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Sin título

Alfie Hann Inglés 15 fichas

Fichas del conjunto (15)

  1. 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
  2. 2HTMLHypertext Markup Language
  3. 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.
  4. 4Custom Written Software- Software written specifically for a particular customer
  5. 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
  6. 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
  7. 7Off the Shelf SoftwareSoftware that can be bought from supplier ready to be installed to a computer.
    e.g. MS Word, Windows, Norton Security
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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.
  14. 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
  15. 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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Fichas sobre Sin título, creado por Alfie Hann el 06/05/2017.
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Alfie Hann
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