What is Computer?
A computer is a machine that can be instructed to perform arithmetic or logical operation sequences automatically via computer programming. Modern computers have the ability to track generalised sets of operations called programmes. These programmes allow computers to perform an extremely wide range of tasks.
Different parts of a computer
Just like our body, a computer is also made up of many parts. These parts work together to perform different functions.
A computer is made up of the following basic parts.
1. Monitor
2. CPU
3. Keyboard
4. Mouse
5. Speakers
Let us understand the functions of computer parts:
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1. A monitor allows you to see what you are doing on the computer.
2. The Monitor looks like a TV screen
3. Thin flat-screen monitors are called “LED” that provides a clear display for the user.
The CPU solves problems and control the operations of all other parts of the computer.
1. The full form of CPU is ‘Central Processing Unit’. It is also called the microprocessor.
2. The CPU is inside the CPU cabinet.
1. A keyboard is used for typing.
2. The keyboard has keys for alphabets, numbers, and signs.
3. Pressing the keys to write something on the computer is called typing.
4. When you type the command, the computer starts working on that command.
1. A mouse is a pointing device and used for pointing and clicking.
2. The Mouse has two buttons and a scrolling wheel between the two buttons.
3. The Mouse has a pointer linked to the screen which moves in the direction the mouse moved.
4. By clicking the buttons on the mouse, you give commands to the computer.
Pointing the mouse – pointing is to move the mouse and bring the mouse pointer where you want to point.
Clicking the mouse – Clicking is to press the left mouse button and release it quickly.
Double-clicking the mouse – Double-clicking is to click twice quickly.
Dragging – Dragging is to hold the mouse button and move the mouse. This action is also called ‘Drag and Drop’.
1. Speakers help you to listen to the sounds(songs) by the computer.
2. Computer speakers are just like stereo speakers.
3. They are usually two in number and come in various sizes.
1. The UPS stands for Uninterrupted Power Supply. We attach a UPS to our computer so that it does not switch OFF suddenly when the electricity goes OFF. The UPS works on batteries.
Download Class 2 Worksheet Pdf on Computer
Computer Worksheet for Class 2
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Tag – what is a computer for class 2; types of computer for class 2; parts of the computer for class 2; uses of computer for class 2; online school; main parts of computer
Good information sir, well done