types of storage

Question 1

SSD

Answer 1

solid state drive

POSITIVE

• durable, fast access times
• no moving parts, reliable
• no noise
• low power

NEGA

• cost
• limited read/writes

Question 2

optical drive

Answer 2

shines laser at media and processes the reflection from the media in read-only drives

pos:

• cheap
• lightweight
• portable

neg:

• slow access time
• prone to scratches

Question 3

magnetic media

Answer 3

positive:

• cheap
• large capacity

neg:
- slow access time
- fragile
- has mainly parts which will eventually fail
- noise

Question 4

rom

Answer 4

read only memory

contains instructions to boot up the pc
can only be read
nonvolatile - perm memory, keeps content even with no power

Question 5

ram

Answer 5

random access memory

main memory in pc
can be read and written to

• volatile (temporary memory, requires power to retain data)

Question 6

virtual memory

Answer 6

secondary storage used as extra ram