Karteikarten
OCR GCSE - Computer Science - Paper 1 - Memory
Karten in diesem Stapel (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
Informationen
- Beschreibung
- GCSE Computing Karteikarten am OCR GCSE - Computer Science - Paper 1 - Memory, erstellt von Malachy Moran-Tun am 07/04/2021.
- Erstellt von
- Malachy Moran-Tun
- Aufrufe
- 16
- Bewertung