) 11111001
B) 11111111
C) 11111000
D) 11111010
Answer: A

Arithmetic and Logic Operations MCQs
By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 20, 2024

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