2824490
Description
Flashcards by Lyssa Badger, updated more than 1 year ago
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Created by Lyssa Badger
over 9 years ago
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| Question | Answer |
| List 4 types of software? | Off the shelf Open Source Proprietary Custom Written |
| Define Custom Written software | Developed specifically for a particular organisation |
| Advantage of Custom Written Software? | Custom made to meet exact purposes |
| Disadvantage of Custom Written Software? | Very expensive and need technical expertise to develop |
| Define Off-the-Shelf software | Developed by a software company to be sold to the general public |
| Advantage of Off-the-Shelf Software? | Cheaper than developing it yourself. Tech support avaiable |
| Disadvantage of Off-the-Shelf Software? | Inflexible -might not do everything you want it to do |
| Define Open Source Software | Written by general public for everyone to use. Source code provided so software can be tweaked |
| Advantage of Open Source Software? | Allows anyone to use/adopt the software to meet their needs. Collaborative approach to development which can lead to better quality software |
| Disadvantage of Open Source Software? | By making source code available to all, it provides the opportunity for people to "take advantage" of software installed on users' computers compromising security. |
| Define Proprietary Software | Written by developer and allowed to be used by others but with certain restrictions. e.g. can't adapt software. Source code is hidden |
| Advantage of Proprietary Software? | Can allow for different versions of same software e.g. Educational version with limited functionality or full-functionality version costing more |
| Disadvantage of Proprietary Software? | Source code cannot be inspected so may contain spyware or other malicious features within the software |
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