1. Computer Software 3 Section A Software Basics CHAPTER PARSONS/OJA
Page 110

2. Software Basics Section A 3 Exactly what is software?
Chapter 3
Exactly what is software?
Software: instructions that direct the computer to accomplish a task.
Page 112

3. Software Basics Section A 3
Chapter 3
How does a high-level language relate to the microprocessor’s instruction set?
A compiler translates all of the instructions in a program as a single batch
The resulting machine language instructions are called the object code
Page 115

4. Software Basics Section A 3
Chapter 3
How does a high-level language relate to the microprocessor’s instruction set?
An alternative to a compiler is an interpreter, that converts one instruction at a time while program is running
Scripts
JavaScript
VBScript
Click to start
Page 116

5. Software Basics Section A 3
Chapter 3
Application Software and System Software: How is software categorized?
Software is categorized as either application software or system software
Application software is designed to be used for a purpose such as drawing designs, creating documents, etc.
System software is designed to help the computer carry out the basic operating functions
Operating systems, utilities, and drivers
Page

6. Software Basics Section A 3 How is software categorized? Chapter
Page 117

7. Personal Computer Operating Systems
Section B
Personal Computer Operating Systems
Chapter 3
Operating System Overview: What does an operating system do?
An operating system (OS) is the master controller for all of the activities that take place within a computer.
Microsoft Windows XP, Mac OS, Linux, UNIX
The operating system also interacts with the next functional layer called application software.
Page 118

8. Personal Computer Operating Systems
Section B
Personal Computer Operating Systems
Chapter 3
What does an operating system do?
Page 118

9. Personal Computer Operating Systems
Section B
Personal Computer Operating Systems
Chapter 3
What does an operating system do?
An operating system manages resources (any component that is required to perform work)
An operating system also influences the “look and feel” of your software
Page 119

10. Personal Computer Operating Systems
Section B
Personal Computer Operating Systems
Chapter 3
Why does an operating system need to manage memory?
The OS must ensure that instructions and data don’t “leak” into an area allocated to another program
If it fails, data can get corrupted, programs can “crash” and your computer will display error messages
Should you leave all the programs you have opened running until you turn off the computer???
Page 119

11. Personal Computer Operating Systems
Section B
Personal Computer Operating Systems
Chapter 3
Where is the operating system?
The OS’s small bootstrap program resides in ROM and provides the instructions to load the core parts into memory when system boots
This component is called the kernel
Page 121

12. Application Software Section C 3
Chapter 3
Microsoft Works, Microsoft Office XP and Microsoft Office XP Pro
Microsoft Office XP
Common features
Menus, wizards, etc.
Reduces learning curve
Pro: includes Access
Educational version
Microsoft Works
“Lite” version of Microsoft Office XP
Page 130

13. Application Software Section C 3 Document production software
Chapter 3
Document production software
How does Autocorrect work????
Page 130

14. Application Software Section C 3
Chapter 3
Spreadsheet Software: What is a spreadsheet?
Spreadsheet - numerical model or representation of a real situation
To use spreadsheet software, you:
According to textbook, enter numbers.
You should enter ….
Spreadsheet software is particularly useful for what-if analysis
Page 133

15. Application Software Section C 3
Chapter 3
What happens when I modify a worksheet?
Page 135

16. Application Software Section C 3
Chapter 3
Data Management Software: What is data management software?
Data management software helps you to store, find, organize, update, and report information
File management software
Database management software
Page 137

17. Application Software Section C 3
Chapter 3
What’s the difference between file management software and database management software?
Page 137

18. Application Software Section C 3
Chapter 3
How do I use data management software?
A file structure is somewhat like a fill-in form that contains a list of fields and their data types
Click to start
Page 139

19. Application Software Section C 3 How do I locate specific data?
Chapter 3
How do I locate specific data?
Information that needs to be accessed quickly is usually stored as a structured database.
stored in a field
A query by example (QBE) helps users search structured databases.
Page 140

20. Application Software Section C 3
Chapter 3
Music Software: Why would I need music software?
Audio editing software – lets you make your own digital voice and music recording
MP3: compresses audio files using algorithms
MP3 Player
CD ripper
MP3 encoding software
Ear training software
Notation software
Computer-aided software
Midi sequencing software
Page 143

21. Application Software Section C 3
Chapter 3
Entertainment Software: What’s the best-selling entertainment software?
Over $6 billion of computer and video games are sold each year in the U.S. alone
97% by people 18 and under
13% by people over 50
43% by women
Page 145

22. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Installation Basics: What’s included in a typical software package?
The key ingredients necessary to install new software are the files that contain the programs, support modules, and data modules
Usually supplied on distribution disks
Page 148

23. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
How do I know if a software program will work on my computer?
System requirements specify the operating system and minimum hardware requirements for a software product to work correctly
Is it advisable to have the minimum system requirements?
Page 148

24. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Installing from a Distribution Disk or CD: How do I install software from a disk or CD?
Should you always select a full installation?
A setup program guides you through the installation process
Following the program will make installation easy
Page 150

25. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Is installing a software upgrade different from installing a full version?
Installing an upgrade is similar to installing a full version
Update provides a setup file that checks to make sure that your computer contains a valid version of software to upgrade and will guide you through the upgrade process
Should you use the automatic update feature of Windows XP?
Page 151

26. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Uninstalling Software: How do I get rid of software?
Uninstall routine deletes the software’s files
Page 152

27. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Software Copyrights: Is it legal to copy software?
A copyright is a form of legal protection
Purchaser has right to copy software to a computer’s hard disk in order to install it
Purchaser can make a backup copy
Purchaser is allowed to copy and distribute sections of a software program for use in critical reviews and teaching
Most software displays a copyright notice
Page 153

28. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Software Licenses: What is a software license?
A software license is a legal contract that defines the ways in which you may use a computer program
A shrink-wrap license goes into effect as soon as you open the packaging
Page 153

29. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Are all software licenses similar?
Commercial software – typically sold in computers or a web site
Shareware – copyrighted software that you “try before you buy”
Freeware – copyrighted software available for free
Public domain software – not copyrighted, and in public domain
Page

30. Software Installation and Copyrights
Section D
Software Installation and Copyrights
Chapter 3
Pirated software
illegal copies of software
U.S.: 28% of all software
China, Indonesia and other third world countries: 90%
Internet has increased problem of pirated software
Encryption keys
July 4th
Page