Discussion
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- Question
During a memory read operation, the CPU fetches ________.
Options- A. a program instruction
- B. an address
- C. data
- D. all of the above
- Correct Answer
- all of the above
- 1. A mini-program that can be used repeatedly, but is programmed only once is called a(n) ________.
Options- A. string
- B. subroutine
- C. interrupt
- D. processor control Discuss
- 2. The ADD, CMP, and MUL instructions are all part of which type of instruction?
Options- A. Data transfer
- B. Arithmetic
- C. Bit manipulation
- D. Loops and jumps Discuss
- 3. The AND, OR, and TEST instructions are all part of which type of instruction?
Options- A. Data transfer
- B. Arithmetic
- C. Bit manipulation
- D. Loops and jumps Discuss
- 4. The MOV, PUSH, and POP instructions are all part of which type of instruction?
Options- A. Data transfer
- B. Arithmetic
- C. Bit manipulation
- D. Loops and jumps Discuss
- 5. An example of a unidirectional bus in a microcomputer system is the ________.
Options- A. address bus
- B. data bus
- C. control bus
- D. all of the above Discuss
- 6. An interrupt method that requires the CPU to test each peripheral device in sequence is called ________.
Options- A. vectored I/O
- B. polled I/O
- C. programmed interrupt
- D. interrupt-driven I/O Discuss
- 7. Instructions that allow direct control of the processor's flags are called ________ instructions.
Options- A. data transfer
- B. arithmetic
- C. bit manipulation
- D. processor control Discuss
- 8. The JNZ, JA, and LOOP instructions are all part of which type of instruction?
Options- A. Data transfer
- B. Arithmetic
- C. Bit manipulation
- D. Loops and jumps Discuss
Computers problems
Search Results
Correct Answer: subroutine
Correct Answer: Arithmetic
Correct Answer: Bit manipulation
Correct Answer: Data transfer
Correct Answer: address bus
Correct Answer: polled I/O
Correct Answer: processor control
Correct Answer: Loops and jumps
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