storage devices
Click here to link to the OCR text book - Read pages 20 to 21 then complete the tasks below
1 Find out what units are used to describe the capacity of storage devices.
2 Find out, and write down, the capacity of one of each of these storage
devices:
i) CD
ii) DVD
iii) Blu-ray disk
iv) USB memory stick costing under £10
v) USB memory stick costing between £10 and £30
vi) an external hard disk costing around £100
vii) a solid-state disk costing around £200.
17. Explain why a salesperson would store their data on a USB memory stick rather than a DVD-R
when transporting files back to the office at the end of the working day.
Practice Exam-type questions
1 Describe two features of a USB memory stick that make it suitable for transferring files between computers.
[4 marks]
2 Explain two reasons why an estate agent might decide to store its files using cloud storage rather than on its
own file servers. [4 marks]
3 Explain one advantage of using writeable DVDs instead of writeable CDs for storing data. [2 marks]
1 Find out what units are used to describe the capacity of storage devices.
2 Find out, and write down, the capacity of one of each of these storage
devices:
i) CD
ii) DVD
iii) Blu-ray disk
iv) USB memory stick costing under £10
v) USB memory stick costing between £10 and £30
vi) an external hard disk costing around £100
vii) a solid-state disk costing around £200.
17. Explain why a salesperson would store their data on a USB memory stick rather than a DVD-R
when transporting files back to the office at the end of the working day.
Practice Exam-type questions
1 Describe two features of a USB memory stick that make it suitable for transferring files between computers.
[4 marks]
2 Explain two reasons why an estate agent might decide to store its files using cloud storage rather than on its
own file servers. [4 marks]
3 Explain one advantage of using writeable DVDs instead of writeable CDs for storing data. [2 marks]