Advanced Computer Architecture MCQs with Answers
Practice important Advanced Computer Architecture MCQs with answers and explanations.
Multiple Choice Questions
Q811: The IEEE floating-point standard defines how many bits for the exponent in double precision?
- A: 8 bits
- B: 11 bits
- C: 23 bits
- D: 52 bits
View Answer
B
Q812: Floating-point overflow occurs when:
- A: The significand is too large
- B: The exponent is too large
- C: The fraction is too small
- D: The sign is incorrect
View Answer
B
Q813: The first step in floating-point addition is to:
- A: Normalize the sum
- B: Shift the significand
- C: Unpack sign, exponent, and fraction fields
- D: Perform addition
View Answer
C
Q814: The significance of the number in floating-point representation is called:
- A: Significand
- B: Mantissa
- C: Exponent
- D: Both A and B
View Answer
D
Q815: Fill in the blank: The two possibilities for a word in a logarithmic barrel shifter are to ______ or ______.
- A: Shift, pass
- B: Add, multiply
- C: Bypass, shift
- D: Subtract, divide
View Answer
C
Q816: What is the output of the ALU based on?
- A: Control unit signals
- B: User input
- C: Random values
- D: Constant values
View Answer
A
Q817: Fill in the blank: In a normalized floating-point number, the left-most digit must be ______.
- A: Zero
- B: One
- C: Both
- D: Undefined
View Answer
B
Q818: Fill in the blank: In floating-point division, after unpacking the sign, exponent, and significands, the next step is to apply ______.
- A: Addition
- B: Subtraction
- C: Exclusive-or operation
- D: Rounding
View Answer
C
Q819: Which operation is performed first in floating-point division?
- A: Normalize the result
- B: Unpack sign, exponent, and significands
- C: Check for overflow
- D: Pack the result
View Answer
B
Q820: Fill in the blank: The significand in a floating-point number is also called ______.
- A: Mantissa
- B: Exponent
- C: Base
- D: Fraction
View Answer
A