Flashcards
Sem título
Flashcards do conjunto (15)
- 1Overflow- When two 8-Bit binary numbers are added to make a 9-Bit binary number. The 1 extra bit is an overflow as it doesn't fit into 8-Bits
- 2HTMLHypertext Markup Language
- 3HTML Purpose- Contains text/content to be displayed and links to other resources.
- Set in a standard format that can be understood by web browsers. - 4Custom Written Software- Software written specifically for a particular customer
- 5Advantages- It should have exactly the features required
- It should not require special adaptations to be made after installation
- A maintenance contract can be arranged with the developer
the developer can be contacted to solve issues
- The developer may provide training - 6Disadvantages- It may not have been extensively tested
- It may be expensive as the developer has to make a profit from just one customer
- It may take a long time to develop - 7Off the Shelf SoftwareSoftware that can be bought from supplier ready to be installed to a computer.
e.g. MS Word, Windows, Norton Security - 8Advantages- It is ready immediately
- It has probably been extensively tested
- Many users will know about it and may have discovered and reported problems
- There will be lots of forums online where users can help each other
- The cost will be low because the developer costs are shared among many users - 9Disadvantages- It probably won't be exactly what the customer needs
- It may need extensive customization
- The customer might have to search for training partners - 10Open Source SoftwareSoftware where the source code is accessible by the public. Usually produced to improve skills or for the public good.
e.g. Linux, Apache web server, Libra office, Firefox - 11Advantages- It may be free of charge
- It can altered because the source code is available
- It may be extremely reliable and efficient because many people may work to improve it - 12Disadvantages- There are no maintenance contracts
- There is no one to contact if there are problems
- Updates may not happen or come at irregular intervals
- The software may be for a different platform than the company currently owns - 13Proprietary SoftwareSoftware developed for profit. The source code is inaccessible and users need to buy a license to use the software, as a result restricting copying and modifying.
- 14Advantages- There is someone to go to if there is a problem
- It should have been extensively tested
- Updates are usually scheduled regularly
- Restricts competitors copying software and producing similar products
- Ensures compatibility as modifications haven't been made - 15Disadvantages- It can be expensive
- Deliberate incompatibilities may be introduced so users can get locked in
- It may be inflexible to users needs
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- FlashCards sobre Sem título, criado por Alfie Hann em 06-05-2017.
- Criado por
- Alfie Hann
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