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1
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
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 3
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
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 4
Recognize Computers
• Data + Processing = Information
• Ubiquitous computing (ubicomp)• Smart homes• Embedded computers
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 5
Recognize Computers (cont.)
• Convergence–Mobile payment systems
• Green computing–Smart appliances–Smart grid
6
Explain the Functions of a Computer
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.
StorageInput Output
Processing
Information Processing Cycle
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 7
Describe How Computers Represent Data Using Binary Codes
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 8
Describe How Computers Represent Data Using Binary Codes (cont.)
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 9
Describe the Evolution of Computer Systems
• Analytical Engine–19th century• Turing machines–1936• Turing test–1950
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 10
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
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 11
List the Various Types and Characteristics of Personal Computers
• Personal computer• Desktop computer–Workstation–All-in-one computer
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 12
List the Various Types and Characteristics of Personal Computers (cont.)
• Notebook–Netbook–Subnotebook
• Laptop• Tablet computer
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 13
List the Various Types and Characteristics of Personal Computers (cont.)
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 14
Give Examples of Other Personal Computing Devices
Mobile devices:–Smartphones–E-readers–GPS
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 15
Give Examples of Other Personal Computing Devices (cont.)
• Video game system–Game console–Game controller
• Video game simulation
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 16
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
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 17
List the Various Types and Characteristics of Multiuser Computers (cont.)
• Midrange computers• Mainframes• Enterprise servers• Supercomputers
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 18
List the Various Types and Characteristics of Multiuser Computers (cont.)
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 19
Explain the Safe and Efficient Use of Technology
Ergonomics
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 20
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
Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall. 22
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.