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1

For Examiner's Use Name the storage media A, B, C and D using words from the list. A B C D blu-ray disc chip flash memory card hard disc magnetic stripe magnetic tape pen drive touch pad A B C D

3. Storage devices and media  →  3.1. Storage devices

3. Storage devices and media  →  3.2. Storage media

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2

Ring two items which are output devices. disc drive laser printer light pen microphone TFT monitor web cam

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  →  1.2. The main components of computer systems

Open

3

For Examiner's Use Tick hardware or software next to each item as appropriate. hardware software virus checker keyboard chip mobile phone

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

7. The systems life cycle  →  7.1. Analysis

Open

4

Complete the following sentences using the most appropriate device from this list. A graphics tablet A dot matrix printer An inkjet printer A joystick A keypad A multimedia projector is used to print high quality photographs. is used to input freehand drawings. is used to input preset values into control systems. is used to show slides. is used to control a flight simulator.

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

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

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

Open

5

For Examiner's Use Name and describe three ICT methods which could be used to help prevent illegal access to computer networks.

8. Safety and security  →  8.3. Security of data

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

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6

Describe three features of a social network site.

8. Safety and security  →  8.2. eSafety

10. Communication  →  10.2. Effective use of the internet

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7

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 Start Finish 60° NOT TO SCALE Complete the set of instructions to draw this shape by filling in the blank lines provided. Do not use additional lines. PENDOWN FORWARD 70 FORWARD 80

Open

8

For Examiner's Use There is a public library in New York. The librarian uses a computer to keep records of borrowers as well as records of the books in the library. The borrower file is stored on a hard disc. State the type of access needed to retrieve a single record quickly. When a borrower comes in for a book they show their membership card. Give a method of data input which could be used instead of typing in the borrower’s membership number. Give two reasons why your method in is better than typing in the membership number. Describe how the librarian could create a relational database using the data already held in the borrower file and the book file.

18. Databases  →  18.1. Create a database structure

6. ICT applications  →  6.7. Computers in medicine

8. Safety and security  →  8.3. Security of data

Open

9

For Examiner's Use Describe, including the uses of the hardware and software, what is meant by video conferencing.

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

7. The systems life cycle  →  7.1. Analysis

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10

There are many safety issues associated with the use of computers. Tick three of these issues.
Back ache from bad posture Electrocution from touching bare wires Fire from overloading electric sockets Headaches from staring at the screen continuously Injury caused by tripping over trailing wires RSI in the fingers

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

Open

11

For Examiner's Use 11 A greenhouse is controlled by a computer. Other than a temperature sensor name two sensors used in the greenhouse. Explain why computers are unable to read the data directly from these sensors. Describe what is meant by a pre-set value and how it is used by the computer to help it control the temperature of the greenhouse.

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

6. ICT applications  →  6.8. Expert systems

7. The systems life cycle  →  7.1. Analysis

Open

12

For Examiner's Use 12 A store uses EFTPOS terminals at all of its checkouts. Identify two input devices which would be used at each EFTPOS. Describe the computer processing which takes place in order to determine if a product needs re-ordering.

6. ICT applications  →  6.9. Computers in the retail industry

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13

For Examiner's Use 13 Abdul owns a large factory. He has asked Imran, a systems analyst, to create a new database system for keeping records of his workers and their pay. Imran will collect information about the existing system. Identify three methods he would use to do this. After collecting information, Imran found that each worker has an ID which consists of one letter followed by five digits. He also found that no worker earns more than $500. He wrote down two of the questions that Abdul might ask when using the database, such as: What is the phone number of the worker whose ID is L67123? How much does Sunil Kapoor earn? Complete the data dictionary table below giving the field names which would be used in the database in order to answer these questions. State the data types which would be used for each field. Field name Data type First_name Text Phone_number Worker_ID For Examiner's Use Identify three items of test data which could be used to test the Worker_ID field, giving a reason for each choice. Item 1 Reason Item 2 Reason Item 3 Reason

18. Databases  →  18.1. Create a database structure

7. The systems life cycle  →  7.2. Design

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14

For Examiner's Use 14 Joanne runs a large company. Her computer network has a large capacity server. She is investigating ways of backing up the data on the server. Describe what is meant by a backup. Joanne has to choose between using magnetic disc or magnetic tapes to make her backups. Discuss the advantages and disadvantages of using each of these media.

3. Storage devices and media  →  3.2. Storage media

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

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15

For Examiner's Use 15 Explain the differences between phishing and pharming.

8. Safety and security  →  8.3. Security of data

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

Open

16

A company decides to introduce robots to the production line to manufacture cars. Discuss the advantages and disadvantages to the workers of introducing robots rather than using humans to manufacture cars.

6. ICT applications  →  6.3. Computer controlled systems

6. ICT applications  →  6.2. Modelling applications

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17

For Examiner's Use 17 Describe some of the benefits and drawbacks of students using the Internet to do research for homework.

10. Communication  →  10.2. Effective use of the internet

Open