Flashcards
RAM, ROM and Virtual Memory
Cards in this deck (15)
- 1What does RAM stand for?Random Access Memory
- 2What does RAM do?It stores data/programs/parts of the operating system which are currently being used by the computer system.
- 3Is RAM volatile or non-volatile?RAM is volatile (content will delete when PC is switched off).
- 4Can the content of the RAM change?Yes, the content of the RAM changes frequently.
- 5Can you increase how much RAM you have?You can increase how much RAM you have.
- 6What does ROM stand for?Read Only Memory
- 7What does ROM do?You can’t start your computer without it. It stores instructions (e.g. your BIOS) which are needed to “boot up” the computer.
- 8Is ROM volatile or non-volatile?ROM is non-volatile (content is stored, even when the PC is switched off).
- 9Can the content of the ROM change?The content of the ROM never changes (or hardly ever)
- 10Can you increase how much ROM you have?You can’t increase how much ROM you have.
- 11What is virtual memory?Virtual memory is a section of volatile memory created temporarily on the storage drive.
- 12What does virtual memory do?It is created when a computer is running many processes at once and RAM is running low so.
- 13How does virtual memory work?It uses a section of the secondary storage (hard drive) to store some programs in order to free up space in RAM.
- 14Give an advantage of virtual memoryAllows you to run more programs at the same time without needing to buy more RAM.
- 15Give a disadvantage of virtual memoryVirtual memory is slower to access data compared to RAM. This will make loading programs slower compared to using RAM.
Information
- Description
- Flashcards on RAM, ROM and Virtual Memory, created by David Hewson on 16/06/2021.
- Created by
- David Hewson · Jun 2021
- Updated
- Jun 22, 2021
- Views
- 1
- Rating