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1

For Examiner's Use Name the devices A, B, C and D using the words from the list. B C D A Digital camera Joystick Microphone Pen drive Scanner Touch pad Trackerball Webcam A B C D

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

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

3. Storage devices and media  →  3.1. Storage devices

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2

Ring two items which are input devices. Flash memory card Graph plotter Graphics tablet Laser printer Magnetic disc Touchpad

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

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

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

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3

Tick TRUE or FALSE next to each of these statements. TRUE FALSE Presentation software is used to create slide shows Laptop computers do not have USB ports DTP software can be used to produce databases Measurement software is used to create magazines Buzzers are input devices

15. Proofing  →  15.1. Software tools

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

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

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4

For Examiner's Use Complete each sentence below using one item from the list. A bar code reader A dot matrix printer A graphics tablet A laser printer A microphone A multimedia projector A presence check A speaker A temperature sensor A web cam is used to input data about products at a POS. is used to produce high quality hard copy. sends data to a microprocessor in a washing machine. is used to input freehand drawings to a computer. is used to output sounds from the computer.

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

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

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

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5

A school teacher is creating a slide show to describe a typical week in her life. Tick three items of hardware which she would use.
Database Keyboard Spreadsheet Animation Microphone Video camera She has been advised that it could be easier to use a Blog rather than create a slide show. Give one advantage and one disadvantage of using a Blog. Advantage of Blog Disadvantage of Blog

10. Communication  →  10.2. Effective use of the internet

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

6. ICT applications  →  6.3. Computer controlled systems

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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 REPEAT n Repeat the following instructions n times END REPEAT Finish the REPEAT loop 60° 50 mm start Complete the set of instructions to draw this shape by filling in the blank lines. PEN DOWN REPEAT RIGHT

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7

For Examiner's Use Draw four lines on the diagram to match the use to its most appropriate output device. Use Output device to produce very large high quality hard copy dot matrix printer to display data from a computer on to a large screen plotter to alert mobile phone users to incoming calls multimedia projector to output multipart forms buzzer

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

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

7. The systems life cycle  →  7.1. Analysis

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8

A school keeps records of its students, using many different types of data. Explain what is meant by Boolean, alphanumeric and numeric data, using examples of student data. Boolean Meaning Example Alphanumeric Meaning Example Numeric Meaning Example

18. Databases  →  18.1. Create a database structure

7. The systems life cycle  →  7.2. Design

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9

For Examiner's Use Tick TRUE or FALSE next to each statement. TRUE FALSE Records are updated immediately when using online processing A transaction file is often created when batch processing is used The processing of bank cheques is an example of batch processing Batch processing is needed for operating ATMs

15. Proofing  →  15.2. Proofing techniques

15. Proofing  →  15.1. Software tools

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10

A group of doctors want to have an expert system to help them with their diagnoses. Describe how such a system would be created.

6. ICT applications  →  6.8. Expert systems

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11

For Examiner's Use 11 The manager of a bookshop uses a database to store data about the books she sells. This is part of the database. Title of book Fiction (Y/N) Number in stock Next order due Full Circle N 20/06/11 Sanditon Y 08/07/11 Vanity Fair Y 16/10/11 The Old Curiosity Shop Y 23/06/11 Pride and Prejudice Y 23/06/11 Sense and Sensibility Y 02/10/11 The Moon’s a Balloon N 21/08/11 How many fields are there in this part of the database? How many records are there in this part of the database? The records shown are to be sorted in ascending order of Number in stock. What will be the title of the book which will be the first record in the database after it has been sorted? What is the title of the book which has no more than 12 copies in stock and is not Fiction? Describe a validation check which could be carried out on the Next order due field.

20. Spreadsheets  →  20.1. Create a data model

7. The systems life cycle  →  7.2. Design

8. Safety and security  →  8.3. Security of data

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12

For Examiner's Use 12 The main memory in computers is becoming very large. Give three reasons why backing storage is still needed.

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

3. Storage devices and media  →  3.1. Storage devices

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13

A large company has a LAN. The manager of the company wants to allow all the network users to access the internet and communicate with other companies. Describe the hardware and software he would need in order to achieve this. Give three disadvantages to the manager of allowing workers to access 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

10. Communication  →  10.2. Effective use of the internet

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14

For Examiner's Use 14 Describe two safety issues, caused by working with computers. For each safety issue give a method of prevention. Do not use the same method for both answers. Safety issue 1 Method of prevention Safety issue 2 Method of prevention

8. Safety and security  →  8.1. Physical safety

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

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

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15

Eric wants to type in details of new customers into a database. He needs to design an on-screen input form. Describe four features, apart from navigational aids, of a well-designed on-screen input form.

18. Databases  →  18.1. Create a database structure

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

7. The systems life cycle  →  7.2. Design

Open

16

For Examiner's Use 16 After a system has been implemented it needs to be tested. Describe two testing strategies and state a reason why each is needed. Strategy 1 Reason 1 Strategy 2 Reason 2

7. The systems life cycle  →  7.6. Evaluation

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

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17

Many homes now have microprocessor controlled burglar alarm systems. Name two sensors used in such a system and for each explain what it is used for. Sensor 1 Use Sensor 2 Use For Examiner's Use Describe the role of the microprocessor in such a system. There are many microprocessor controlled devices in the modern home. Describe the effects of these on people’s lifestyles.

5. The effects of using IT  →  5.1. Microprocessor-controlled devices

7. The systems life cycle  →  7.1. Analysis

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18

For Examiner's Use 18 A head teacher wants to send the school magazine to parents. Discuss the advantages and disadvantages of sending it by email or delivering it by hand.

10. Communication  →  10.1. Communication with other ICT users using email

7. The systems life cycle  →  7.1. Analysis

6. ICT applications  →  6.1. Communication

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19

For Examiner's Use 19 International companies may use video conferencing instead of face to face meetings. Describe the use of three hardware devices in video conferencing. Describe two advantages to the company of such a system.

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

7. The systems life cycle  →  7.1. Analysis

Open

20

For Examiner's Use 20 Encrypted data is used in on-line banking. Describe encryption.

8. Safety and security  →  8.3. Security of data

Open