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__ is a single control line that informs destination unit that a valid is available on the bus ?

  • Ping
  • Token
  • Handshake
  • Strobe

Answer: Option D

Similar Questions :

1. What is full form of LED ?

  • Low Emitting Diode
  • Light Emitting Diode
  • Light Emitting Data
  • Light Encounter Diode

Answer: Option B

Explanation:

In optical mouse we use pair of LED.

2. What is meaning of PCB ?

  • Process control block
  • Preempitive control block
  • Process close block
  • Process carrying block

Answer: Option A

3. Which among following is an important data transfer technique ?

  • CAD
  • CAM
  • DMA
  • MMA

Answer: Option C

Explanation:

DMA is Direct Memory Access.

4. User programs interact with I/O devices through ?

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A

5. Which technique is used that identifies the highest priority resource by means of software ?

  • Daisy chaining
  • Polling
  • Priority
  • Chaining

Answer: Option B

Read more from - Computer System Architecture Questions Answers
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