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- Question
Which command is used to display the top of the file?
Options- A. cat
- B. head
- C. more
- D. grep
- E. None of the above
- Correct Answer
- head
ExplanationThe head command displays the first few lines at the top of a file. It can be useful when you want a quick peek at a large file, as an alternative to opening the file. - 1. What command is used to compare the files?
Options- A. ccp
- B. du
- C. cmp
- D. comp
- E. None of the above Discuss
- 2. What type of FRU is a SCSI host adapter?
Options- A. CPU
- B. I/O card
- C. video card
- D. hard drive
- E. None of the above Discuss
- 3. The "big picture" diagram of a system is the
Options- A. block diagram
- B. logic diagram
- C. system flowchart
- D. program flowchart
- E. None of the above Discuss
- 4. Binary-Coded-decimal (BCD) numbers express each digit as a _____
Options- A. byte
- B. nibble
- C. bit
- D. All of the above
- E. None of the above Discuss
- 5. What logic function is obtained by adding an inverter to the inputs of an AND gate?
Options- A. OR
- B. NAND
- C. XOR
- D. NOR
- E. None of the above Discuss
- 6. Before sending data, a modem sends a request to send signal, or RTS.
Options- A. True
- B. False Discuss
- 7. When measuring AC (Alternating Current) with a multimeter, it is important to maintain the proper polarity.
Options- A. True
- B. False Discuss
- 8. A common way to take x, y coordinates off a drawing is to use a
Options- A. light pen
- B. digitiser
- C. Direct view storage tube (DVST)
- D. Tablet
- E. None of the above Discuss
- 9. On a class B network, how many hosts are available at each site with a subnet mask of 248?
Options- A. 16,382
- B. 8,190
- C. 4,094
- D. 2,046
- E. 1,022 Discuss
- 10. A turnkey package includes
Options- A. software
- B. hardware
- C. training
- D. All of the above
- E. None of the above Discuss
More questions
Correct Answer: cmp
Correct Answer: I/O card
Correct Answer: system flowchart
Correct Answer: nibble
Correct Answer: NOR
Correct Answer: True
Correct Answer: False
Correct Answer: digitiser
Correct Answer: 2,046
Correct Answer: All of the above
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