In: Computer Science
Question 2
(b) USB flash drive, CD-ROM and Hard disk are commonly used to store data such as documentation, movies and songs.
Based on the statement given above, answer the following questions:
[12 marks]
i)
1) Similarities between USB flash drive, CD-ROM and Hard disk:
USB flash drive, CD-ROM and Hard disks can be used to store any format of data like audio,video,documentation,etc.
USB flash drive, CD-ROM and Hard disks can be used as secondary external storage for data.
2) Differences between USB flash drive, CD-ROM and Hard disk:
CD-ROM is an abandoned/obsolete format to store data as compared to USB flash drive and Hard disks.
CD-ROM can hold lesser amount of data as compared to the USB flash drive and Hard disks.
USB flash drive and CD-ROM do not require any cables for the data transfer as needed for the hard disks.Hence USB flash drive and CD-ROM are more portable.
Accessing data on Hard disks takes much longer than on USB flash drive and CD-ROM.
USB flash drive and CD-ROM are less expensive than the hard disk.
ii)Based on the similarities and differences mentioned in point (i),the recommendation of the storage device depends on what is required :