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GCE

Information & Communication Technology
Advanced GCE A2 H517
Advanced Subsidiary GCE AS H117



Mark Scheme for the Units

January 2010




H117/H517/MS/10J


Oxford Cambridge and RSA Examinations

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OCR (Oxford Cambridge and RSA) is a leading UK awarding body, providing a wide range of
qualifications to meet the needs of pupils of all ages and abilities. OCR qualifications include
AS/A Levels, Diplomas, GCSEs, OCR Nationals, Functional Skills, Key Skills, Entry
Level qualifications, NVQs and vocational qualifications in areas…

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CONTENTS


Advanced GCE Information and Communication Technology (H517)

Advanced Subsidiary GCE Information and Communication Technology (H117)



MARK SCHEME ON THE UNITS


Unit/Content Page

G061 Information, Systems and Applications 1

G063 Systems, Applications and Implications 15

Grade Thresholds 35

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G061 Mark Scheme January 2010


G061 Information, Systems and Applications
Question Expected Answer Mks
1 (a) Describe two advantages of using direct sources to gather information
to be included in the user guide.
2 from. 2 marks each:
Accuracy (1) the information can be trusted to be correct (1)
Availability…

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G061 Mark Scheme January 2010

Question Expected Answer Mks
2 (a) What is a backup?
A copy (1) [1]
(b) Give one situation where the company might need to use the backup.
One from, examples:
Hard drive failure/fire/theft/corrupt (1) [1]
(c) The company has chosen to use a USB memory…

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G061 Mark Scheme January 2010

Question Expected Answer Mks
(d) Identify two output devices that could be used with an electronic till.
2 from:
Speaker (1)
LED (1)
Printer (1)
Monitor/display (1) [2]
(e) Describe two reasons why the computers should be networked.
2 from, 2 marks each, for example:…

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G061 Mark Scheme January 2010

Question Expected Answer Mks
4 (a) Draw the entity relationship diagram making sure that the degree of
each relationship is identified.

CUSTOMER ORDER SALESPERSON




ORDER_LINES




TILL


CUSTOMER ­ ORDER ­ SALESPERSON (1)
TILL ­ ORDER_LINES - ORDER (1)

CUSTOMER ­ ORDER 1:M (1)
SALESPERSON ­…

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G061 Mark Scheme January 2010

Question Expected Answer Mks
(c) Explain why text has been chosen as the data type for the telephone
number.
1 from:
So that the leading 0 can be stored (1) and the number stored correctly (1)
So that spaces/brackets can be stored (1) so that…

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G061 Mark Scheme January 2010

Question Expected Answer Mks
6 (a) Describe two other characteristics of spreadsheet software that the
company could use to model future sales.
2 from, 2 marks each:
(auto)Recalculation (1) when a value is changed all related
functions/formulae automatically update (1)
Cell references (1) referencing other…

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G061 Mark Scheme January 2010

Question Expected Answer Mks
7 Describe the characteristics of a stock control system.
Max 3 pairs from, allow mix and match eg:
To have a list of all stock items (1) e.g name/ID number/bar code (1)
To have a list of all components for the…

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