Wednesday, April 8, 2009

WEEK FOUR QUESTIONS

1. What are main differences/distinction between system software and application software?
System software is the operating system such as Windows XP, it controls the computer, and is the link between hardware and software.
Application software is specific to certain functions, such as Microsoft Word.





Photo: compliments of Microsoft, accessed at: http://office-training.co.uk/microsoft_word_2007.gif


2. What are the two main types of system software?
System Control Programs: part of the operating system which controls the hardware, software, and data resources of a computer system.
System support programs/Utilities software: supports the operations, management, and users of a computer system by providing a variety of support services.


3. What is the difference between proprietary and open source software? What considerations should be made when a business selects either software.
Proprietary software is software bought with a llicense to use it. Such as Microsoft products, these products need a license to use, and/or change software code.
Open source software is when the license is free. Free to use, and free to change software code.
Proprietary costs money and license is needed, however it comes with detailed support, customer care and response. Open source software is not so good when remedying problems. Businesses should consider whether they wish to spend money on software, and whether or not there is someone capable of fixing any possible problems.


4. What are some of the legal issues involved in acquiring and using software in most businesses/organizations?
When using proprietary software, a business or organisation must pay for license to use it, and they cannot distribute it.


5. What is meant by SaaS? Name some examples of this software
SaaS means Software-as-a-Service: a method of delivering software in which a vendor hosts the applications, and customers access them over a network and pay only for using them.
E.g.

Sales force
Microsoft live
Google docs (however free to use)


Photo: Compliments of Google, accessed at: http://gurukreatif.files.wordpress.com/2009/02/google-docs-good-logo.jpg

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