Applied Ict

Topics: GCE Advanced Level, General Certificate of Secondary Education, Full-time Pages: 9 (2160 words) Published: October 20, 2012
GCE Advanced Subsidiary Level and GCE Advanced Level

MARK SCHEME for the May/June 2012 question paper for the guidance of teachers

9713/12 Paper 1 (Written A), maximum raw mark 80

This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began, which would have considered the acceptability of alternative answers. Mark schemes must be read in conjunction with the question papers and the report on the examination.

• Cambridge will not enter into discussions or correspondence in connection with these mark schemes.

Cambridge is publishing the mark schemes for the May/June 2012 question papers for most IGCSE, GCE Advanced Level and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses.

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Mark Scheme: Teachers’ version GCE AS/A LEVEL – May/June 2012

Syllabus 9713

Paper 12

Three from: Can be sure all targeted customers are reached/not everybody will see the website It is more personal so will attract customers It is more interactive/questions can be answered immediately Can see immediately how successful advertising campaign is/know reasonably accurately how many customers they will have Easier to persuade customers to purchase computers Can contact customers who don’t already have a computer so would not see the website/can contact customers whose internet speed is so slow they are reluctant to use it and so might not see the website [3] Five from: temperature sensor monitors temperature of room (number pad) to input the required temperature. Data from the sensors converted to digital (using an ADC) Microprocessor compares temperature data from the sensor with the pre-set value If the temperature is higher/lower than preset value a signal is sent… …. to the actuator if lower microprocessor/actuator switches the heater on if higher microprocessor/actuator switches the heater off Digital to analogue conversion required microprocessor sends data to LEDs indicating the current room temperature Description of PID Description of PLC (a) Three from: be well motivated have good communication skills have good self-discipline/doesn’t require supervision have good time management skills/can meet deadlines be well organised





(b) Three from: Might miss the personal contact with colleagues/more difficult to discuss ideas with colleagues Home based telework is inappropriate for some people, Many homes are not well equipped for some kinds of telework Young children might demand attention/friend might drop in and distract programmer/dog might need to be taken for a walk/therefore distracting them from work May be difficult to find a suitable office space in the home May be difficult to impress manager giving reduced promotion prospects [3] (c) Three from: Don’t have to spend so much on utilities Don’t have to pay travelling expenses for conferences Increased productivity due to more content workforce/improved motivation More likely to retain staff so don’t have to spend money on retraining Lower costs due to flexible staffing Lower costs as can rent smaller/as many offices


© University of Cambridge International Examinations 2012

Page 3

Mark Scheme: Teachers’ version GCE AS/A LEVEL – May/June 2012

Syllabus 9713

Paper 12

(d) Three from: Saves time/trouble of going to the fax machine to retrieve/send faxes Equipment costs are lower as there is no need for a dedicated fax machine/phone line Description of why running costs are lower Confidential faxes are more secure/on a manual fax any worker could pick it up Faxes can be downloaded remotely/don’t have to be in office to receive faxes It is easier to send...
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