Unit A: Computer and Internet
Basics
1
COMPUTER CONCEPTS
Define Computers
2
 What is the digital revolution and how does it affect
me?

Is an going process of social, political, and economic change
brought about by digital technology, such as computers and
the Internet.
Define Computers
3
 What is a Computer?
 A computer is an Electronic device that accepts input, process
data, stores data, and produces output, based on a series of
instructions in stored programs.
Define Computers
4
 Why would I use computer?
 Web
 Create Documents
 Analyse Numbers
 Edit digital photographs
 Produce Original graphics
 Send and Receive E-mails
Define Computers
5
 Do all computers look alike?
 Computers come in a variety of styles, models, and size
 What is PC stands for?
 Personal Computer
 What is a computer system?
 Computer system includes hardware, peripheral devices, and
software.
Define Computers
6
 What is hardware?
 Refers to the electronic and machanical parts of the computer
 What is the system Unit?
 Is the box that houses the most important parts of a computer
system.
Define Computers
7
 What is a peripheral device?
Is hardware that can be added to a computer system to
expand what a computer can do.
Define Computers
8
 What is software?
 Is a computer program that tells the computer how to perform
tasks.
Define Computers
9
 How do I use a computer?
 To use computer, you must input data or information, by using
input devices.
 What is Input Devices?
 Such as keyboard or mouse, to input information.
 The input device and the computer work together to change
into a series of electronic signals the computer can understand
 What is output Devices?
 Such as monitor, printer, or speakers. As you work, you
continue to input information and to use the output.
Define Computers
10
 What is digitization, and why is it important in my
daily life?

Is the process of converting text, numbers, sound, photos, and
video into data that can be processed by digital devices.