What was one of the first counting devices used by humans?

• Tally stick

• Abacus

• Slide rule

• Calculator

Who is the father of computer?

• Ancient Egyptians around 2500 BC

• Chinese Clinton

• Charles Babbage

• Greeks around 500 BC

What is an input device?

• An input device is a hardware component used to input data into a computer.

• A device that stores data permanently.

• A software program that processes input.

• A component that displays output from a computer.

Name one example of an input device.

• Keyboard

• Scanner

• Mouse

• Printer

What is a keyboard used for?

• A keyboard is used for inputting data and commands into a computer.

• A keyboard is used for displaying images on a screen.

• A keyboard is used for connecting to the internet.

• A keyboard is used for storing data in a database.

What is an output device?

• A device that stores data permanently.

• A hardware component that only inputs data.

• An output device is a hardware component that displays or produces data from a computer.

• A software program that processes information.

Can you name a common output device?

• Scanner

• Monitor

• Printer

• Speaker

What does a printer do?

• A printer scans documents and images.

• A printer sends emails to recipients.

• A printer stores digital files in the cloud.

• A printer produces physical copies of digital documents and images.

What is the main function of a system unit?

• The main function of a system unit is to process data and execute instructions.

• To display graphics on the screen

• To store data permanently

• To connect peripherals to the computer

What does the CPU stand for?

• Central Processing Core

• Centralized Processing Unit

• Central Processing Unit

• Computer Processing Unit