1.3 Memory And Processors Flashcards
(9 cards)
1
Q
Random Access Memory
A
- Software goes into RAM > processor fetches instructions from memory
- volatile
2
Q
Virtual memory
A
- made by OS using secondary storage
- slower
3
Q
Read Only Memory
A
- non-volatile
- used in computers, watches
- purpose: boot the system & load OS from secondary storage
4
Q
Programmable ROM
A
- written once only
5
Q
Erasable programmable ROM
A
- use UV light to erase data
- data can be rewritten/erased
6
Q
Electrically-erasable programmable ROM
A
- apply voltage at the pin
- erasable & u can rewrite
7
Q
Flash memory
A
- type of EEPROM
- adv: fast access time, low power consumption
8
Q
Processors
A
- 1 or more CPUs
- measured by clock cycles
9
Q
Clock cycles
A
