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. A number system that uses only two digits, 0 and 1 is known as ?

  • Octal number system
  • Hexadecimal system
  • Binary system
  • Decimal system

Answer: Option C

2. Which types of register holds a single vector containing at least two read ports and one write ports ?

  • Data system
  • Vector register
  • Database
  • Memory

Answer: Option B

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

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

Answer: Option C

4. One byte equals to how many bits ?

  • 4 bits
  • 8 bits
  • 12 bits
  • 16 bits

Answer: Option B

5. Which technique helps processor to run a program concurrently with input output operations ?

  • IOP
  • DMA
  • Interrupt driven I/O
  • DCA

Answer: Option C

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