Computers

Computers:

A computer is a machine. It works very fast. It has the ability to accept data, process it and give useful output. It can help us do many things.

• It can help us do sums like a calculator.
• It can show us movies and cartoons like a TV.
• It can play music like a music player.
• It can also help us play games, draw pictures, and so on.

Types of Computers:

There are many types of computers. Here are some-

Desktop:

• A desktop computer is quite large.
• It cannot be carried around with us.
• It has many separate parts, like the monitor, the keyboard, the mouse, and the CPU box.
• It does not run on its own batteries. We need to connect it to the power supply.

Laptop:

• A laptop is a small computer.
• It can be carried around easily.
• All its parts, like the monitor and the keyboard, are built in.
• It can run on its battery.

Tablet:

• It is very easy to carry around.
• We can use it while holding it in our hands.
• Its touchscreen does the work of a monitor, mouse, and keyboard.
• A tablet runs on its battery.

A Computer Is Different from Us:

There are many things that a computer can do better than us.

• A computer works very fast. We are slower.
• A computer does not make mistakes. We can make mistakes.
• A computer does not get tired like us.
• A computer can remember many things. It never forgets.
• We can think of new things such as a new story. A computer cannot.
• We can learn things ourselves. A computer cannot do this.
• We can decide what to do. A computer cannot decide on its own.