A computer consists of hardware and software. Hardware refers to the physical parts of a computer like the central processing unit and memory. Software refers to programs and instructions that tell the hardware what to do. There are two main types of software: system software like the operating system, which runs the computer hardware, and application software, which allows users to perform specific tasks. Popular operating systems include Windows and MacOS. Applications, or apps, allow users to perform tasks on desktop computers, laptops, tablets, and smartphones.

1. Introduction to Computer
AL NASIHAH ACADEMY

2. What is a computer

3. Hardware
Hardware is any part
of computer that has
a physical structure.

4. Hardware

5. Software
Software is any set of
instructions that tells
the hardware what to
do.

6. Software

7. Types of software
Two main types of software
 System software or Operating software
 Application software
 Desktop apps or Offline apps
 Web apps or Online apps

8. Operating system
An operating system or
system software is
the most important
software that runs your
computer hardware.

9. Operating system

10. • Many operating systems available in the world
but
• Microsoft Windows is the most popular
operating system for computer systems in the
world.
• It comes in two different versions, a 32 bit
version and a 64 bit version.

12. In computing 32-bit and 64-bit are two
different types of processors.
The home user uses a 32 bit version and the
business user uses the 64 bit version.

13. Steps to check 32 bit and 64 bit in a PC
• Ask your Instructor to check

14. Introduction to an application
An app is a type of software that allows you
to perform specific tasks. Applications for
desktop or laptop computers are called desktop
applications, and for mobile devices are
called mobile apps.

15. Applications

16. Desktop computer

17. Laptop computer

18. Tablet computer

19. System unit case

20. Front of System unit case

21. Back of System unit case

22. Monitor-LCD/LED

23. Keyboard

24. Mouse

25. Mouse alternatives - Touchpad

26. Printer

27. Speakers

28. Camera

29. Power cord

30. CPU/Processor

31. Motherboard

32. Power supply unit

33. RAM (random access memory)

34. Hard drive

35. External hard drive

36. USB(universal serial bus)

37. Smartphones

38. Smartphone
A smartphone is a powerful mobile phone that is
designed to run a variety of applications.
Smartphones are basically small tablet
computers, and they can be used for web
browsing, watching videos, reading e-books,
and playing games.