Introduction to Computera - Discovering Computers Fundamentals - Lecture Slides, Slides of Computer Fundamentals

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Introduction to Computers

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Objectives Overview

Explain why computer

literacy is vital to

success in today's world

Describe the five

components of a

computer

Discuss the advantages

and disadvantages that

users experience when

working with

computers

Discuss the uses of the

Internet and World

Wide Web

Distinguish between

system software and

application software

See Page 1

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A World of Computers

• Computers are everywhere

Pages 2 - 3

Figure 1- 1 docsity.com

What Is a Computer?

• A computer is an electronic device, operating

under the control of instructions stored in its own

memory

Pages 3 - 4

Collects

data

(input)

Processing

Produces

information

(output)

Information Processing Cycle

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The Components of a Computer

• A computer contains many electric, electronic, and

mechanical components known as hardware

Pages 4 - 7

Input Device^ •^ Allows you to enter data and instructions into a computer

Output Device^ •^ Hardware component that conveys information to one or more people

• Case that contains the electronic components of the computer that are used to process data

System Unit

Storage Device^ •^ Holds data, instructions, and information for future use

• Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices

Communications

Device

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