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computer science revision flashcards
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- 1what is secondary storage?to permanently store data/files
- 2what are the 3 main storage types?optical, DVD, solid state drive
- 3what is proprietary code?code that is closed form the public usually owned by big companies
- 4what is open source code?code that is open to the public, and that can be edited by the community or used generally for free as-long as the license agreements are followed
- 5what is clock speed?the amount of times your cpu can run the fetch decode execute cycle
- 6what is the fetch decode execute cycle?it is where the cpu checks a list of instructions, takes an instruction, and runs it
- 7what is RAM?Temporary storage that the computer uses to store active data whilst the PC is active, any data stored here is lost when the PC is shut down
- 8what is compression?removing unwanted data from a file to make the file size smaller
- 9what is ASCCI?it is a form of storage for letters/symbols
- 10what is UNICODE?like ascci but a much bigger variety
- 11what is a star topology ?were devices are all connected to a central point
- 12what is a mesh topology?where all of the devices are connected to each other without the use of a central point
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- Fichas sobre computer science revision flashcards, creado por Liam McRae el 09/10/2022.
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- Liam McRae
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