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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Business Software
• A software suite is a collection of individual programs available together as a unit
• A personal information manager (PIM) is application software that includes
Discovering Computers Fundamentals, 2011 Edition Chapter 3
1Page 118
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Business Software
Discovering Computers Fundamentals, 2011 Edition Chapter 3
2Pages 118 - 119Figures 3-12 – 3-14
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Business Software
• Enterprises typically require special computing solutions for various functional units
Discovering Computers Fundamentals, 2011 Edition Chapter 3
3Page 119
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Graphics and Multimedia Software
Discovering Computers Fundamentals, 2011 Edition Chapter 3
4Page 120 Figure 3-15
Click to view Web Link,click Chapter 3, Click Web Link from left navigation, then click Graphics Software below Chapter 3
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Graphics and Multimedia Software
Discovering Computers Fundamentals, 2011 Edition Chapter 3
5Page 121Figures 3-16 – 3-18
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Graphics and Multimedia Software
Discovering Computers Fundamentals, 2011 Edition Chapter 3
6Pages 121 - 122Figures 3-19– 3-20
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Video: MediaCell Video Converter
Discovering Computers Fundamentals, 2011 Edition Chapter 3
7
CLICK TO START
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Graphics and Multimedia Software
• Web page authoring software helps users of all skill levels create Web pages that include multimedia and interactive content
Discovering Computers Fundamentals, 2011 Edition Chapter 3
8Page 122
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Software for Home, Personal, and Educational Use
Discovering Computers Fundamentals, 2011 Edition Chapter 3
9Pages 124– 125Figures 3-22 – 3-24
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Software for Home, Personal, and Educational Use
Discovering Computers Fundamentals, 2011 Edition Chapter 3
10Pages 125 – 126Figures 3-25 – 3-26
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Software for Home, Personal, and Educational Use
Discovering Computers Fundamentals, 2011 Edition Chapter 3
11Pages 126 - 127Figures 3-27 – 3-29
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Software for Home, Personal, and Educational Use
Discovering Computers Fundamentals, 2011 Edition Chapter 3
12Pages 127 – 128Figures 3-30 – 3-32
Click to view Web Link,click Chapter 3, Click Web Link from left navigation, then click Game Software below Chapter 3
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Web Applications
• A Web application (Web app) is a Web site that allows users to access and interact with software from any computer or device that is connected to the Internet
Discovering Computers Fundamentals, 2011 Edition Chapter 3
13Pages 128 – 129Figure 3-33
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Web Applications
Discovering Computers Fundamentals, 2011 Edition Chapter 3
14Page 129 Figure 3-34
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Application Software for Communications
Discovering Computers Fundamentals, 2011 Edition Chapter 3
15Page 130 Figure 3-35
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Learning Tools for Application Software
• Online Help is the electronic equivalent of a user manual
• You can ask a question or access the Help topics in subject or alphabetical order
Discovering Computers Fundamentals, 2011 Edition Chapter 3
16Page 131 Figure 3-36
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Learning Tools for Application Software
• Web-based training is a type of CBT that uses Internet technology and consists of application software on the Web
• Distance learning (DL) is the delivery of education at one location while the learning takes place at other locations
Discovering Computers Fundamentals, 2011 Edition Chapter 3
17Page 131 Figure 3-37
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Summary
Discovering Computers Fundamentals, 2011 Edition Chapter 3
18Page 132
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Chapter 4 The Chapter 4 The Components of the Components of the System UnitSystem Unit
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Objectives Overview
Discovering Computers Fundamentals, 2011 Edition Chapter 4
20See Page 155for Detailed Objectives
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Objectives Overview
Discovering Computers Fundamentals, 2011 Edition Chapter 4
21See Page 155for Detailed Objectives
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
The System Unit
• The system unit is a case that contains electronic components of the computer used to process data
Discovering Computers Fundamentals, 2011 Edition Chapter 4
22Page 156 Figure 4-1
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
The System Unit
• The inside of the system unit on a desktop personal computer includes:
Discovering Computers Fundamentals, 2011 Edition Chapter 4
23Page 157 Figure 4-2
