Memory Flashcards
1
Q
What does ROM stand for?
A
Read only memory.
2
Q
What does volatile mean?
A
Data is lost when the power is turned off.
3
Q
Which type of memory is volatile?
A
Random access memory.
4
Q
Which type of memory is used in the boot up program?
A
Read only memory.
5
Q
Name three features of random access memory.
A
- Volatile (data is lost when the power is turned off).
- Can be accessed and changed by the computer at any time.
- Stores programs and data being used by the computer.
- Contains the operating system.
- Large (4GB or more in typical computers).
6
Q
Name three features of the read only memory.
A
- Non volatile (data is retained when the power is turned off)
- Programmed during computer manufacture.
- Stores instructions and data required to start up the computer.
- Contains the boot program
- Small (1 or 2 MB required for the boot program).
7
Q
What is virtual memory?
A
It is when part of the hard drive is used as an extension of the RAM so it can hold programs needed that the RAM can’t hold. However it is not as fast as adding more RAM.
8
Q
What does RAM stand for?
A
Random access memory.
