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Computer Software & its Types
Instructor : Muhammad Hammad Waseem
Email: [email protected]
Course : Introduction to Computer
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Software
• “A set of instructions given to the computer to solve a problem is called Software.”
• “Software is a single/collection of programs that performs a particular task.”
• Software is also called Program.• Different software's are used to solve different
problems.
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Types Of Software
• There are two types of software on the basis of their functionality:▫ System Software▫ Application Software
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Application Software
• Application Software includes programs that do real work for user.
• Application Software is created to perform specific tasks for a user.
• It is also known as application package.• Application software is used to perform various
applications on the computer.
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Examples
▫ Microsoft Word▫ Microsoft Excel▫ Lotus 123▫ Photoshop etc
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Custom software
• Custom software (also known as bespoke
software or tailor made software's)
is software that is specially developed for
some specific organization or other user.
Packaged Software• Packaged Software is a Software that is
ready-made and available for sale, lease , or
license to the general public.
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System Software
• System Software is set of programs to control and manage the operations of a computer hardware.
• It enables application programs to execute properly.
• It consists of the basic operations as follows:▫ Saving data on disk▫ Making computer to work for us▫ Printing a document etc.
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Examples
• Examples of System Software's are:▫ Operating Systems▫ Utility Programs▫ Device Drivers
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Operating System (OS)
• An operating system (OS) is a collection of
software that manages computer
hardware resources and provides
common services for computer programs.
• The operating system is a vital component of the system software in a computer system.
• Application programs usually require an operating system to function.
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Utility program
• Utility program is a system software that
allows a user to analyze, configure and
Maintain the computer.
• It performs a specific task related to the management of computer.
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Device Driver
• A Device Driver is a computer
program that operates or controls a
particular type of device that is attached to
a computer.
▫ Like printers
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Question Answer Session…..
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