Advanced Computer Architecture MCQs with Answers
Practice important Advanced Computer Architecture MCQs with answers and explanations.
Multiple Choice Questions
Q541: In I/O subsystems, the terms "input" and "output" are used from the perspective of which component?
- A: Memory
- B: CPU
- C: Peripheral Device
- D: Disk Drive
View Answer
B
Q542: What additional signals are needed for asynchronous I/O transfers?
- A: Clock signals
- B: Handshaking signals
- C: Data transfer signals
- D: Control signals
View Answer
B
Q543: Which of the following devices is an example of a peripheral in an I/O subsystem?
- A: Processor
- B: Memory
- C: Keyboard
- D: Cache Memory
View Answer
C
Q544: In I/O subsystems, data transferred may carry more noise, increasing the need for ________.
- A: Faster CPUs
- B: Error detection and correction
- C: More memory
- D: Asynchronous clocks
View Answer
B
Q545: What type of I/O interface is used to map peripheral devices in the address space used for memory?
- A: Memory-mapped I/O
- B: Isolated I/O
- C: Shared I/O
- D: Buffered I/O
View Answer
A
Q546: Which device is connected to the CPU through the system bus in an I/O subsystem?
- A: Monitor
- B: CPU
- C: Cache Memory
- D: Address Bus
View Answer
A
Q547: What is the role of I/O decoding logic in I/O subsystems?
- A: Decode CPU instructions
- B: Map devices to specific addresses
- C: Buffer control signals
- D: Monitor I/O devices
View Answer
B
Q548: In I/O subsystems, if a device like a printer runs out of paper, the CPU should ________.
- A: Continue sending data
- B: Wait for the paper to be supplied
- C: Ignore the error
- D: Reset the printer
View Answer
B
Q549: Which I/O subsystem component temporarily holds control and data to and from the computer bus?
- A: I/O buffer
- B: CPU
- C: Address decoder
- D: I/O decoder
View Answer
A
Q550: What is the main purpose of device drivers in I/O subsystems?
- A: Buffering data transfers
- B: Managing asynchronous signals
- C: Facilitating communication between CPU and I/O devices
- D: Reducing noise in data transmission
View Answer
C