A computer is an electronic device that
manipulates information, or "data" in discrete units and performs
arithmetical and logical operations at a very high speed. It can store, retrieve,
and process data.It processes data
according to a set of instructions.
A computer can be
used to create documents, send emails, and browse the internet. It is used to handle spreadsheets, accounting, database
management, presentations, games, and more. It can be also used as an entertainment
device as you can play movies, hear songs ,play video games and so on. Thus a computer has a lot of applications in
our life.
A Computer consists
of two basic parts:
- Hardware is any part of your computer that has a physical structure, such as monitor,mouse or keyboard.
- Software is the set of instructions that tells the hardware what to do.It tells a hardware how to accomplish each task. Some examples of software are web browsers, games, and word processors such as Microsoft Word.
The first electronic
computer, was the Electronic Numerical Integrator and Computer (ENIAC)
developed in 1946. It took up 1,800 square feet and weighed 30 tons.
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