Computers and Their Uses

Front

What are the five basic principles that all computers operate on?

Back

Input, processing, storage, output, and communication.

Front

What is the role of the CPU in a computer?

Back

The CPU processes binary code and performs calculations to display data in a user-friendly way.

Front

What is the purpose of input devices?

Back

Input devices allow users to enter data into the computer, such as keyboards and microphones.

Front

How does storage work in a computer?

Back

Data is first written to temporary storage (RAM) and can be moved to permanent storage (disk drive) upon user command.

Front

What is the output stage in a computer's information processing cycle?

Back

Output is where the computer displays processed data in a usable format, such as on screens or printers.

Front

List some benefits of using computers in daily life.

Back

1. Improve productivity 2. Assist in scientific research 3. Help in design and construction 4. Open opportunities for people in poor countries.

Front

How do computers save time for users?

Back

By enabling online shopping, banking, and quick access to information.

Front

What is e-waste?

Back

E-waste refers to discarded electronic devices that can contain toxic materials and contribute to environmental pollution.

Front

What is green computing?

Back

Green computing involves designing, using, and disposing of computers in an environmentally friendly way.

Front

What are social networks?

Back

Social networks are platforms that allow users to share personal information and interact with each other online.