The computer is an electronic machine that combines the power of a typewriter and a mathematical calculator. More than writing long text and crunching numbers, it can perform tasks that normally requires you to leave your desk, such as sending mail. A computer can perform the following basic tasks:
1. Write a document (letter, article or a book)
2. Play games
3. Run a program (a notepad or a calculator)
4. Search for a previously stored document?
5. Browse the files and folders created using file explorer.
A computer comes in different sizes and shapes. The most common type is the desktop computer, often called the PC, an abbreviation for a Personal Computer. A laptop is also a computer, which is lightweight and can run on battery power. A mobile phones called a smartphone is also capable of running all of the above tasks and and so it is also known as a hand-held computer.
A computer is made up of hardware and software.
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