Introduction to Computers, the Internet and the Web


Computers: Hardware and Software


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Computer and internet

 Computers: Hardware and Software

  • Computers process data under the control of sets of instructions called computer programs
  • These programs guide the computer through orderly sets of actions specified by people called computer programmers.
  • A computer consists of various devices referred to as hardware (e.g., the keyboard, screen, mouse, hard disk, memory, DVDs and processing units).
  • The programs that run on a computer are referred to as software.
  • Hardware costs have been declining dramatically in recent years, to the point that personal computers have become a commodity.

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