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Flashcards by Malachy Moran-Tun, updated more than 1 year ago
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| Question | Answer |
| What is Primary Storage? | > Storage that the CPU can access quickly (compared to secondary storage) > Small capacity > Usually volatile > Includes RAM, ROM, and registers |
| What is Secondary Storage? | > Non-volatile > Large(r) capacity > Slow access speed compared to primary - physically further away (e.g., usually connected via a slow cable) > Stores OS, applications, and files when they are not in use |
| What is Tertiary Storage? | > Non-volatile storage away from a personal PC > Used for long term backups of data > Used in large facilities to store large amounts of data |
| What is RAM? | > Random access memory > Contains the OS (while the computer is running), open programs, and open files > Contains the data / instructions being executed / executed on by the CPU > Volatile |
| What is ROM? | > Read only memory > Non-volatile > Contains the BIOS, which contains instructions on how to load the OS (mainly the OS' kernel) Computer boots -> Load BIOS -> System Checks -> Load OS to RAM |
| What is Virtual Memory? | > Secondary storage used as additional RAM > CPU moves data that hasn't been recently used into virtual memory > Extremely slow data transfer as compared to RAM |
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