Hardware is the collection of physical components in a computer. There are inside computer hardwares and outside computer hardwares.Moreover, CPU, HD and RAM are three main parts of a computer.
Software is a part of a computer system. There is Application software, System software and Malicious sofetware. And for system software, there is operating system which contains three most common operating systems, such as Microsoft Windows, Mac OSX, and Linux.

Inside computer hardware

Computer ports

Test Yourself!

Take the quiz to see what you've learn

1. What is the brain of computer?

RAM
CPU
Main board
Hard disk

2. Which one is CORRECT of Hard disk?

It will lose information when the power goes off.
Small size.
All files and programs are stored here.
it doesn't contain your information.

3. What is NOT the type of software?

Application
System
Malware
USB

4. What is NOT ture for operating systems ?

It can manages hardware and software resources.
An operating system is a software.
Microsoft Windows aren't operating systems.
It provides common services for computer programs

5. What is RIGHT of BIOS/POST?

It is a power-on self-test.
It is an operating system.
It is a hardware.
It is a main part of a computer