Discussion
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- Question
What is the smallest number of polarities required for current flow?
Options- A. One - a negative terminal
- B. Two - a negative terminal and a positive terminal
- C. Three - negative, positive and neutral terminals
- D. Four - two negative and two positive
- E. None of the above
- Correct Answer
- Two - a negative terminal and a positive terminal
- 1. The model curriculum for information-system education suggested by the _____ has a more theoretical and conceptual basis, whereas the model by the _____ is more practical and applied in nature.
Options- A. AI, ES
- B. KBS, AI
- C. ACM, DPMA
- D. SISD, MMD
- E. None of the above Discuss
- 2. The disadvantages of "Compile and Go" loading scheme is (are):
Options- A. a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
- B. it is necessary to retranslate the user's program deck every time it is run.
- C. it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
- D. all of the above
- E. None of the above Discuss
- 3. Which of the following commands is used to remove files?
Options- A. erase
- B. delete
- C. rm
- D. dm
- E. . None of the above Discuss
- 4. Conversion of binary number 1011102 to an octal number is
Options- A. 358
- B. 468
- C. 568
- D. 508
- E. None of the above Discuss
- 5. Which of the following is not functionally a complete set?
Options- A. AND, OR
- B. NAND
- C. NOR
- D. AND, OR, NOT
- E. None of the above Discuss
- 6. A flip-flop is a _____ element that stores a binary digit as a low or high voltage.
Options- A. chip
- B. bus
- C. I/O
- D. memory
- E. None of the above Discuss
- 7. A sound card typically uses which IRQ?
Options- A. 6
- B. 5
- C. 15
- D. 1
- E. it doesn't use an IRQ Discuss
- 8. Semaphores
Options- A. synchronize critical resources to prevent deadlock
- B. synchronize critical resources to prevent contention
- C. are used to do I/O
- D. are used for memory management
- E. None of the above Discuss
- 9. Which device uses a DMA channel?
Options- A. Modem
- B. Network Card
- C. Sound Card
- D. All of the above
- E. None of the above Discuss
- 10. The most flexibility in how devices are wired together is provided by
Options- A. bus networks
- B. ring networks
- C. star networks
- D. T-switched networks
- E. None of the above Discuss
More questions
Correct Answer: ACM, DPMA
Correct Answer: all of the above
Correct Answer: rm
Correct Answer: 568
Correct Answer: AND, OR
Correct Answer: memory
Correct Answer: 5
Correct Answer: synchronize critical resources to prevent deadlock
Correct Answer: Sound Card
Correct Answer: bus networks
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