Computer Information

Question 1

What is a computer?

Answer 1

A computer is an electronic device that processes data to produce meaningful information. It can perform input, process, output, and storage functions.

Question 2

What are the main types of computers?

Answer 2

Desktop – A personal computer designed for regular use at a single location.

Laptop – A portable personal computer.

Server – A computer that provides services or resources to other computers over a network.

Supercomputer – A powerful computer used for complex scientific calculations and simulations.

Question 3

What is the IPOS model?

Answer 3

Input – Receiving data (e.g., keyboard, mouse)

Processing – Performing operations on the data (e.g., CPU)

Output – Delivering results (e.g., monitor, printer)

Storage – Saving data for future use (e.g., hard drive, SSD)

Question 4

Give an example of IPOS in action.

Answer 4

Typing a document:

Input: Keyboard inputs text

Processing: CPU processes keystrokes

Output: Text appears on screen

Storage: File is saved to hard disk

Question 5

What is an operating system?

Answer 5

An operating system (OS) is system software that manages hardware and software resources. Example: Windows, macOS, Linux.

Question 6

What is peripheral hardware?

Answer 6

Hardware connected to the computer externally to add functionality. Examples: printers, external hard drives, webcams.