Flashcards
OCR GCSE - Computer Science - Paper 1 - Memory
Flashcards do conjunto (7)
- 1What is Primary Memory?> Memory, such as RAM, that holds currently or frequently used data / instructions
> Volatile memory - data is wiped if power is lost - 2What is Secondary Memory?> Memory, such as a HDD, that holds files and documents stored on a computer
> Non-volatile memory - data is not lost if power is lost - 3What is RAM?> Type of memory in the computer that is part of the fetch-decode-execute cycle
> Contains: currently used data / instructions; currently open programs; the operating system etc. - 4What is ROM?> Read-Only Memory
> (In a computer) stores the Kernel and BIOS, which are the instructions to load the operating system run - 5What is Virtual Memory?Using secondary storage as additional RAM / primary memory, because it's the 90s again
- 6Why would Virtual Memory be Useful?(especially in older computers) sometimes there is not enough RAM to store all the currently running programs and data
- 7What is Flash Memory?> Special type of memory that can be written over (similar to RAM) but is non-volatile
> No moving parts
> Fast read / write speeds
> Requires little power
Informações
- Descrição
- GCSE Computing FlashCards sobre OCR GCSE - Computer Science - Paper 1 - Memory, criado por Malachy Moran-Tun em 07-04-2021.
- Criado por
- Malachy Moran-Tun
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