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1. When we feed data to a computer, it accepts the data as Input through

different Input devices like Keyboard, Mouse, Scanner, etc.

2. The computer processes this data and changes it into information with the
help of the processor, called the CPU (Central Processing Unit).

3. After processing, the computer shows the final result as an Output through

different Output devices like Monitor, Printer, Speakers, etc.

INPUT Data PROCESS information OUTPUT Monitor

6,6,+ CPU 6+6 Keyboard 12

Characteristics of a Computer

• Speed: A computer works very fast.

• Reliability and Accuracy: A computer performs reliably and does not make

mistakes.

• Versatility: A computer can perform a variety of tasks efficiently.

• Storage: A computer can store a large amount of data for future use.

• Multitasking: A computer can do many tasks at the same time.

• Diligence: A computer can work for a long time without getting tired.

Uses of a Computer

• Creating documents

• Playing games

• Performing calculations

• Buying and selling things online The fastest supercomputers today

• Learning new things can perform over 1 quintillion

• Listening to music (1,000,000,000,000,000,000)
calculations per second.
• Watching movies and cartoons

Compcare

Keep the computer in a safe place, away from
water and heat.

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