Backups
Click here to link to the OCR text book - Read pages 67 to 71 then complete the tasks below
15. Why might people use USB memory sticks rather than re-writeable CDs to transfer files between
computers?
16. Why do some businesses forbid their employees to send confidential information by email?
17. Why does the transfer of large files seem quicker over wired networks than over wireless networks?
18. Why do banks make backups of their files so often?
19. What is meant by an incremental backup?
20. What is meant by a disk image?
21. Why would a home user choose to make backups on DVD-Rs and not a tape system?
22. Why are USB memory sticks often chosen by home users to keep copies of their files?
Practice these Exam questions
1 Explain why organisations keep archives of their computer files. [2 marks]
2 Explain why a bank creates backups of transactions every few
minutes but a small shop creates a backup only once a day. [4 marks]
15. Why might people use USB memory sticks rather than re-writeable CDs to transfer files between
computers?
16. Why do some businesses forbid their employees to send confidential information by email?
17. Why does the transfer of large files seem quicker over wired networks than over wireless networks?
18. Why do banks make backups of their files so often?
19. What is meant by an incremental backup?
20. What is meant by a disk image?
21. Why would a home user choose to make backups on DVD-Rs and not a tape system?
22. Why are USB memory sticks often chosen by home users to keep copies of their files?
Practice these Exam questions
1 Explain why organisations keep archives of their computer files. [2 marks]
2 Explain why a bank creates backups of transactions every few
minutes but a small shop creates a backup only once a day. [4 marks]