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Data security, data integrity, backups & archiving
Here are some related past paper questions to try:
1) A computer user enters data into a database. The user has to enter a four-figure serial number e.g. 1234.
a) Give one method used to verify the serial number. [1]
One answer from:…

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Restrict access to only those users who use anti-virus software
Do not connect the computer to a network OR use the computer as a stand-alone computer.
Keep software updated by regularly downloading patches/updates from software manufacturers' websites.
6) A doctor holds confidential data on a network. State three different ways…

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Get 3 marks for: Making 1 valid point with 2 examples/expansions
Get 3 marks for: Making 3 valid points

Get 4 marks for: Making 2 valid points with 2 examples/expansions
Get 4 marks for: Making 1 valid point with 3 examples/expansions
Get 4 marks for: Making 3 valid points with…

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access forbidden websites & then Barry gets in trouble for it
Denise might log into Barry's area & delete his work so he has to do it again
change his work so that it is no longer correct
copy his work then pretend it is her own (plagiarism) & Barry…

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It is a program/piece of software.
It deletes data and/or damages/corrupts data and/or alters data and/or causes computer to crash. (Remember,
viruses do NOT damage hardware, they damage/corrupt programs & files)
A virus copies/replicates itself, sends copies of itself to other computers.
b) Barbara has some important files on her…

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20) A cinema is to use a computer booking system. Part of the system will accept bookings for up to 6 seats. A table
of test data is drawn up to test this part of the system. Complete the table below. The first test has been done
for you. [6]…

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It is easier to compare the prices available at different online shops than it is to compare the prices available at
different real shops as the online shop prices can all be compared sitting at your computer whereas to compare the
real shop prices you have to walk round lots…

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Floppy disks · re-usable · small capacity
· slow to access
· easily lost
· easily damaged
· some computers have no floppy drive
If you say an advantage is that the storage medium is cheap to buy you will only get the mark if you compare it to
another…

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b) What is meant by the term extreme data? [1]
One answer from:
Data at the end/edge of the allowable range
The lowest allowable number
The highest allowable number
c) People using a library can borrow up to six books at a time. The library needs to test its new…

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Get 3 marks for: Making 3 valid points

Get 4 marks for: Making 2 valid points with 2 examples/expansions
Get 4 marks for: Making 1 valid point with 3 examples/expansions
Get 4 marks for: Making 3 valid points with 1 example/expansion
Get 5 marks for: Making 3 valid points with…

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