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For Communication: To send emails, make video calls, and chat with friends.
In Business: To help people sell products, manage money, and keep track of work.
For Fun: To play games, watch movies, and listen to music.
In Travel: To use GPS for directions and control systems in airplanes and cars.
For Everyday Tasks: To shop online, manage smart home devices, and stay updated on
news.
Important Features of Computers
Some of the key features of computers are as follows:
Speed: Computers can perform tasks and calculations much faster than humans. This means
you can get work done in a fraction of the time.
Efficiency: You can run several programs at once, allowing you to switch between tasks easily
without slowing down.
Storage: Computers can store a lot of information, including documents, photos, and videos.
Accuracy: Computers do tasks correctly. They follow instructions perfectly if we give them the
right information.
Automation: Once you start a program, computers can follow the steps by themselves.
Diligence: Computers don’t get tired or bored. They can work for a long time without making
mistakes.
Memory: Computers can work with huge amounts of information much faster than we can.
BLOCK DIAGRAM OF COMPUTER
A block diagram is a visual representation of how different parts of a computer are connected.
CPU
Control Unit
Arithmetic
Input Output
Logic Unit
Memory Unit
COMPONENTS OF THE COMPUTER
A computer is made up of two main parts: hardware and software.
Hardware
Hardware includes all the physical parts of a computer that you can see and touch. These
components are also known as hardware devices. These devices are categorised into input,
processing, output and storage devices. Let us learn about them.
12 Information Technology (V5.0)-VI