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
The System Unit
• The motherboard is the main circuit board of the system unit– A computer chip contains integrated circuits
Discovering Computers Fundamentals, 2011 Edition Chapter 4
24Page 158 Figure 4-3
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Processor
• The processor, also called the central processing unit (CPU), interprets and carries out the basic instructions that operate a computer– Contain a control unit and an arithmetic logic unit
(ALU)
Discovering Computers Fundamentals, 2011 Edition Chapter 4
25Page 159
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Processor
Discovering Computers Fundamentals, 2011 Edition Chapter 4
26Page 159 Figure 4-4
Click to view Web Link,click Chapter 4, Click Web Link from left navigation, then click Multi-Core Processors below Chapter 4
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Processor
• The control unit is the component of the processor that directs and coordinates most of the operations in the computer
• The arithmetic logic unit (ALU) performs arithmetic, comparison, and other operations
Discovering Computers Fundamentals, 2011 Edition Chapter 4
27Pages 159 - 160
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Processor
• For every instruction, a processor repeats a set of four basic operations, which comprise a machine cycle
Discovering Computers Fundamentals, 2011 Edition Chapter 4
28Page 160 Figure 4-5
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Processor
Discovering Computers Fundamentals, 2011 Edition Chapter 4
29Pages 160 - 161
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Data Representation
Discovering Computers Fundamentals, 2011 Edition Chapter 4
30Page 162
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Data Representation
A computer circuit represents the 0 or the 1 electronically by the presence or absence of an electrical charge
Eight bits grouped together as a unit are called a byte. A byte represents a single character in the computer
Discovering Computers Fundamentals, 2011 Edition Chapter 4
31Page 162 Figures 4-6 – 4-7
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Data Representation
• ASCII (American Standard Code for Information Interchange) is the most widely used coding scheme to represent data
Discovering Computers Fundamentals, 2011 Edition Chapter 4
32Page 162 Figure 4-8
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Data Representation
Discovering Computers Fundamentals, 2011 Edition Chapter 4
33Page 163 Figure 4-9
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• Memory consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processing the data
• Stores three basic categories of items:
Discovering Computers Fundamentals, 2011 Edition Chapter 4
34Page 163
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• Each location in memory has an address• Memory size is measured in kilobytes (KB or K),
megabytes (MB), gigabytes (GB), or terabytes (TB)
Discovering Computers Fundamentals, 2011 Edition Chapter 4
35Page 164 Figure 4-11
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• The system unit contains two types of memory:
Discovering Computers Fundamentals, 2011 Edition Chapter 4
36Pages 164 - 165
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
Discovering Computers Fundamentals, 2011 Edition Chapter 4
37Page 165 Figure 4-12
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• Three basic types of RAM chips exist:
Discovering Computers Fundamentals, 2011 Edition Chapter 4
38Page 166
Click to view Web Link,click Chapter 4, Click Web Link from left navigation, then click RAMbelow Chapter 4
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• RAM chips usually reside on a memory module and are inserted into memory slots
Discovering Computers Fundamentals, 2011 Edition Chapter 4
39Page 166 Figure 4-13
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• The amount of RAM necessary in a computer often depends on the types of software you plan to use
• Memory cache speeds the processes of the computer because it stores frequently used instructions and data
Discovering Computers Fundamentals, 2011 Edition Chapter 4
40Pages 166 - 167
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
Discovering Computers Fundamentals, 2011 Edition Chapter 4
41Page 167
Click to view Web Link,click Chapter 4, Click Web Link from left navigation, then click ROMbelow Chapter 4
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• Flash memory can be erased electronically and rewritten– CMOS technology
provides high speeds and consumes little power
Discovering Computers Fundamentals, 2011 Edition Chapter 4
42Pages 167 – 168Figure 4-14
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• Access time is the amount of time it takes the processor to read from memory– Measured in nanoseconds
Discovering Computers Fundamentals, 2011 Edition Chapter 4
43Page 168Figures 4-15 – 4-16
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Discovering Computers Fundamentals, 2011 Edition Chapter 3
Memory
• End for today• We will cover the rest at the nextweek’s class
Discovering Computers Fundamentals, 2011 Edition Chapter 4
44Page 168Figures 4-15 – 4-16