Discussion
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- Question
Job Control Language (JCL) statements are Used to
Options- A. Read the input from the slow-speed card reader to the high-speed magnetic disk
- B. Specify, to the operating system, the beginning and end of a job in a batch
- C. Allocate the CPU to a job
- D. All of the above
- Correct Answer
- Specify, to the operating system, the beginning and end of a job in a batch
- 1. 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
- 2. _____ has become the most widely used bipolar family.
Options- A. DTL
- B. TTL
- C. ECL
- D. MOS
- E. None of the above Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. What command is used to remove jobs from the print queue?
Options- A. lpq
- B. lpr
- C. lprm
- D. lpc
- E. None of the above Discuss
- 8. Which of the following is a universal gate?
Options- A. AND
- B. OR
- C. EX-OR
- D. NAND
- E. None of the above Discuss
- 9. What command is used to copy directory structures in and out?
Options- A. copy
- B. cp - p
- C. cpio
- D. cp
- E. None of the above Discuss
- 10. The EIA-232 interface has _____ pins.
Options- A. 20
- B. 24
- C. 25
- D. 30 Discuss
More questions
Correct Answer: 8
Correct Answer: TTL
Correct Answer: 2
Correct Answer: /s
Correct Answer: tail
Correct Answer: mv
Correct Answer: lprm
Correct Answer: NAND
Correct Answer: cpio
Correct Answer: 25
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