Data Communication

The capacity of computer bus depends upon:

  • (A) Capacity of CPU
  • (B) Capacity of the microprocessor
  • (C) The number of data lines it contains
  • (D) The system software
Check Answer
  • (C) The number of data lines it contains

Computer buses areas:

  • (A) Data and control
  • (B) Address and data
  • (C) Address, data and control
  • (D) There is no concept of buses in computer system
Check Answer
  • (C) Address, data and control

A bus with 32 data line can transport how many bits at a time:

  • (A) 8 bits
  • (B) 16 bits
  • (C) 1024 bits
  • (D) 32 bits
Check Answer
  • (D) 32 bits

The control bus can only:

  • (A) Can receive signal from any unit
  • (B) Receive signals from memory
  • (C) Receives signals from CU only
  • (D) Receive signals from data bus
Check Answer
  • (C) Receives signals from CU only

The address bus communicates between:

  • (A) CPU and system software
  • (B) ALU and ROM
  • (C) CPU and memory
  • (D) Sequential and direct memory
Check Answer
  • (C) CPU and memory

The link between I/O devices and system board is provided by:

  • (A) Main memory
  • (B) Secondary memory
  • (C) Port
  • (D) Communication software
Check Answer
  • (C) Port

When port is not available in system board the user should:

  • (A) Design a software program
  • (B) Install another circuit board that include the required port
  • (C) Generate interrupt in the system
  • (D) No way to handle this problem
Check Answer
  • (B) Install another circuit board that include the required port

_______ is a silicon chip which carries out a set of instructions and processes the data efficiently and accurately.

  • (A) RAM
  • (B) Processor
  • (C) Modem
  • (D) Hard disk
Check Answer
  • (B) Processor

The transfer of data from one place to another is called:

  • (A) Data processing
  • (B) Data distribution
  • (C) Data communication
  • (D) Data encryption
Check Answer
  • (C) Data communication

Word 16 bits is:

  • (A) 65536
  • (B) 64526
  • (C) 32526
  • (D) 34526
Check Answer
  • (A) 65536

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