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Introduction to computers by Mind Map: Introduction  to computers
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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

-Define the term computer, and describe the between data and information.

Describe the five components of a computer.

-Discuss the advantages that users experience when working with computer.

-Define the term network, and identify benefits of sharing resources on a network.

-Discuss the uses of the internet and world wide web.

Distinguish between system software and application software.

Differentiate among types, sizes, and function of computer in the each category.

What is a Computer?

- A computer is an electronic device, operating under the control of instructions stored in it’s own memory.

A world of computer

-Computers are everywhere.

Advantages and disadvantages of Using Computers

-Advantages of Using Computers

• Spee

• Reliability

• Consistency

• Storage

• Communications

-Disadvantages of Using Computers

• Health Risks

• Violation of Privacy

• Public Safety

• Impact on Labor force

• Impact on Environment

The Components of a Computer

Input Device

• Allows you to enter data and instructions into a computer.

Output Device

• Hardware component that conveys information to one or more people.

System Unit

• Case that contain the electronic component of the computer that are used to process data.

Storage Device

• Holds data, Instructions, and formation for future use.

Communications Device

• Enables a computer to send and receive data instruction to and from one or more computer or mobile devices.

Networks and the Internet

- A network is a collection of computers and device connected together, often wirelessly , via communications device and transmission media.

- The internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational instructions, and individuals.

-People use the Internet for a variety of reasons

Communicate

Research and Access Information

Shop

Bank and Invest

Online Trading

Entertainment

Download Music

Share Videos

Web Application

Advantages and Disadvantages of Using Computer

- Green computing involves reducing the electricity consumed and environmental waste generated when using a computer.

- Strategies Include

• Recycling

• Regulating manufacturing processes

• Extending the life of computers

• Immediately donating or properly disposing of replaced computers

Computer Software

- Software, also called a program, tells the computer what tasks to perform and how to perform them.

- Installing is the process of setting up software to work with the computer, printer, and other hardware.

Personal Computers

- A personal computer can perform all of It’s input, processing, output, and storage activities by itself.

- Two popular architectures are the PC and the Apple.

• Desktop computer

Mobile Computers and Mobile Devices

- Notebook computer

- Tablet PC

- Smart phone

- PDA

- Handheld computer

- Portable media player

- Digital camera

Game Consoles

- A game console is a mobile computing device designed for single-player or multiplayer video games

Supercomputers

- A supercomputer is the fastest, most powerful computer

Elements of an Information System

- Hardware

- Software

- Data

- People

- Procedures

Computer Applications in Society

- Education

- Finance

- Government

- Health Care

- Science

- Publishing

- Travel

- Manufacturing

Summary

- Basic computer concepts

- Components of a computer

- Networks, the internet and computer software

- Many different categories of computers, computer users, and computer applications in society