Data Communication

If the parallel ports contains 25 wires then:

  • (A) 25 wires carry data
  • (B) 17 wires will carry data and rest will car control signals
  • (C) 24 wires will carry data and 1 will car control signal
  • (D) 8 wires will carry data and rest will car control signals
Check Answer
  • (D) 8 wires will carry data and rest will car control signals

Telecommunication can be done with computer by using:

  • (A) Modems
  • (B) Telephone lines
  • (C) Telephones and modems
  • (D) Digital Networks
Check Answer
  • (C) Telephones and modems

UPC stands for:

  • (A) Undirected Processing control
  • (B) Universal Processing Code
  • (C) Universal Product Code
  • (D) Unprocessed Primary Code
Check Answer
  • (C) Universal Product Code

A group of parallel wires which provides electrical path between CPU, memory and other devices is called:

  • (A) Processing
  • (B) BUS
  • (C) Input devices
  • (D) Software
Check Answer
  • (B) BUS

If the address bus carries 6 bits at a time the CPU could address:

  • (A) 6 bytes
  • (B) 32 bytes
  • (C) 64 bytes
  • (D) 256 bytes
Check Answer
  • (C) 64 bytes

Data bus is:

  • (A) Bi-directional
  • (B) Unidirectional
  • (C) Multi-directional
  • (D) Not direction specific
Check Answer
  • (A) Bi-directional

The speed with which an instruction is executed is related with: 

  • (A) Control unit
  • (B) Clock speed
  • (C) CPU of Computer
  • (D) ALU
Check Answer
  • (B) Clock speed

Sequential access refers to:

  • (A) An addressable storage
  • (B) Non-addressable storage
  • (C) Direct storage
  • (D) Random storage
Check Answer
  • (B) Non-addressable storage

Direct access storage is:

  • (A) Non-addressable
  • (B) Addressable
  • (C) Reads from the beginning of a file
  • (D) Does not exist in computer system
Check Answer
  • (B) Addressable

The buses in computer organization are:

  • (A) Like the city busses
  • (B) Entirely different concept than city bus
  • (C) Communication media only
  • (D) Internet tools
Check Answer
  • (A) Like the city busses

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