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- Question
Eight stations are competing for the use of the shared channel using the modified Adaptive free walk protocol by Gallager. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
Options- A. 1 slots
- B. 5 slots
- C. 10 slots
- D. 14 slots
- Correct Answer
- 5 slots
- 1. The tracks on a disk which can be accessed without repositioning the R/W heads is
Options- A. Surface
- B. Cylinder
- C. Cluster
- D. All of the above
- E. None of the above Discuss
- 2. Which command is used to link the files?
Options- A. lk
- B. ln
- C. cp
- D. tar
- E. None of the above Discuss
- 3. What sign is used to back up over typing errors in vi?
Options- A. !
- B. $
- C. #
- D. @
- E. None of the above Discuss
- 4. How many extended partitions can exist on one drive?
Options- A. 16
- B. 4
- C. 2
- D. 1
- E. None of the above Discuss
- 5. What command is used to compare the files?
Options- A. ccp
- B. du
- C. cmp
- D. comp
- E. None of the above Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. Before sending data, a modem sends a request to send signal, or RTS.
Options- A. True
- B. False Discuss
More questions
Correct Answer: Cylinder
Correct Answer: ln
Correct Answer: #
Correct Answer: 1
Correct Answer: cmp
Correct Answer: I/O card
Correct Answer: system flowchart
Correct Answer: nibble
Correct Answer: NOR
Correct Answer: True
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