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Question
Which of the following is not a jump instruction?
Options
A. JB (jump back)
B. JA (jump above)
C. JO (jump if overflow)
D. JMP (unconditional jump)
Correct Answer
JB (jump back)
Computers problems
Search Results
1. What is occurring when two or more sources of data attempt to use the same bus?
Options
A. Bus contention
B. Direct memory access
C. Bus interruption
D. PPI
Show Answer
Scratch Pad
Discuss
Correct Answer: Bus contention
2. Which of the following is not a computer bus?
Options
A. Data bus
B. Control bus
C. Timer bus
D. Address bus
Show Answer
Scratch Pad
Discuss
Correct Answer: Timer bus
3. Which of the following was not a design improvement for the 8086/8088 over the 8085?
Options
A. Execution unit (EU)
B. 16-bit data bus
C. Arithmetic logic unit (ALU)
D. Bus interface unit (BIU)
Show Answer
Scratch Pad
Discuss
Correct Answer: Arithmetic logic unit (ALU)
4. Which bus is bidirectional?
Options
A. Address bus
B. Control bus
C. Data bus
D. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Data bus
5. The control bus and memories share a bidirectional bus in a typical microprocessor system.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
6. DMA is particularly suited for data transfer between the ________.
Options
A. disk drive and CPU
B. disk drive and RAM
C. disk drive and ROM
D. disk drive and I/O
Show Answer
Scratch Pad
Discuss
Correct Answer: disk drive and RAM
7. 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)
8. The first Intel microprocessor to contain on-board cache memory was the ________.
Options
A. 80386
B. 80486
C. Pentium
D. Pentium Pro
Show Answer
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Discuss
Correct Answer: 80486
9. 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
10. 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
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