05/02/2023 Computer Concepts 1

Computer Concepts

Application Software

05/02/2023 Computer Concepts 2

Application SoftwareLearning Objectives• Define Application Software• Identify its common features• Describe (office) productivity software tools• Explain software release and installation• Software compatibility, copy wright and

license issues

05/02/2023 Computer Concepts 3

Software Layers

User

05/02/2023 Computer Concepts 4

Software Types• Application Software– The software developed to perform the many

tasks to which the computer is applied– Many types.. For work, study & play

05/02/2023 Computer Concepts 5

Group problem solving• What are the sources of application software

for an organization?• Compare the relative merits of each

05/02/2023 Computer Concepts 6

Application SoftwareSources•Custom written software

05/02/2023 Computer Concepts 7

Application SoftwareSources• Custom written software• In house

05/02/2023 Computer Concepts 8

Application Software• Sources:– Custom written software– In house– Packaged (off-the shelf)

• Comparisons

05/02/2023 Computer Concepts 9

Application SoftwareBasic Features• GUI (Windows-based)• Dialog boxes/Windows• Menus/Toolbars– Menu bar– Pull-down menu– Help menu

• Mouse cursor • Scrolling

05/02/2023 Computer Concepts 10

Application SoftwareBasic Features (cont.)• Special-purpose & function keys• Macros• Tutorials• Wizards• Documentation

05/02/2023 Computer Concepts 11

Application SoftwareMajor Types:

• Business Applications– Office productivity– General purposes– Industry specific– Special purpose

• Education• Recreation

05/02/2023 Computer Concepts 12

Software DevelopmentFlow Charting

05/02/2023 Computer Concepts 13

Software Development

05/02/2023 Computer Concepts 14

Software Development• Structure Charts

• Pseucode

05/02/2023 Computer Concepts 15

Software DevelopmentStructure Chart

Sales

Input data Calculated Gross sales

Calculated Discounts Out Put

05/02/2023 Computer Concepts 16

Software DevelopmentStructure chart

Thumbnail

Process

FormattingInput

Output

Problem

Definition

Off-page Connector

Out put

Decision

05/02/2023 Computer Concepts 17

PseudcodeSales problem1. Input Item, Price, Qty2. GrSales=price*Qty3. If Qty>50

Then disc = GrSales*1Else Disc = 0

4. Net sales = GrSales – disc5. Output Item, Netsales

05/02/2023 Computer Concepts 18

Software Development

05/02/2023 Computer Concepts 19

Programming Languages

05/02/2023 Computer Concepts 20

Programming Languages

d

05/02/2023 Computer Concepts 21

d

d

Programming Languages

dd

dd

ddd

ddd

05/02/2023 Computer Concepts 22

Programming Languages

d

d

dd

dd

dd

05/02/2023 Computer Concepts 23

Programming Languages

d

d

d

d

d

d

d

d

05/02/2023 Computer Concepts 24

d

Programming Languages

d

d

d

d

d

d

d