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1

For Examiner's Use Name the output devices A, B, C and D using the words from the list. A C B D CRT monitor Dot matrix printer Graph plotter Inkjet printer Joystick Multimedia projector TFT monitor Trackerball A B C D

2. Input and output devices  →  2.3. Output devices and their uses

1. Types and components of computer systems  →  1.2. The main components of computer systems

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2

Ring two items which are storage media. Blu-ray disc CD ROM MICR Motor Sensor Trackerball

3. Storage devices and media  →  3.2. Storage media

3. Storage devices and media  →  3.1. Storage devices

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3

For Examiner's Use Tick TRUE or FALSE next to each of these statements. TRUE FALSE Control software is used to access the internet A Graphical User Interface has windows, icons, menus and pointers Laptop computers are popular because they are portable Word processing software is used to monitor physical variables Presentation software is used to create slide shows

15. Proofing  →  15.1. Software tools

1. Types and components of computer systems  →  1.1. Hardware and software

1. Types and components of computer systems  →  1.4. Types of computer

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4

Complete each sentence below using one item from the list. A bar code reader A dot matrix printer A graphic tablet An inkjet printer A joystick A motor OCR A sensor A trackerball A web camera is used to convert an image into text for use in a word processor. is used to input moving pictures into a computer. is used to output photographs. is an output device used in robotics. is used to read the ISBN from a book.

2. Input and output devices  →  2.3. Output devices and their uses

2. Input and output devices  →  2.1. Input devices and their uses

1. Types and components of computer systems  →  1.1. Hardware and software

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5

A school librarian is preparing a slideshow to explain to students how the library works. Tick three items she could use to prepare and show the slides.
A multimedia projector A dot matrix printer Measuring software A chip reader A remote control Presentation software

19. Presentations  →  19.1. Presentation creation

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6

For Examiner's Use A floor turtle can use the following instructions: INSTRUCTION MEANING FORWARD n Move n mm forward BACKWARD n Move n mm backward LEFT t Turn left t degrees RIGHT t Turn right t degrees PENUP Lift the pen PENDOWN Lower the pen Start Finish Complete the set of instructions to draw this shape by filling in the blank lines. PEN DOWN LEFT 90 FORWARD 60

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7

For Examiner's Use A school has a relational database consisting of a number of tables. One table contains each student’s personal details and others consist of class lists for each subject. Every student has a unique identifying number. Tick whether the following statements are TRUE or FALSE. TRUE FALSE The identifying number is the foreign key in a class list table The student’s surname would be the primary key In order to have relational tables there must be a primary key The school’s database is an example of a flat file

18. Databases  →  18.1. Create a database structure

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8

Tick TRUE or FALSE next to each statement to indicate whether or not it is an example of real time processing. TRUE FALSE Payroll processing Microprocessor controlled central heating The use of robots in manufacture Printing monthly utility bills

18. Databases  →  18.1. Create a database structure

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9

The manager of a supermarket uses a database to store data about the food he sells. This is part of the database. Food type Number in stock Re-order (Y/N) Last order received Potato flakes N 23/10/10 Chocolate bar N 25/10/10 Beefburgers N 24/10/10 Gravy Y 17/10/10 Write down the name of the field which is best suited to the data type given. Boolean Date Alphanumeric Numeric

18. Databases  →  18.1. Create a database structure

20. Spreadsheets  →  20.1. Create a data model

7. The systems life cycle  →  7.2. Design

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10

For Examiner's Use 10 Multi-national companies often use video conferencing instead of face-to-face meetings. Participants already have a PC with keyboard and mouse. Tick four items essential to a video conference.
Web cam Dot matrix printer Magnetic tape drive Modem/Router A trackerball Codec Broadband A telephone List two other items of hardware essential to a video conference.

4. Networks and the effects of using them  →  4.2. Network issues and communication

1. Types and components of computer systems  →  1.4. Types of computer

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11

Most PCs come with a hard disc drive. Give a reason why each of the following are also used with PCs. Magnetic tape CD R DVD ROM

3. Storage devices and media  →  3.2. Storage media

3. Storage devices and media  →  3.1. Storage devices

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12

For Examiner's Use 12 Doctors use expert systems to diagnose illnesses. There are a number of inputs and outputs used with such a system. List four examples of these. Name one other use of expert systems.

6. ICT applications  →  6.8. Expert systems

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13

Draw four lines on the diagram to match the use to its most appropriate input device. Use Input device to input data at an information kiosk Graphics tablet to input data from a product in a supermarket Touch screen to input a PIN Bar code reader to input freehand drawings Numeric keypad

2. Input and output devices  →  2.1. Input devices and their uses

7. The systems life cycle  →  7.2. Design

2. Input and output devices  →  2.2. Direct data entry and associated devices

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14

For Examiner's Use 14 A small office consists of three rooms each of which has a PC with devices connected to it using cables. The office manager thinks the cables are a safety hazard and wants to remove them. Name three devices which could be connected to a PC using Bluetooth. The manager wants to connect the PCs to form a WLAN. Give two disadvantages of this compared to using cabling. The company’s workers are concerned that their data may not be secure. Name and describe three methods, other than authentication techniques, which would help to keep the data more secure.

4. Networks and the effects of using them  →  4.1. Networks

8. Safety and security  →  8.3. Security of data

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15

For Examiner's Use 15 Describe two ways of reducing the risk of RSI. There are sometimes safety risks associated with the use of computers. Describe two ways these risks can be minimised.

5. The effects of using IT  →  5.2. Potential health problems related to the prolonged use of IT equipment

8. Safety and security  →  8.1. Physical safety

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16

Aysha wants to collect details of new customers for entry into a database. She has asked her friend Ali to design a paper-based data capture form for customers to complete. Describe four features of the layout of the form that Ali will need to consider to make it easy for the customer to use.

18. Databases  →  18.1. Create a database structure

7. The systems life cycle  →  7.2. Design

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17

For Examiner's Use 17 A school library is developing a new database of books. After the new system is developed, it will be tested. Name three items of the system which would need to be tested. The school librarian is asking students to rate books which they have read and wishes to include these ratings in the database of books. Each rating will be between 0 and 10. Below are three different types of test data. For each one name the type of test data it represents and explain why it is that type of data.

7. The systems life cycle  →  7.3. Development and testing

18. Databases  →  18.1. Create a database structure

7. The systems life cycle  →  7.1. Analysis

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18

For Examiner's Use 18 When a new system is implemented, different types of documentation are provided. Identify two items which would be found in both technical documentation and in user documentation. Identify two items which would be found in user documentation but would not be found in technical documentation.

7. The systems life cycle  →  7.5. Documentation

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19

Explain what is meant by software copyright. Explain how software manufacturers attempt to prevent copyright being broken.

9. Audience  →  9.2. Copyright

8. Safety and security  →  8.3. Security of data

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20

For Examiner's Use 20 A car manufacturer has laser printers, graph plotters and dot matrix printers. Explain why each of these is used.

2. Input and output devices  →  2.3. Output devices and their uses

6. ICT applications  →  6.7. Computers in medicine

2. Input and output devices  →  2.1. Input devices and their uses

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21

VOIP is an example of an internet telephony service. Describe four advantages of using VOIP rather than sending messages using email.

10. Communication  →  10.2. Effective use of the internet

4. Networks and the effects of using them  →  4.2. Network issues and communication

4. Networks and the effects of using them  →  4.1. Networks

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