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Question Detail

A keyboard has which type of asynchronous transfer mode ?

  • Serial
  • Parralel
  • Optimal
  • Joint

Answer: Option A

Explanation:

In serial transfer each bit is sent one after the another in a sequence of event and requires just one line.

Similar Questions :

1. In which of the following status flags required for data transfer are present ?

  • Interface Circuit
  • Parallel Line
  • Device Circuit
  • None of Above

Answer: Option A

2. Which exception is also known software interrupt ?

  • Trap
  • Call
  • System Call
  • All of above

Answer: Option C

3. Which determines the address of I/O interface ?

  • Register select
  • Chip select
  • Both of above
  • None of above

Answer: Option C

4. Which among following can be considered as most advanced ROM ?

  • DRAM
  • EEPROM
  • RAM
  • PROM

Answer: Option B

Explanation:

EEPROM means Electrically Erasable Programmable Read-Only Memory.

5. I/O processor has direct access to ?

  • Main Memory
  • Secondary Memory
  • Flash Memory
  • ROM

Answer: Option A

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