Date post: | 23-Jan-2018 |
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Engineering |
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Software &its types and Advantages and Disadvantages
SUBMITTED TO:- DEEPIKA SHARMABY:-YOUSAF SAHOTAROLL NO:-151076221367
College:- Chandigarh UniversityBranch:-C.S.EDate:-13.9.2017
Introduction
•Software is programs or instructions that tell the
computer what to do and how to do it
•Computers need software to do even a simple
job, without software computers cannot function
Types of Software
• System software:-It is the background software that enables the application software to interact with each other
• Application software:-It is a group of programs designed to accomplish a single task or a group of related tasks
System Software
• Also known as Operating System (OS) and Disk Operating
System (DOS)
• OS allows applications software to communicate with the
hardware
• DOS is a group of programs which manages the most basic
operations of a computer system
• DOS is a link between the users and the computer system
• Example of OS are Window XP, Window 7,VISTA, Linux,
Macintosh, etc
• DOS programs reside on a floppy disk or hard disk
Application Software
• It is a group of programs designed to accomplish a single task
or a group of related tasks
• It divided into two categories:
• User-designed application software:-Software that is
created or designed by big companies and government
department
• Ready-made application software:-A collection of
programs designed for general use
Advantages
• The Company will get the exact software/system that
they need
• The software will work exactly how they want it to
work
• The software will only have the features that they
specifically need in their business
Disadvantages
• Takes a long time to develop
• Cost a great deal of money to develop such system
• Company need to employ a team of people such as
analysts, programmers
• There will be little in the way of user support and
online help