MEMORY

MEMORY

1. TWO ITEMS STORED IN RAM

   • Programs in current use
   • Data in current use

2. POWER ON SELF-TEST (POST)

   • When power is turned on, POST, whether the hardware of the computer is working

3. REASON WHY ROM IS CONSIDERED PERMANENT AND SECURE:

   • A virus attack is unlikely

4. WHAT IS VIRTUAL MEMORY?

   • It is memory written to a file on the hard drive
   • Memory that appears to exist as main storage although most of it is supported by data held in secondary storage, transfer between the two being made

5. HOW IS VIRTUAL MEMORY IMPLEMENTED?

   • Swapping/paging is a process used by moving data between RAM and virtual memory

6. WHAT IS SOLID STATE MEDIA?

   • Storage media with no moving parts

7. 2 USES OF FLASH MEMORY:

   • USB drives and memory cards (cameras)

8. ADVANTAGES AND DISADVANTAGES OF FLASH MEMORY:

   • DISADVANTAGES
     • Can get lost easily
     • Can wear out over a long time
     • Really expensive
   • ADVANTAGES
     • Uses less power
     • Flash memory is durable - will not break