Magnetic storage media

Question 1

What is the typical storage of fixed hard disk drives

Answer 1

250GB - 4TB

Question 2

Uses of fixed hard disk drives

Answer 2

• storing operating system and application software
  -used in real time systems as their data needs to be processed fast
  -

Question 3

advantages of fixed hard disk drive

Answer 3

-fast read/write time
-huge capacity
-easy to update/ delete files

Question 4

disadvantages of fixed hard disk drive

Answer 4

-easily damaged if computer isnt shut down correctly
-not portable (fixed)

Question 5

What is the typical storage of portable hard disk drives

Answer 5

250GB - 3TB

Question 6

uses of portable hard disk drive

Answer 6

-storing large files
-portable back-up systems
-transferring data via USB

Question 7

advantages of portable hard disk drives

Answer 7

-fast read/write times
-portable
-huge capacity
-can plug into any computer

Question 8

disadvantages of portable hard disk drive

Answer 8

-easily lost/stolen
-more expensive than other storage
-protective casing isnt completely protective

Question 9

Typical storage of floppy disks

Answer 9

1.44MB

Question 10

uses of floppy disks

Answer 10

• write protect is useful to prevent overwriting
  -when very small files need to be transferred

Question 11

advantages of floppy disks

Answer 11

-are cheap
-small and light
-write protect feature

Question 12

disadvantages of floppy disks

Answer 12

-low storage capacity
-old tech isnt common now
-very delicate
-slow data transfer rate

Question 13

typical storage of magnetic tapes

Answer 13

185TB

Question 14

Uses of magnetic tapes

Answer 14

-when large amounts of data need to be backed up
-when read/writing speed isnt important

Question 15

advantages of magnetic tapes

Answer 15

-chepaer than hard disk drive with the same capacity
-not easily damaged
-huge storage capacity