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Computers
Comments
Question
Which is not an operand?
Options
A. Variable
B. Register
C. Memory location
D. Assembler
Correct Answer
Assembler
Computers problems
Search Results
1. Which of the following is not an arithmetic instruction?
Options
A. INC (increment)
B. CMP (compare)
C. DEC (decrement)
D. ROL (rotate left)
Show Answer
Scratch Pad
Discuss
Correct Answer: ROL (rotate left)
2. Which of the following is not a basic element within the microprocessor?
Options
A. Microcontroller
B. Arithmetic logic unit (ALU)
C. Register array
D. Control unit
Show Answer
Scratch Pad
Discuss
Correct Answer: Microcontroller
3. Which is not part of the execution unit (EU)?
Options
A. Arithmetic logic unit (ALU)
B. Clock
C. General registers
D. Flags
Show Answer
Scratch Pad
Discuss
Correct Answer: Clock
4. The first Intel microprocessor to contain on-board cache memory was the ________.
Options
A. 80386
B. 80486
C. Pentium
D. Pentium Pro
Show Answer
Scratch Pad
Discuss
Correct Answer: 80486
5. Which of the following is not an 8086/8088 general-purpose register?
Options
A. Code segment (CS)
B. Data segment (DS)
C. Stack segment (SS)
D. Address segment (AS)
Show Answer
Scratch Pad
Discuss
Correct Answer: Address segment (AS)
6. Which method bypasses the CPU for certain types of data transfer?
Options
A. Software interrupts
B. Interrupt-driven I/O
C. Polled I/O
D. Direct memory access (DMA)
Show Answer
Scratch Pad
Discuss
Correct Answer: Direct memory access (DMA)
7. During a read operation the CPU fetches ________.
Options
A. a program instruction
B. another address
C. data itself
D. all of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: all of the above
8. The Pentium microprocessor has a data bus of ________.
Options
A. 16 bits
B. 32 bits
C. 64 bits
D. 128 bits
Show Answer
Scratch Pad
Discuss
Correct Answer: 64 bits
9. The Pentium can address ________.
Options
A. 1 MB
B. 1 GB
C. 2 GB
D. 4 GB
Show Answer
Scratch Pad
Discuss
Correct Answer: 4 GB
10. A port can be ________.
Options
A. strictly for input
B. strictly for output
C. bidirectional
D. all of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: all of the above
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