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Chapter 1 Introduction to Computers. A World of Computers. Notable Technology Prognostications “I think there is a world market for maybe five computers.” Thomas Watson, Chairman of IBM, 1943 “Computers in the future may weigh no more than one and a half tons.” Popular Mechanics, 1949

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a world of computers
A World of Computers

Notable Technology Prognostications

“I think there is a world market for maybe five computers.”

Thomas Watson, Chairman of IBM, 1943

“Computers in the future may weigh no more than one and a half tons.”

Popular Mechanics, 1949

“There is no reason anyone would want a computer in their home.”

Ken Olson, President of DEC, 1977

overview
Overview

Explain Computer Literacy

Define Computer

Identify Computer Components

Differentiate Computer Platforms

Advantages and Disadvantages

a world of computers1
A World of Computers

Next

What is computer literacy?

  • Knowledge and understanding of computers and their uses
  • Dynamic definition

p. 4-5 Fig. 1-1

literacy
Literacy

The illiterate of the 21st century will not be those who cannot read and write, but those who cannot learn, unlearn, and relearn.

Alvin Toffler

what is a computer
What Is a Computer?

Acceptsdata

Raw facts, figures, and symbols

Processes data

Produces and stores information

  • Data that is organized, meaningful, and useful

Next

How is a computer defined?

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

p. 6

hardware
Hardware
  • Input Devices
    • Used to Enter Data & Instructions
      • Keyboard
      • Mouse
      • Scanner
      • Digital Camera
      • Video Camera
      • Microphone
hardware1
Hardware
  • Output Devices
    • Conveys Information to User
      • Monitor
      • Printer
      • Speakers
hardware2
Hardware

System Unit

Box-like Device that contains electronic components

Connected to Motherboard

How does a tower differ?

hardware3
Hardware
  • Storage
    • Holds Data & Instructions for Future Use
      • Media
        • Physical Material
      • Device
        • Reads / Writes Data
microcomputers
Microcomputers
  • Apple Macintosh usually uses the Macintosh operating system (Mac OS X)
  • PC and compatibles use the Windows operating system

Click to view Web Link,click Chapter 1, Click Web Link from left navigation, then click Personal Computers below Chapter 1

Next

What are the two most popular styles of desktop computers?

p. 19 Figs. 1-15–1-16

platforms
Platforms

Mobile Computers

  • Notebook
    • Formerly Laptop
  • Tablet
platforms1
Platforms

Mobile Computers

  • PDA
  • Smart Phone
  • Handheld
  • i-Phone
game consoles
Game Consoles

Mobile computing device designed for single-player or multiplayer video games

Next

What aregame consoles?

servers
Servers

Next

What types of servers are there?

A networkserver controls access to network resources and provides centralized storage

MainframeVery powerful, expensive computer that supports thousands of connected users

SupercomputerThe fastest, most powerful, most expensive computer. Used for applications requiring complex mathematical calculations

embedded computers
Embedded Computers

Next

What is an embedded computer?

  • A special-purpose computer that functions as a component in a larger product

component

component

larger product

component

p. 24 Fig. 1-26

embedded computers1
Embedded Computers

Page 26

Figure 1-28

software
Software
  • Programs
    • Series of Instructions
    • Tells Computer What to Do
data and programs
Data and Programs

Data

$ 90.52

Program

$

Information

2

0

.

5

9

types of data
Types of Data

AUDIO

any sound including

speech and music

VIDEO

TEXT

characters or numbers

GRAPHICS

Computer-generated

images

Motion images

advantages
Advantages

Computer Advantages

Speed

Reliability

Consistency

Storage

Communications

disadvantages
Disadvantages

Computer Disadvantages

Violation of Privacy

Crime

Impact on Labor Force

Health Risks

Impact on Environment

industry applications
Industry Applications

Education

  • Distance Learning

Finance

  • Online Banking & Investing, Tax Prep

Government

  • 911 Dispatching, FBI

Healthcare

  • Electronic Patient Records, telemedicine
industry applications1
Industry Applications

Publishing

  • E-books, PDF Manuals, MP3s

Travel

  • Navigation Systems, Reservations, E-tickets

Manufacturing

  • Production, Inventory, Quality Control
examples of computer usage
Examples of Computer Usage

Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Women in Technology below Chapter 1

Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Minorities in Technology below Chapter 1

Next

What software is available for a home user?

  • Personal finance management
  • Web access
  • Communications
  • Entertainment

p. 26 Fig. 1-28

examples of computer usage1
Examples of Computer Usage

Next

What software is available for a small office/home office (SOHO) user?

  • Productivity software
  • Specialty software
  • Web usage
  • E-mail

p. 28 Fig. 1-30

examples of computer usage2
Examples of Computer Usage

Next

What is available for a mobile user?

  • Hardware
    • Notebook computers
    • Tablet PCs
    • Internet-enabled PDAs
    • Smart phones
  • Software
    • Word processing
    • Spreadsheet
    • Presentation graphicssoftware

p. 29 Fig. 1-31

examples of computer usage3
Examples of Computer Usage

Next

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

p. 29 Fig. 1-32

examples of computer usage4
Examples of Computer Usage

Next

What are the needs of the large business user?

  • Payroll
  • Inventory
  • E-commerce
  • Desktop publishing

p. 30 Figs. 1-33

summary of introduction to computers
Summary of Introduction to Computers

The uses of the Internet

Basic computer concepts

Computer software

The term, computer

Categories of computers

The components of a computer

Types of computer users

The advantages and disadvantages of using computers

Computer applications in society

The purpose of a network

Chapter 1 Complete