GO! All In One 2/E By: Shelley Gaskin, Nancy Graviett, Debra Geoghan Chapter 1 Computers,...

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GO! All In One 2/E

By: Shelley Gaskin, Nancy Graviett, Debra Geoghan

Chapter 1 Computers,

Information Processing, and Ubiquitous Systems

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 2

Objectives

• Recognize Computers• Explain the Functions of a

Computer• Describe How Computers

Represent Data Using Binary Codes

• Describe the Evolution of Computer Systems


Objectives (cont.)

• List the Various Types and Characteristics of Personal Computers

• Give Examples of Other Personal Computing Devices

• List the Various Types and Characteristics of Multiuser Computers

• Explain the Safe and Efficient Use of Technology


Recognize Computers

• Data + Processing = Information

• Ubiquitous computing (ubicomp)• Smart homes• Embedded computers


Recognize Computers (cont.)

• Convergence–Mobile payment systems

• Green computing–Smart appliances–Smart grid

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Explain the Functions of a Computer

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.

StorageInput Output

Processing

Information Processing Cycle


Describe How Computers Represent Data Using Binary Codes


Describe How Computers Represent Data Using Binary Codes (cont.)


Describe the Evolution of Computer Systems

• Analytical Engine–19th century• Turing machines–1936• Turing test–1950


Describe the Evolution of Computer Systems (cont.)

• First generation: ENIAC–1943-1946

• Second generation: Transistors–1950’s

• Third generation: Integrated circuits–1960’s

• Fourth generation: Microprocessor–1970’s


List the Various Types and Characteristics of Personal Computers

• Personal computer• Desktop computer–Workstation–All-in-one computer


List the Various Types and Characteristics of Personal Computers (cont.)

• Notebook–Netbook–Subnotebook

• Laptop• Tablet computer


List the Various Types and Characteristics of Personal Computers (cont.)


Give Examples of Other Personal Computing Devices

Mobile devices:–Smartphones–E-readers–GPS


Give Examples of Other Personal Computing Devices (cont.)

• Video game system–Game console–Game controller

• Video game simulation


List the Various Types and Characteristics of Multiuser Computers

Multiuser computers:–Centralized resources and security–More powerful computers

ServerClient

ClientClient

Client

ClientClient

Client

Client

Client

Client


List the Various Types and Characteristics of Multiuser Computers (cont.)

• Midrange computers• Mainframes• Enterprise servers• Supercomputers


List the Various Types and Characteristics of Multiuser Computers (cont.)


Explain the Safe and Efficient Use of Technology

Ergonomics


Summary

• We are currently experiencing ubiquitous computing and convergence

• In the information processing cycle, data is converted into information

• Personal computers include desktops and portable devices

• Multiuser computers are accessed by clients


Questions


Copyright

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any

means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the

United States of America.

GO! All In One 2/E By: Shelley Gaskin, Nancy Graviett, Debra Geoghan Chapter 1 Computers,...

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