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1

Explain what is meant by the term software. State the two types of software used by computers.

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

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2

Tick ( ✓) the device which produces hard copy. A Buzzer B Laser printer C Touch screen D Webcam

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

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

3. Storage devices and media  →  3.2. Storage media

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3

State three items that should be included in the technical documentation of a computer system. 1 10

7. The systems life cycle  →  7.5. Documentation

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

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4

Young people use the internet for research and communication. Search engines can be used to research information on the internet. Describe three benefits of using a search engine to find information. Social media can be used to communicate with friends. Give four precautions that young people should take when using social media. [Turn over 1 10

10. Communication  →  10.2. Effective use of the internet

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5

The number of people using online shopping has increased. This has led to an increase in the number of journeys for the delivery drivers. Describe how an expert system can be used to produce the best route for the delivery of items.

6. ICT applications  →  6.8. Expert systems

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

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6

Bluetooth is a method of wireless communication. State two devices found in the home which could be connected via Bluetooth. 1 10

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

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7

Describe the characteristics of a primary key and a foreign key. Primary key Foreign key

18. Databases  →  18.1. Create a database structure

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8

Many devices in the home can connect to the internet. These are called smart devices. Describe four benefits of using these smart devices. [Turn over 1 10

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

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

10. Communication  →  10.2. Effective use of the internet

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9

A web page can contain three web development layers. One of these is the content layer. State one use of the content layer. Identify the other two web development layers and give a use for each. Use Use

21. Website authoring  →  21.1. Web development layers

21. Website authoring  →  21.2. Create a web page

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10

Some computers have touch screens. Describe three benefits of using a touch screen. 1 10

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

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11

A student has downloaded a file which contains a virus. Describe the possible effects on his computer system if he opens the file. Explain how the student could prevent the computer from being infected by viruses. Some files containing viruses have to be quarantined as they cannot be deleted. State the type of files that may have to be quarantined rather than deleted. Explain how the software detects and quarantines the file. [Turn over 1 10

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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12

A tennis coach is creating a presentation to explain to teenagers the basics of playing tennis. Describe the design features that must be included to make the presentation appeal to the teenagers. The designer needs to be aware of copyright legislation when creating the presentation. Explain the need for copyright legislation.

9. Audience  →  9.2. Copyright

19. Presentations  →  19.1. Presentation creation

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13

People can watch a movie either by streaming or from a Blu-ray disc. Give two advantages of watching the movie by streaming rather than from a Blu-ray disc. 1 10

3. Storage devices and media  →  3.2. Storage media

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

3. Storage devices and media  →  3.1. Storage devices

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14

Compare RAM and ROM. Your answer must include similarities and differences.

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

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

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15

Tawara Stores is a small company that does not make much profit. The managing director is deciding whether to implement a new IT system using direct changeover or parallel running. Describe the advantages and disadvantages of using direct changeover compared with parallel running in this scenario. [Turn over 1 10

7. The systems life cycle  →  7.4. Implementation

7. The systems life cycle  →  7.1. Analysis

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16

A school car park is controlled by a barrier. When teachers enter the car park their number plate is read and the barrier is raised automatically. pressure sensor motor microphone keypad speaker camera Visitors can use the keypad as an input device to enter a code which allows the barrier to be raised. Identify three other input devices shown in . 1 10 Automated Number Plate Recognition (ANPR) is used to read and check the number plate of the vehicle. Discuss the benefits and drawbacks of using an ANPR system. Please turn over for Question 17. [Turn over 1 10

6. ICT applications  →  6.10. Recognition systems

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

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17

Verification and validation are used to check data. Identify and describe two methods of verification. Method 1 Description Method 2 Description Explain the following validation checks. Presence check Type check

15. Proofing  →  15.1. Software tools

7. The systems life cycle  →  7.2. Design

15. Proofing  →  15.2. Proofing techniques

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