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 importance of computer literacy Define the term, computer Identify the components of a computer

Discuss the advantàes and disadvantages of using computers Recognize the purpose of a network

Discuss the uses of the Internet and World Wide Web

Distinguish between system software and application software

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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?

How isa defined?

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The Components of a Computer

What is an input device? <a

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Click to view Web Link,

click Chapter 1, Click Web Link

from left navigation,

then click Input Devices below Chapter 1

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The Components of a Computer 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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What are two main components on the motherboard?

Also called a

The electronic component that interprets and carries out the basic instructions that operate the computer

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What is storage?

Holds data, instructions, and information for future use

Storage device

Records and retrieves items to and from

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What Is storage media?

Handheld

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What is a floppy disk?

> Thin, circular,

flexible disk

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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

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What is a compact disc?

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The Components of a Computer What isa ? >, wa, Hardware component that enables a computer to send and receive data, instructions, and information

then click Communications Devices below Chapter 1

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Reliability Consistency

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Storage Communications

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Networks and the Internet

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What is the Internet?

> Worldwide collection of networks that connects

millions of businesses, government agencies,

educational institutions, and individuals

_

from left navigation, then click Internet

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What is the Web?

> Billions of documents, called Web pages, available to anyone connected to the Internet

A 1S

a collection of related Web pages

A contains

text, graphics, sound, You can share

video, and links to information by

Teo teks creating Web pages or posting photos on

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Computer Software What is software? Consists of a series of instructions that tells the computer what to do

then click Computer Programs below Chapter 1

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Computer Software What is a graphical user interface Ce > Allows you to interact with the software using

sraphics and icons Pick a category

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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

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Computer Software

What is application software?

> Programs that perform Specific tasks for users Word Processing Spreadsheet Presentation Database ete

then click Application Software below Chapter 1

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Computer Software

How do you install and run programs?

Step 1: INSTALL

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Personal Computers

What are the two most popular series of persona! computers?

> PC and compatibles » Apple Macintosh

use the Windows uses the Macintosh

operating system operating system

(Mac OS)

Click to view Web Link, click Chapter 1, Click Web Link from left

navigation, then click Personal Computers below Chapter 1

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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

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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

computer

Click to view Web Link, click Chapter 1, Click Web Link from left

navigation, then click Notebook Computers below Chapter 1

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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

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What are mobile devices?

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What is a personal digital assistant (PDA)?

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What are smart phones and smart watches?

A smart phone is A smart watch Is

an Internet-enabled an Internet-enabled

telephone that usually watch that automatically

provides PDA capabilities @djusts to time zone changes

and stores personal

information

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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

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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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Examples of Computer Usage

What software 1s available for a home user?

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