external storage

Question 1

advantage of having files saved on external storage devices

Answer 1

allows them to be moved between computers very easily

Question 2

examples of optical discs

Answer 2

CDs, DVDs, and Blu-Ray discs

Question 3

what are the differnet types of optical discs

Answer 3

read-only , write once, or rewritable

Question 4

advantages of optical discs

Answer 4

portable
cheap
waterproof

Question 5

disadvantages of optical disks

Answer 5

not used very much nowadays, lots of newer devices don’t have optical disc drives

Question 6

two types of external drives

Answer 6

hard disk drives (HDDs), solid state drives (SDDs)

also USB sticks and SD cards

Question 7

advantages of external drives

Answer 7

• they can store more data
• they are portable (good for transporting large amounts of data)

Question 8

disadvantages of external drives

Answer 8

external HDDS are more likley to be damaged if dropped

Question 9

where are small external storage devices like USB sticks and SD cards used?

Answer 9

cameras and tablets

Question 10

what is cloud storage?

Answer 10

a service where someone can upload their files to a server over the internet

Question 11

advantages of cloud storage

Answer 11

• files can be accesed from anywhere with an internet connection
• saves money on expensive storage devices

Question 12

disadvantages of cloud storage

Answer 12

• there is normally a fee to use cloud storage (some are free)
• files can only be accessed using an internet connection
• can be insecure