Discussion
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- Question
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
Options- A. Interface
- B. Modem
- C. Attenuation
- D. Teleprocessor
- E. None of the above
- Correct Answer
- Modem
- 1. Which option will be used with touch command to change the access time?
Options- A. -a
- B. -b
- C. -t
- D. -h
- E. None of the above Discuss
- 2. Routers are often used to implement FIREWALLS
Options- A. True
- B. False Discuss
- 3. What is the i/o address for com2?
Options- A. 2vb
- B. 2f8
- C. 8f8
- D. 330 Discuss
- 4. "Parity" errors usually indicate bad memory.
Options- A. True
- B. False Discuss
- 5. On the 16-bit ISA bus, IRQ2 is elevated to which higher level interrupt?
Options- A. 9
- B. 11
- C. 13
- D. 15
- E. None of the above Discuss
- 6. How many DMA channels are there in an AT class PC?
Options- A. 3
- B. 4
- C. 7
- D. 8
- E. None of the above Discuss
- 7. _____ has become the most widely used bipolar family.
Options- A. DTL
- B. TTL
- C. ECL
- D. MOS
- E. None of the above Discuss
- 8. How many bytes are there in 1011 1001 0110 1110 numbers?
Options- A. 1
- B. 2
- C. 4
- D. 8
- E. None of the above Discuss
- 9. What switch would you use to view Smartdrive statistics?
Options- A. /x
- B. /e:
- C. /s
- D. /o:n
- E. None of the above Discuss
- 10. Which of the following command lists the last 10 lines of a file?
Options- A. grep
- B. tail
- C. head
- D. cat
- E. None of the above Discuss
More questions
Correct Answer: -a
Correct Answer: True
Correct Answer: 2f8
Correct Answer: True
Correct Answer: 9
Correct Answer: 8
Correct Answer: TTL
Correct Answer: 2
Correct Answer: /s
Correct Answer: tail
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