Discovering Computers - Chapter 1: Introduction to Computers

Discovering Computers - Chapter 1: Introduction to Computers Recognize the importance of computer literacy; Define the term, computerDefine the term, computer; Identify the components of a computer; Discuss the advantages and advantages of using computers.

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Recognize the purpose of a network

Discuss the uses of the Internet and

World Wide Web

Distinguish between system software

and application software Describe the categories of computers

Identify the elements of

an information system

Describe the various types

of computer users Discuss various computer applications in society

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A World of Computers

What is computer literacy?

> Knowledge and understanding

of computers and their uses

> Computers are everywhere

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What Is a Computer?

Electronic device operating under the control of instructions stored in its own memory

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The Components of a Computer

What is an input device? <a

to enter data and instructions

Click to view Web Link,

click Chapter 1, Click Web Link

from left navigation,

then click Input Devices

below Chapter 1

p 7 Fig 1-3

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What is an output device?

> Hardware that

conveys information

to one or more people

then click Output Devices

below Chapter 1

p 8 Fig 1-3

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components

used to process data

p 8 Fig 1-3

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What Is storage media?

Handheld

computers

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What is a floppy disk?

> Thin, circular,

flexible disk enclosed in rigid plastic shell

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What is a USB flash drive?

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What is a hard disk?

> Provides greater storage

capacity than a floppy disk, Zip disk, or USB flash drive

Most are housed inside

of the system unit

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What is a compact disc?

> Flat, round, portable metal disc

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then click Communications

Devices below Chapter 1

p.9

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Reliability Consistency

=

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Advantages and Disadvantages

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Networks and the Internet

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What are the reasons to network?

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What is a Server?

> Aserver manages

the resources on a network

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What is the Internet?

> Worldwide collection of networks that connects

millions of businesses, government agencies,

educational institutions, and individuals

_

then click Internet

below Chapter 1

p 12 Fig 1-7

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Why do users access the Internet?

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What is the Web?

> Billions of documents, called Web pages, available to

anyone connected to the Internet

a collection of related Web pages

text, graphics, sound, You can share

video, and links to information by

Teo teks creating Web pages

or posting photos on

a

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then click Computer Programs

below Chapter 1

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Computer Software

What is system software?

> Programs that control or maintain the operations of

the computer and its devices

Operating System (OS)

Utility Programs

p 15-16

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Computer Software

What is application software?

> Programs that perform

Specific tasks for users

then click Application Software

below Chapter 1

p 16 Fig 1-11

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Computer Software

How do you install and run programs?

Step 1: INSTALL

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Computer Software

What is a programmer?

> Someone who develops

application or system software

= Programmer writes

instructions to direct computer to process data into information strideaccountingservice htm

This Month's

Newsletter Features

Important Tax Law Changes

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Supercomputers

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Personal Computers

What are the two most popular series of persona!

computers?

(Mac OS)

click Chapter 1, Click

Web Link from left

navigation, then click Personal

Computers below Chapter 1

p 19 Figs 1-15—1-16

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Personal Computers

What is a desktop computer?

> Designed so all of the components fit entirely on

or under a desk or table

p 19-20 Fig, 1-15

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Mobile Computers and Mobile Devices

What is a notebook computer?

> Portable, small enough

to fit on your lap

> Also called a laptop

computer

> Generally more

expensive than a desktop

Web Link from left

navigation, then click Notebook

Computers below Chapter 1

p 20 Fig 1-17

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What is a Tablet PC?

> Resembles a letter-sized slate

> Allows you to write on the

Screen using a digital pen

> Especially useful for taking

notes

p 21 Fig 1-18

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What are mobile devices?

> Small enough to carry in a

pocket

> Internet-enabled

telephone is a “smart phone”

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What is a handheld computer?

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Used

by mobile employees such as

meter readers and

delivery people

p 21

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What is a personal digital assistant (PDA)?

> Provides personal organizer functions

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What are smart phones and smart watches?

an Internet-enabled an Internet-enabled

telephone that usually watch that automatically

provides PDA capabilities @djusts to time zone changes

and stores personal

information

p 22 Figs 1-21—1-22

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Servers

What types of servers are there?

Midrange server Powerful, large

computer that supports up to a few

thousand computers

Mainframe Very powerful,

expensive computer that supports

thousands of computers

Supercomputer The fastest, most

powerful, most expensive

computer Used for applications

requiring complex mathematical

calculations

p 23 Figs 1-23—1-25

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Embedded Computers

What is an embedded computer?

> AsSpecial-purpose computer that functions as a

component in a larger product

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Elements of an Information System

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Examples of Computer Usage

What software 1s available for a home user?

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What software is available for a small!

office/home office (SOHO) user?

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What are the needs of a power user?

> Speed and large amounts of storage

> Types of power users

= Engineers

= Scientists

= Architects

Desktop publishers Graphic artists

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What are the needs of the large business user?

Web Link from left

navigation, then click Enterprise

Computing below Chapter 1

p 30 Figs 1-33—1-34

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What are some examples 3

Education Finance Government

Healthcare

Science

Publishing Travel

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The componenís of a computer

The advantàes and disadvantàes

of using computers

System software and application software Categories of computers

Elements of an information system

The purpose of a network

The uses of the Internet and World Wide Web

Types of computer users

Computer applications in society

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