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Computer basic knowledge (Computer)

Computer-
We are familiar with computer.It is an electronic device that stores, retrives, and processes data.It can also be used to type documents, send email, play games, and browse the web.Today with the coming of online TVs, computers are also to view programs and movies.
           Every computer is made up of two elements- hardware and software.
Hardware is the collection is the collection of physical parts of a computer system such as computer case, monitor, keybord, etc.
      Whereas computer software is a set of instructions called as programs the intracts with the hardware to perform a task.

Different types of computers-
(1) Desktop computers
(2) Laptop computers
(3) Tablet computrs

Desktop computers- As the name says, desktop computers are designed to be placed on a desk. The desktops are used at work, home, and school.It include a computer case, monitor, keyboard and mouse.

Laptop computers-Commonly known as laptop, these are small, handy and portable battery-powered computers that allow you to operate them anywhere you like.

Tablet computers-Popularly known as tablets, these are handheld devices.They are more handy and portable than laptops.Tablets have touch-senstive screens which are used for typing and navigation. 

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