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Which system was used extensively by early mini computers ?

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

Answer: Option D

Explanation:

Note : Please note that question is asked about early mini computers.

Similar Questions :

1. ____ processor has to check continuously till device becomes ready for transferring the data ?

  • DMA
  • Interrupt-initiated I/O
  • IOP
  • DCP

Answer: Option B

2. 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.

3. Which system has a base or radix of 10 ?

  • Binary
  • Octal
  • Hexadecimal
  • Decimal

Answer: Option D

4. 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.

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

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

Answer: Option C

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