ICT Mock Paper Tier H – Answers and Mark Scheme

GCSE BITESIZE Examinations General Certificate of Secondary Education ICT HIGHER TIER MARKING SCHEME Total marks 90

Q. 1

• •

• • • •

Change the font style to make the heading bold so it is easy to see Change the font colour for the heading / change border colour/ change background colour to make the advert stand out. Insert an image of a plumber / pipes / tools to make the advert more interesting Increase the size of the font to make the heading stand out Add an interesting border so the whole advert is easy to see Centre the text to make the advert better balanced

(4 marks)

Q. 2

Laser printer - output Scanner - input Floppy disk - storage Bar code read - input Mouse - input Speaker - output

(6 marks)

Q. 3

1 mark for each

(3 marks)

File: A collection of related records / A collection of records with the same structure Record: All the data in a file about one person or thing Field: A single data item within a record Q. 4

A C F

( 3 marks)

Q. 5a

heat / magnetic fields / water / dirt / accidental deletion

(2 marks)

Q. 5b

Use virus checking software and keep it up to date

(2 marks)

Q. 6a

1 mark for each difference LAN is connected by cables, WAN is connected by telephone/communications links LAN in a small area / one building , WAN can be world-wide / all over country

(2 marks)

Q. 6b

LAN/Local Area Network

Q. 6c

It will cost less than using dialup for long periods Access to the internet will be faster Will allow voice calls on the same line at the

(1 mark)

(2 marks)

same time

Q. 6d

The answer must make reference to both the technological and social/working implications of video-conferencing. Any sensible suggestion backed up by reason.

Advantages Able to communicate over long distances in both sound and video Video enables pictures to be shown Larger group of people to be able to make decisions Social Less travelling / reduce costs / save fuel / less pollution / less disruption to family life Disadvantages Technology may fail over long distances Expensive to set up and maintain Requires high speed connections – e.g. broadband. Social Face to face meetings enable participants to get ‘feel’ of other people’s views Understanding of body language / eye contact / innuendo Different time zones could disrupt normal work patterns Q. 7a

Q. 7b

Q. 7c

Q.8a

1 mark for method 1 mark for reason if method is correct

OCR/ Optical Character Recognition Because number is made up of printed characters 3 5 4 2 1 6 or 3 6 4 2 1 5 Correct sequence 4 marks One incorrect answer 3 marks Two incorrect marks 2 marks One or zero correct 0 marks Allow abbreviated commands.

(7 marks)

(2 marks)

(2 marks)

(4 marks max)

(1 mark) Penup Forward 5 Pendown Forward 10 Right 90 Forward 10 Right 90

(1 mark)

Forward 5 Left 90 Forward 5 Left 90

(1 mark)

Forward 5 Right 90 Forward 5 Right 90

(1 mark)

Forward 10 Right 90 Forward 25 Right 90 Penup Forward 15 (or forward 10 forward 5) Pendown Forward 5

Q.8b Q.8c

Q.8d

Q.8.e

Right 90 Forward 25 Right 90 Forward 5 -----------------------------------------------------------Input Process Output A device will have a sequence of commands to control its function. This sequence will continue until stopped manually whatever else occurs.

(1 mark)

(1 mark)

----------------------------------(1 mark)

(1 mark)

(1 mark)

Arrow from last box to first box with arrow pointing to the first box.

Temperature sensor attached to baby’s skin (ot heat sensor) set up optimum temperature Connection to a computer / microprocessor that continuously monitors temperature by feedback and checks continuously against optimum temperature If temperature rises then alarm triggered ( flashing light / bell or other sensible suggestion) Nurse checks baby’s temperature / takes appropriate action

(4 marks)

(1 mark)

Q. 9ai

B2

Q. 9aii

D2

Q. 9bi Q. 9cii

B2*C2 SUM(D2:D8) / D2+D3+D4+D5+D6+D7+D8

(1 mark) (1 mark)

Q. 9ci

D2+D3

(1 mark)

D10

(2 marks)

Q. 9cii Q. 9ciii

D10-D12 or sum(D4:D8) D13/6

Q. 9d

Paula is able to ask ‘what-if’ type of questions to test outcomes and make further choices/decision based new data. Evidence from Paula’s model comes from the change in formulae used in the spreadsheet A field that uniquely identifies each record / field where value will be different in each record

Q. 10a

Q. 10b(i) Q. 10b (ii) Q. 10c

(1 mark) (1 mark)

(3 marks) (1 mark)

supplier code item code

(1 mark) (1 mark)

supplier code in suppliers table; links to supplier code in item table

(1 mark)

(2 marks)

Q. 10d less than Q. 10e • • • Q. 10f • • • •

Automatic ordering saves staff time Stock can be managed more efficiently so less storage space is needed Less likely to run out so customers will be More likely to use the store Can usually get what they want because items should be in stock Less stock is held in storage and therefore stock will be fresher Goods could be cheaper as stock control is more efficient

(1 mark)

(1 mark)

Q. 11

1 mark for each of the principles below. (max 5 marks) • • • • • • • •

Personal data must be collected and processed fairly and lawfully Personal data must be obtained for specific purposes and can’t be used for any other purposes Personal data must be adequate, relevant and not excessive Personal data must be accurate and up to date Personal data must not be kept longer than necessary Personal data must be processed with regard to the rights of the data subject Personal data must be kept safe and secure Personal data cannot be transferred outside the European Union unless the country has similar laws protecting data subjects

(5 marks)

Cause : screen glare/faulty monitor/light shining on screen Risk reduced by: Use of filter/replacing faulty monitor/use of blinds or correct lighting

(2 marks)

Q. 12b

Cause : repeating the same movements frequently Risk reduced by: providing wrist support/varying work/ taking regular breaks

(2 marks)

Q. 13a

Student can use either real-time or remote logging, but must say which Real time Connect temperature sensor to the datalogger Connect to computer Load and run software Select suitable time span (several hours) / choose sampling time 60-120 per minute Stop and save results

Q. 12a

Remote Connect sensor Check battery/ies OK / replace with new Select recording time / start stop time Protect equipment / sensor submerged At end of investigation stop and save data Connect data logger to computer to load and analyse results / transfer to spreadsheet / use data logger software

Q.13b

Datalogging enables investigation to be set up and left undisturbed for long periods of time enabling student to do other work More efficient use of time Less boredom in taking readings Data recording and stored is not subject to possible human errors Data transferred automatically to graphs that represent the data accuately Graph data can be manipulated / zoom / magnified for more accurate interpretation Graph(s) can be printed out directly

(4 marks)

(5 marks)