is a set of technologies that help us create information, access information, analyze information and communicate with each other.

USE OF ICT

Text message is also known as

We use mobile phones to make and receive calls and text messages.

We use computers or mobile phones to access the internet:

Businesses can use mobile phones to make and receive text messages (SMS) and calls

They can use computer software to email clients, type letters, and other correspondence, generate invoice and pay staff

They can use the internet to take orders through their website and pay suppliers

They can use social media sites to advertise their products and connect with their customers

Many banks, utility suppliers and government sites give individuals the opportunity to pay their bills and taxes online

With the growth in internet usage, many businesses have e-Commerce sites which allow individuals to buy groceries, clothes, cosmetics, sporting equipment, etc. Practically anything can be bought online today!

is an electronic device that manipulates information, or “data.” It has the ability to store, retrieve and process data.

Types of Computers

large, powerful and expensive computers, often used within large systems and organizations,can be used by more than one user simultaneously.

First PC was made by IBM in 1981, It was originally made for executing a single task by a single user at the time.Today: a single person can execute many tasks simultaneously (multitasking). Apple Macintosh (Mac) is a personal computer made by Apple company,

relatively small computers, easily carried around,consists of LCD display and a small keyboard,do not fall behind PCs by their functions

small computers that can fit into a pocket or user's palm,meant for performing basic personal/business functions: • managing personal or business tasks and assignments, • maintaining the address book, • accessing and browsing the Internet, • sending/receiving e-mails, etc. • PDAs have now been replaced by modern smart phones that combine the features of a • PDA with a mobile phone and camera.

refers to the physical parts of the computer, anything you can touch.refers to the physical parts of the computer, anything you can touch.

Divisions of Computer Hardware

Input device

is any device that outputs information from a computer.

Output Device

is the set of instructions that enables the computer to perform its functions.

Types of Software

is the set of instructions that looks after the internal running of a computer and manages the computer’s resources.

are computer programs that are written to perform a specific task.

Examples of Operating System Software

Examples of Application Software

is any physical device capable of storing information temporarily or permanently.

Two types of Computer Memory

is the main working memory of the computer.

is used to store information that the Central Processing Unit (CPU) needs in order to run the computer. This is where you install application software and save your files.

is any piece of hardware that stores data

The most common type of storage device is a

Examples of Storage Device

It is used to store the computer’s operating system, applications and user’s files.

They are a very popular storage medium. Used to store office documents, music, pictures, etc.

It can store pictures, music and office documents.

Suitable for storing movie files

Allows the users to store file to a specific hard drive on the internet.

Used for digital camera storage

Removable memory card launched by Sony.

Pocket sized plastic card with an embedded microchip. It is used for identification, data storage and application processing.