Advanced Computer Architecture MCQs with Answers
Practice important Advanced Computer Architecture MCQs with answers and explanations.
Multiple Choice Questions
Q801: Overflow occurs when the sum of two m-bit numbers exceeds _______.
- A: m-bit capacity
- B: 8-bit capacity
- C: 16-bit capacity
- D: 32-bit capacity
View Answer
A
Q802: A Carry Lookahead Adder uses _______ to reduce propagation delay.
- A: Full adders
- B: Condition codes
- C: Two logical variables
- D: Gates
View Answer
A
Q803: Fill in the blank: A ____________ is built using a mux to select the second adder input in 2's Complement addition.
- A: Combined Adder/Subtractor
- B: Single Adder
- C: Complex Adder
- D: Two's Adder
View Answer
A
Q804: Fill in the blank: The complexity of a Carry Lookahead Adder is ____________ compared to a Ripple Carry Adder.
- A: log(m)
- B: m
- C: m*n
- D: m^2
View Answer
A
Q805: What does the NxN crossbar design for a barrel rotator require?
- A: N2 gates
- B: N3 gates
- C: N4 gates
- D: N5 gates
View Answer
A
Q806: In a barrel shifter, what does the term "bypass" refer to?
- A: Shifting the input word
- B: Passing the input word without shifting
- C: Storing the input word
- D: None of the above
View Answer
B
Q807: The ALU in computer architecture stands for:
- A: Arithmetic Logic Unit
- B: Automatic Logic Unit
- C: Arithmetic Linear Unit
- D: Auxiliary Logic Unit
View Answer
A
Q808: Floating-point representation uses which type of numbers to encode significant values?
- A: Decimal
- B: Hexadecimal
- C: Binary
- D: Octal
View Answer
C
Q809: What is the bias used in the IEEE Single-Precision Binary Floating Point Representation?
- A: 127
- B: 128
- C: 255
- D: 1023
View Answer
A
Q810: A normalized floating-point number must have a significand whose left-most digit is:
- A: Zero
- B: Non-zero
- C: Both zero and non-zero
- D: Undefined
View Answer
B