Question Detail

What is meaning of DMAC ?

  • Dual memory access controller
  • Direct memory access controller
  • Direct memory access computer
  • Direct memory accumulator controller
Similar Questions :

1. __ read the data by reflecting pulses of laser beams on the surface ?

  • Magnetic disk
  • Optical disk
  • Floppy disk
  • ROM

2. Why we need to have secondary storage ?

  • Store large volume of data that exceed the capacity of main memory
  • Perform arithmatic and logical operations
  • To give power to the system too
  • To help processor in processing

3. Which interrupt establishes a priority over the various sources to determine which request should be entertained first ?

  • Polling
  • Daisy chaining
  • Priority interrupt
  • All of above

4. What Mnemonic represents ?

  • Strings
  • Physical Address
  • Operation Address
  • Operation codes

5. The unit which decodes and translates each instruction and generates the necessary enable signals for ALU and other units is called

  • ALU
  • Control Unit
  • CPU
  • Logical Unit
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