Ict Higher Questions

7/27/2019 Ict Higher Questions

1/13

GCSE BITESIZE Examinations

General Certi ficate of Secondary Education

ICTHIGHER TIER

Time allowed 1 hour 30 minutes

Total marks: 90Answer al l questions in the spaces provided


2/13

1. The advert below is used by a plumber to advertise his business.

MACS PLUMBINGAND HEATING

All plumbing and

heating repairs carriedoutReasonable ratesPhone 01027 191 191

Describe fourdifferent ways in which the plumber could use features of a desk-top publishingpackage to make his advert more effective.

1..

.

2

..

3.

4..

(4 marks)

4

2. For each of the following, state whether the device is an input device, an output device or astorage device.

Laser printer ..

Scanner ..

Floppy disk ..

Bar code reader ..

Mouse ..

Speaker ..(6 marks)

6


3/13


4/13

6. A Solicitors Partnership has branches in several towns. Each office has severalcomputers all connected to a network. Staff at the different offices communicate by email.

a) Give two differences between a LAN and a WAN

1.

2.

(2 marks)

b) Which type of network would be suitable within one of the offices?

.(1 mark)

c) The Solicitors are considering getting a broadband connection for each of theiroffices. Give two reasons why they should do this rather than continuing to use ordinarydialup access through modems in each branch.

1.

2.

(2 marks)

d) The partnership is expanding and opening offices in France and Australia. It has beenadvised that video conferencing facilities would benefit the solicitors. Discuss theadvantages and disadvantages of video conferencing for the partnership and its members.

.

.

.

.

..

..

.

.

.(7 marks)

12


5/13

7. Data is often collected using automated methods including Optical Character Recognition(OCR), Magnetic Ink Character Recognition (MICR), Optical Mark Recognition (OMR),Magnetic Strip reading and Bar Code reading.

For each application state which of these methods would be the best choice.Explain why it is most suitable.

a) Reading the account number on a gas bill.

Method ..

Reason

.

.(2 marks)

b) Reading data from a cheque.

Method ..

Reason

.

.(2 marks)

c) Many people now pay for their goods using a credit or debit card. Shops and businessesrefer to this as Electronic Funds Transfer at the Point of Sale, abbreviated as EFTPOS.

Sarah has just received a new card which she signs immediately. She wants to use thecard to purchase a new DVD. The following list describes key features of using this systemto pay for goods. Use the numbers 1 to 6 to indicate the correct sequence for a successfulEFTPOS transaction.

The card is swiped through the reader at the till

Banks computer checks account to ensure that there is sufficient money in thecustomers account

Connection to customers bank through the telephone system

Sarah enters herPIN number

Sarah validates the card for use

Bank system carries out a check against stolen cards

(4 marks)

8


6/13

8. Instructions are used to control a small robot that draws lines. The instruction set includesthe following commands:

Penup raises the pen above the paperPendown lowers the pen onto the paperForward n move forward n cmBack n - move backward n cm

Left n turn left n degreesRight n turn right n degrees

The robot starts in the position shown, facing in the direction of the arrow with the pen onthe paper.

(a) Write the instructions needed to draw the pattern shown below.

5 cm

5 cm

25 cm

5 cm

5 cm

10 cm

START

.. ..

.. ..

.. ..

.. ..

.. ..

.. ..

.. ..

.. ..

.. ..

.. ..

.. ..

.. ..

(6 marks)


7/13

(b) In the boxes below, write the essential features of a control system in the correct order.

(1 mark)

(c) Describe the term open loop system

(1 mark)

(d) Modify the diagram above to show a closed loop system

(1 mark)

(e) A baby born prematurely must have its body temperature monitored continuously. Describe acontrol system that would enable a nurse to monitor a babys temperature and know when to takeaction if the babys temperature becomes too high.

..

..

..

..

..

..

(4 marks)

13


8/13


9/13


10/13

(1 mark)

f) Give one way in which this system could benefit customers.

(1 mark)

8

11. Give five of the principles contained in the Data Protection Act of 1998.

1. ..

2. ..

3. ..

4. ..

5. ..

(5 marks) 5


11/13

12. The health problems given below are all related to use of ICT equipment. For the problemsbelow, state the cause and explain how the risk of the problem arising can be reduced.

a) Headaches

Cause .

How risk can be reduced ...

(2 marks)

b) Repetitive Strain Injury (RSI)

Cause .

How risk can be reduced ...

5

(2 marks)


12/13

13 A student was asked to investigate how a small plastic bottle of water could be cooled fordrinking later. She chose to use a small insulated jacket that had been stored overnight in a deepfreeze. The plastic bottle could be fitted inside the jacket. She tested how effective the jacket wasby using used data logging equipment.

(a) Describe how the data logging would be used in this investigation.

.

.

.(4 marks)

The graphs below were obtained by the student at the end of her investigation.

Graph B

Graph A

Time of investigation (hours)

43210

20 deg C

0 de C

50 deg C

0 deg C

0 1 2 3

Time of investigation (hours)

(b) Investigations using datalogging equipment provide the student with more accurate results.Using the data from this investigation only, discuss this statement.

..

..

..

..

..


13/13

..

..

..(5 marks)

9

Ict Higher Questions

Documents

Transcript of Ict Higher Questions