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- Question
While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?
Options- A. COPY A: *.TXT
- B. COPY *.TXT A:
- C. COPY *.TXT C:
- D. COPY *.TXT ALL.TXT
- E. None of the above
- Correct Answer
- COPY *.TXT A:
- 1. Routers are often used to implement FIREWALLS
Options- A. True
- B. False Discuss
- 2. What is the i/o address for com2?
Options- A. 2vb
- B. 2f8
- C. 8f8
- D. 330 Discuss
- 3. "Parity" errors usually indicate bad memory.
Options- A. True
- B. False Discuss
- 4. 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
- 5. 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
- 6. _____ has become the most widely used bipolar family.
Options- A. DTL
- B. TTL
- C. ECL
- D. MOS
- E. None of the above Discuss
- 7. 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
- 8. 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
- 9. 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
- 10. Which of the following command can be used to rename a file in UNIX?
Options- A. ren
- B. mv
- C. remove
- D. change
- E. None of the above Discuss
More questions
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
Correct Answer: mv
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