Y8 Revision Quiz

What is the definition of a computer system?

• A device that only stores data.

• An electronic device that manipulates information, or data.

• A machine that only processes data.

• A device used only for gaming.

Which of the following is an example of a computer system?

• A refrigerator

• A desktop computer

• A washing machine

• A microwave

What does CPU stand for?

• Central Processing Unit

• Central Programming Unit

• Computer Processing Unit

• Central Performance Unit

Which of the following is an example of a CPU?

• Intel Core i7

• Hard disk drive

• USB flash drive

• Smartphone

How is information represented in binary?

• Using only 1 and 2

• Using only 0 and 1

• Using only 0 and 2

• Using only 1 and 3

What is the binary representation of the number 5?

• 100

• 101

• 110

• 111

What is binary addition?

• A process of adding decimal numbers

• A process of adding hexadecimal numbers

• A process of adding binary numbers

• A process of adding octal numbers

What is the result of the binary addition 101 (5) + 010 (2)?

• 110 (6)

• 111 (7)

• 1000 (8)

• 1010 (10)

What are storage devices used for?

• To process data

• To store data

• To delete data

• To transfer data

Which of the following is an example of a storage device?

• CPU

• Monitor

• Hard disk drive

• Keyboard