1.2

Question 1

Paper advantages

Answer 1

• no need for electricity/internet to access paper
• confidential data can be easily locked

Question 2

disadvantages of paper

Answer 2

• easily damage when handled
• cost a lot to transport and her to keep a secure

Question 3

examples of optical media

Answer 3

CDs DVDs blu ray

Question 4

advantages of optical media

Answer 4

• Durable = less prone to dust, water or magnetic interference
• Portable = light weight and compact
• no power requirement for storage

Question 5

disadvantages of optical media

Answer 5

• limited storage capacity
• Fragile as it is suspectible to scratches, smudges which can render them making readable
• slow write speed than USB/SSD

Question 6

examples of magnetic media

Answer 6

Hard disk drive, swipe cards

Question 7

advantages of Solid state

Answer 7

portable
fast read/write times

Question 8

disadvantages of Solid state

Answer 8

higher cost per GB

Question 9

. Describe one advantage and one disadvantage of using magnetic media to store a back-up copy of a database. (4)

Answer 9

An external hard drive (1) can be used and stored off site / in a safe place (1) · Can store a large amount of data (1) so multiple backups can be stored (1) · Cheap form of storage (1) per megabyte of storage (1)

External / portable devices (1) can be easily damaged/lost (1) · Mechanical failure/ crash (1) and may lose/corrupt/damage the data stored on it (1) · Has a finite / definitive amount (1) of storage space (1)