Transcript Operating System Software

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is a set of instructions that tell the computer
what to do.
Software can be categorized into:
1. Operating system software
2. Applications software
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a computer requires an operating system (OS)
in order to function
the operating system displays icons, such as
the recycle bin, that the user can interact
with, this is called the user interface.
The operating system performs the following
functions:
1. Job Management
- determines the order and timing in which
programs run
2. Task Management
- prioritizes the running of programs
3. Data Management
- keeps track of where data is stored
4. Device Management
- controls peripheral devices through
software called drivers which are installed
into the operating system
5. Security
- is provided in a multi user environment by
providing passwords and scheduling backups
Some operating systems that you might be
familiar with are:
- Windows 7, Mac OS, Unix, Linux
Utility Programs
- is software that helps your computer and
improves the OS and computers functions
Ex. Anti-virus, Data-compression programs,
Data-recovery software, defragmenting
programs, etc.
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are programs used to perform tasks other
than run the computer
it is the application software that allows the
user to accomplish work
The following are some of the application
software that we will be using during this
course:
1. Word processing software
- is used to create and edit text files with
basic graphic functions
2. Spreadsheet software
- is used to create and edit rows and columns
with numbers and perform calculations
3. Database software
- is used to create and edit records in order
to sort and filter data according to criteria
4. Presentation software
- is used to create slide shows with text,
graphics, animations and transitions
5. Web authoring software
- is used to create and edit html for a website
6. Internet browser software
- is used to navigate on the web
7. Adobe Acrobat Reader
- is used to read portable
document files (.pdf)
Some application software that you might be
familiar with:
- Microsoft Word or Corel Word Perfect,
Microsoft Excel, Macromedia Dreamweaver,
Internet Explorer