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Part 3 Q11 to Q15 of National 5 Prelim
Revision Part 3 Q11 to Q15 of National 5 Prelim
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Revision Part 3 11 If a hacker gained unauthorised access to your system what security measure could keep your data safe. 1 12 Describe how a computer system would represent a number with decimal places, eg 3.14. 2 13 State the 3 data types used for a database when storing a name, a phone number and if they have paid their subscription. 3 14 State the programming language used to provide interactivity on a webpage, for example when a user moves their mouse over a picture to zoom in. 15 Identify the data type and structure used when storing a list of exam results.
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Revision Part 3 11. If a hacker gained unauthorised access to your system what security measure could keep your data safe. (1) Encryption. Password secured file.
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Revision Part 3 12. Describe how a computer system would represent a number with decimal places, eg (2) Using a Mantissa and Exponent.
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Revision Part 3 13. State the 3 data types used for a database when storing a name, a phone number and if they have paid their subscription. (3) Name = TEXT Phone Number = TEXT Paid Subscription = BOOLEAN (YES/NO)
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Revision Part 3 14. State the programming language used to provide interactivity on a webpage, for example when a user moves their mouse over a picture to zoom in. (1) Javascript
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Revision Part 3 15. Identify the data type and structure used when storing a list of exam results. (2) Data Type = Integer Data Structure = Array
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