Introduction to ComputerAL NASIHAH ACADEMY

What is a computer

Hardware

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

Hardware

Software

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

Software

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

Operating system

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

Operating system

• 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.

http://s3.amazonaws.com/digitaltrends-uploads-prod/2014/01/32-or-64-bit.jpg

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.

Steps to check 32 bit and 64 bit in a PC

• Ask your Instructor to check

Introduction to an applicationAn 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.

Applications

Desktop computer

Laptop computer

Tablet computer

System unit case

Front of System unit case

Back of System unit case

Monitor-LCD/LED

Keyboard

Mouse

Mouse alternatives - Touchpad

Printer

Speakers

Camera

Power cord

CPU/Processor

Motherboard

Power supply unit

RAM (random access memory)

Hard drive

External hard drive

USB(universal serial bus)

Smartphones

SmartphoneA 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.