Mark Scheme 2010

For January 2010

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  • Created on: 29-04-12 14:59
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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 such as IT, business,
languages, teaching/training, administration and secretarial skills.
It is also responsible for developing new specifications to meet national requirements and the
needs of students and teachers.…read more

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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…read more

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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.…read more

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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 stick for storing the
backup. Explain why this is an appropriate storage device to use.…read more

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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.…read more

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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 ­ ORDER 1:M (1)
ORDER ­ ORDER_LINES 1:M (1)
TILL ­ ORDER_LINES 1:M (1) [6]
(b) Identify two characteristics of data in second normal form.…read more

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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 the dialling code can be
differentiated from the number (1)
So that textual telephone numbers can be stored (1) e.g.…read more

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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.…read more

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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.…read more

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