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Personal Computer

A computer is a device that receives information and manipulates it for some result based on a program or sequence of instructions on how the data is to be processed.

Complex computers includes the mean for storing data for some necessary duration. The data stored can be a program also.

History of Modern Computers

It begins with the Analytical Engine envisioned by Charles Babbage following the mathematical ideas of George Boole.

George Boole was the mathematician who first stated the principles of logic inherent in today’s digital computer.

Ada Lovelace, is said to have introduced the ideas of program loops and subroutines and is sometimes considered the first programmer.

Parts of Personal Computers

The major parts of a personal computer (or PC) include the

  1. Motherboard,
  2. CPU,
  3. Memory (or RAM),
  4. Hard drive, and
  5. Video card.

Personal computers are by far the most common type of computers today but, there are several other types of computers.

A “minicomputer” is a powerful computer that can support many users at once.

A “mainframe” is a large, high-powered computer that can perform billions of calculations from multiple sources at one time.

A “supercomputer” is a machine that can process billions of instructions a second and is used to calculate extremely complex calculations.

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