Advanced Computer Architecture MCQs with Answers
Practice important Advanced Computer Architecture MCQs with answers and explanations.
Multiple Choice Questions
Q571: Which type of transfer between CPU and I/O devices involves sending bits one by one?
- A: Serial
- B: Parallel
- C: Half-duplex
- D: Full-duplex
View Answer
A
Q572: Which signal is activated to latch incoming data during an asynchronous transfer?
- A: Enable
- B: Ready
- C: Acknowledge
- D: Complete
View Answer
C
Q573: In serial communication, what is used to synchronize transmission in synchronous mode?
- A: Sync characters
- B: Start bits
- C: Stop bits
- D: Parity bits
View Answer
A
Q574: What is the purpose of an I/O port?
- A: To manage input/output data
- B: To connect I/O devices to the computer bus
- C: To act as a CPU cache
- D: To store addresses
View Answer
B
Q575: Which bus is used to connect the CPU to I/O devices indirectly?
- A: Data bus
- B: Peripheral bus
- C: Address bus
- D: Memory bus
View Answer
B
Q576: In an I/O read cycle, what does the CPU expect from the selected input device?
- A: Data
- B: Control signals
- C: Address
- D: Voltage
View Answer
A
Q577: What must be matched in I/O port design to ensure proper communication with the CPU?
- A: Voltage and frequency
- B: Voltage and current
- C: Logic levels and timing
- D: Data size
View Answer
C
Q578: What are the two main functions built into I/O ports?
- A: Address decoding and data capturing
- B: Data transfer and voltage regulation
- C: Memory allocation and data isolation
- D: CPU control and power management
View Answer
A
Q579: What is the function of an address decoder in an I/O port?
- A: To generate an address for the CPU
- B: To decode system bus data
- C: To ensure each port has a unique address
- D: To store data in registers
View Answer
C
Q580: What type of logic circuit is used for address decoding?
- A: Sequential logic
- B: Combinational logic
- C: Arithmetic logic
- D: Memory circuit
View Answer
B