Q18. ALE duty is: a- To latch the data bus b- To latch the address bus C- To activate the interrupt signal. d- To reset the CPU. e- None of the above. Q19. Microprocessor cycle is: a- Voltage current cycle. b- Fetch/execute/decode. c- Fetch/decode/execute. d- No fetch cycle. e- None of the above. Q20. CMP instruction works on the principle of: a- Using Zero and Carry Flags. b- Carry Flag only. Zero Flag only. d- Sign Flag. e- None of the above. C- Q21. The difference between data bus and address bus is a) Length. b) Voltage of the signal they carry. c) Current of the signal they carry. d) Direction of the signals they carry. e) No difference. Q22. HOLD is: a) To request the CPU from continuing in its operation b) It is an input pin. c) It happens before the HLDA gets activated. d) It comes from 1/0 device. e) All the above, Q23. 2's complimented byte starts with: a) 1 bit from right. b) 1 bit from left. c) O bit from right. d) O bit from left. e) None of the above. Q24. Subtracting numbers using 2's complement is by: a) Adding the numbers with keeping sign bit. b) Subtracting the numbers as usual. c) Adding the numbers with getting sign bit affected. d) None of the above.
Q18. ALE duty is: a- To latch the data bus b- To latch the address bus C- To activate the interrupt signal. d- To reset the CPU. e- None of the above. Q19. Microprocessor cycle is: a- Voltage current cycle. b- Fetch/execute/decode. c- Fetch/decode/execute. d- No fetch cycle. e- None of the above. Q20. CMP instruction works on the principle of: a- Using Zero and Carry Flags. b- Carry Flag only. Zero Flag only. d- Sign Flag. e- None of the above. C- Q21. The difference between data bus and address bus is a) Length. b) Voltage of the signal they carry. c) Current of the signal they carry. d) Direction of the signals they carry. e) No difference. Q22. HOLD is: a) To request the CPU from continuing in its operation b) It is an input pin. c) It happens before the HLDA gets activated. d) It comes from 1/0 device. e) All the above, Q23. 2's complimented byte starts with: a) 1 bit from right. b) 1 bit from left. c) O bit from right. d) O bit from left. e) None of the above. Q24. Subtracting numbers using 2's complement is by: a) Adding the numbers with keeping sign bit. b) Subtracting the numbers as usual. c) Adding the numbers with getting sign bit affected. d) None of the above.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:All the above.
A:
50 Questions Bank.pdf
Q18. ALE duty is:
a- To latch the data bus
b- To latch the address bus
C- To activate the interrupt signal.
d- To reset the CPU.
e- None of the above.
Q19. Microprocessor cycle is:
a- Voltage current cycle.
b- Fetch/execute/decode.
c- Fetch/decode/execute.
d- No fetch cycle.
e- None of the above.
Q20. CMP instruction works on the principle of:
a- Using Zero and Carry Flags.
b- Carry Flag only.
c- Zero Flag only.
d- Sign Flag.
e- None of the above.
Q21. The difference between data bus and address bus is
a) Length.
b) Voltage of the signal they carry.
c) Current of the signal they carry.
d) Direction of the signals they carry.
e) No difference.
Q22. HOLD is:
a) To request the CPU from continuing in its operation.
b) It is an input pin.
c) It happens before the HLDA gets activated.
d) It comes from I/0 device.
e) All the above.
Q23. 2's complimented byte starts with:
a) 1 bit from right.
b) 1 bit from left.
c) O bit from right.
d) O bit from left.
e) None of the above.
Q24. Subtracting numbers using 2's complement is by:
a) Adding the numbers with keeping sign bit.
b) Subtracting the numbers as usual.
c) Adding the numbers with getting sign bit affected.
d) None of the above.
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