about computer

A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.

I need some advice on which computer to buy.
When you buy a new computer, you usually get software included at no extra cost .
Modern computers can hold huge amounts of information.

They've just launched a new generation of computers that are much more powerful than earlier models.
The keyboard plugs in at the back of the computer.

a desktop/personal computer
a computer program
computer hardware/software