Selection and Use of appropriate Software Features
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Transcript Selection and Use of appropriate Software Features
tcowling 2009
12.11
SELECTION AND USE OF APPROPRIATE
SOFTWARE FEATURES
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TYPES OF SOFTWARE
Name given to computer programs
Programs are needed to control the hardware.
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TYPES OF SOFTWARE
Applications Software
Systems Software
Is designed to make use of the computer
system for specific purposes
performs tasks that are required because
a computer is used
EG: Generic Applications
EG: Operating Systems
EG: Bespoke Applications
EG: Utility Programs
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OPERATING SYSTEMS
Interacts with hardware to ensure system is
managed.
It hides the complexity
of the hardware from the
user.
Useful for creating
File Directories on a computer
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UTILITY PROGRAMS
Provides Tools to support the management of a
system
COMPRESSION
FILE CONVERSION
Covert data into a format that takes up less memory space.
Each file has a file extension (.doc). It enables other programs to open
files with different extensions
CONFIGURATION FILES
Contain information on system parameters. When a program is run, it
may need to see what conditions it should adapt to
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GENERIC:
WORD PROCESSING
Scenarios include:
Writing
a book
Writing a letter
Features include:
Bold
Underline
Font
Size
Alignment
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DESKTOP PUBLISHING
Scenarios include:
Creating
a leaflet
Features include:
Re-sizing
images
Importing images
Modifying text
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SPREADSHEETS
Scenarios include:
Creating
an electronic register
Features include:
Formulae
Functions
Charts/Graphs
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DATABASE MANAGEMENT SOFTWARE
Scenarios include:
Keeping
Customer Records
Police records of criminals
Features include:
Storing
data
Searching data
Sorting data
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INTERNET
The Software is called a WEB BROWSER!
Scenarios include:
Viewing
a website
Features include:
Email
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WEB DESIGN SOFTWARE
Setting up and testing web pages
Uploading pages to the web
Entering and formatting text
Inserting hyperlinks
Inserting tables
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EMAIL SOFTWARE
Sending emails to one or more addresses
A reply button for easy response
Forwarding emails
Setting priority to URGENT
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IMAGE MANIPULATION SOFTWARE
Resizing images
Cropping images
Increasing or decreasing brightness
Blurring or colouring images
Cloning parts of images
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PRESENTATION SOFTWARE
Creating slides
Include text, graphics and video
Formatting text
Use bullet points to highlight information
Sound files
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MACRO
A sequence of instructions that performs a task
on a regular basis.
An example is:
In
Word Processing, you can record a macro to add
your name to every document automatically.
Another example is:
In
Databases, you can record a macro to add an
instruction every time you click on a button.
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WHICH SOFTWARE SHOULD I USE?
How do you decide which one to use?
Performance
- how quickly does it operate?
Functionality Does it have all the features that I want?
Usability is it easy to use?
The
Interface is the layout clear
User Support is it available – does it cost extra?