Advanced Computer Architecture MCQs with Answers
Practice important Advanced Computer Architecture MCQs with answers and explanations.
Multiple Choice Questions
Q581: What does the output of the SAD (Skeleton Address Decoder) depend on?
- A: The correct address and control signals
- B: The voltage and current levels
- C: The timing of the system clock
- D: The data bus width
View Answer
A
Q582: How are input ports isolated from the data bus when not in use?
- A: Using resistors
- B: Using capacitors
- C: Using tri-state buffers
- D: Using latches
View Answer
C
Q583: In a typical I/O bus cycle, what does the CPU place on the address bus?
- A: Control signals
- B: Data
- C: An address
- D: Timing signals
View Answer
C
Q584: What does a latch do in the output port design?
- A: Holds data temporarily
- B: Amplifies the signal
- C: Decodes the address
- D: Isolates input data
View Answer
A
Q585: How many inputs does an address decoder have if it uses 8 address lines and 1 control line?
- A: 7
- B: 8
- C: 9
- D: 10
View Answer
C
Q586: What does the NUXI problem refer to?
- A: A mismatch in voltage levels
- B: Data transmission errors in big-endian and little-endian systems
- C: Incorrect timing signals
- D: A bus contention issue
View Answer
B
Q587: Which format causes the NUXI problem?
- A: Little-endian
- B: Big-endian
- C: Serial format
- D: Parallel format
View Answer
B
Q588: Fill in the blank: The address decoder output is only active when the correct ______ and control signals are present.
- A: voltage
- B: address
- C: timing
- D: data
View Answer
B
Q589: Fill in the blank: Latches are used to capture data from the ______ during an I/O write cycle.
- A: control bus
- B: address bus
- C: data bus
- D: timing signals
View Answer
C
Q590: Fill in the blank: In the FALCON-A CPU, 16-bit output ports use two 8-bit ______ to capture data.
- A: decoders
- B: buffers
- C: registers
- D: latches
View Answer
C