HOMEWORK WEEK 2
Learn these software types below, then test yourself on socrative.com...
1) Go to socrative.com
2) Click on the Student Login button
3) Enter room number VUIX6AL3
What is proprietary software? Software that is owned by its developers - the source code not made available. The software licence restricts the copying/modifying/distribution of the software.
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Proprietary software (advantages) Quality of the software is guaranteed.
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Proprietary software (disadvantages) It can be expensive.
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What is off-the-shelf software? Software that is available to buy from retailers with features which try to meet the needs of a wide range of users.
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Off-the-shelf software (advantages) Available now / the user will not have to wait for it to be developed. Costs less than custom-written software as you do not pay for the full cost of development.
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Off-the-shelf software (disadvantages) May contain features which the person does not need. May not contain features which the person needs.
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What is custom written software? Software that is created for a specific user or purpose.
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Custom Written Software (advantages)Should have exactly the features required. Training is often provided as part of the contract.
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Custom Written Software (disadvantages)It may be expensive and take a long time to develop.
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What is open source software? Software shared freely with the source code made available.
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Open Source Software (advantages)The source code is licence-free so it is available for others to use/improve with no need for consumers to pay for license. Encourages ‘open culture’ of sharing and collaboration.
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Open Source Software (disadvantages)Software will be available to competitors. Open source code is used as is, with no guarantees. Profits not made by developers.
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