Software is a set of programs, documentation and data. It consists of programs, configuration files that explains how to set up the programs, system documentation that explains the structure of the system, and user documentation that explains how to use the software. Software is abstract and tangible.
There are two types of software: application software and system software.
Software engineers develop software products meant to be sold to customers. There are two types of software products: generic products and customized products.
1. Advancement in hardware technology demands efficient software to tap hardware’s potential.
2. Delivering software products could not meet the demand of the market
3. Widespread use of computers forces the people to depend on reliable operation of software.
4. It is too difficult to build highly reliable software with great quality
5. Maintaining the old software is difficult due to poor design and inadequate resources.
6. Software is costlier than hardware
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