Information Technology Paper 2 (English)

November 2009 — Grade 12 / Matric — Information Technology

Past Paper 2009 Grade 12 English

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🎯 180 marks ⏱️ 3h 📄 16 pages 📝 95 items found 📚 5 topics

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Q1— Section header —

1.1The best way to have continuous Inte (moving from one place to another frequently) is to use a ...

1.2Most users prefer th is way of interacting with their computers: GUI

1.3

1.4hands-free kits/photo kio infrared.

1.5The performance (speed) of your comput er may be improved by adding ...

1.6

1.7

1.8

1.9

1.10

Q2— Section header —

2.1The first thing she looks at is the that this is where the work gets done.

2.1.1Name TWO leading manufacturers of CPUs. (2)2

2.1.2Computer A is described as 'Quad Core' and Computer B as 'Dual Core'. Briefly explain what (2)2

2.1.3Both quotations give the CP U speed of the computers as being much greater than the clock speed only 100 MHz).

Q2— Section header —

2.1.4amounts of cache memory. What is ? (You are only required to define the concept.) (3)3

2.1.5Each CPU has an instruction performance. What is an instruction set of a processor? (2)2

2.1.6One of the other ways of improving the perfo rmance of CPUs is to smaller can improve the per formance of a computer. (2)2

2.1.7always been curious about how a CPU actually works. Explai n the process to her by the machine cycle and briefly ex stage. (8)8

2.2Both computers have DDR2 memory. DDR re

2.2.1the performance of improved by using DDR memory ? Motivate your answer. (2)2

2.2.2Briefly explain how DDR works. (2) Information Technology/P2 DoE/November 2009 Copyright reserved Please turn over CPU of each computer, because she knows each of these two terms means.

2.3(2)2

2.4The computers have a significant diffe it about the software that may cause this price difference? (2)2

2.5mputers support multitasking and multithreading.

2.5.3What does it mean when an operating system allo ws a computer to multitask? Explain what means. a computer.

2.6use the computers

2.6.1(a) (b) (c)

2.6.2B use to browse the Internet? (1)1

2.7A statement has been made indicati

2.7.1Explain why this statement is incorrect. (1)1

2.7.2In the context of computing, briefly explain what a driver does. (3) Information Technology/P2 DoE/November 2009 Copyright reserved Please turn over Phumzile expects that some of her

2.8her computer slowin g down when she has many programs open and the hard drive light shows that the hard drive is working all the time. You tell her t hat the operating system uses virtual memory and that thrashing is pro

2.8.1(3)3

2.8.2(2)2

2.8.3Suggest the only real solution to thrashing. (1)1

2.9Phumzile says that she often continues printing very large documents. You tell Briefly explain what spooling is. (2)2

Q3— Section header —

3.1'' '' Define the term (2)2

3.2'' Don't believe everything you read on the Internet. '' State THREE guidelines to follow in an effort to verify the validity of information found on the Web. (3)3

3.3an example of a phishing e-mail and describe wh at it attempts to do. (3)3

3.4Phumzile has to convince potent good investment in terms of making the world a better place. List TWO argum ents that she can raise in order to support this point of view. (2)2

4.1Phumzile has complained to the selle r of Computer A about the price. The seller has offered to reduce the price by R6 000 if she is prepared to receive the computer with the software already in and manuals for the software. Do you

4.2Phumzile is concerned about some may spend too much time in front of t he computers at her cyber centre. This can adversely affect one's health. (2)2

4.3Phumzile wants to be able to assist e-communication that soccer fans most results and/or the performance of the pl each to explain the usage thereof.

4.4could use the cyber centre to the benefit of her community after the Soccer World Cup. (2) [10] TOTAL SECTION C: 2010

Q4— Section header —

5.1The software must, amongst other things , assist in handli ng queries. To be queries, the data has to be valid and

5.1.1The ID numbers of guests will normally be entered from the programming code to ensure that t he date-of-birth section of the ID number (the first 6 digits) is valid.

5.1.2section of the ID number, can still to check for the validity of the input from the user. (a)

5.2created daily with guests in order to be able to answer queries. The format of the contents of t Example of the content

Q5— Section header —

5.2.1ANSWER SHEET A to identify the . Write your ex amination number and centre number in the spaces BOOK. Use the following test data: 12/10/2009 Peter#10:15

5.2.2statement in the al gorithm that causes the logical error (3)3

5.2.3Explain the difference between a and a logical error in a program. (2) Information Technology/P2

5.3Study the following class diagram representing a Guest object. NOTE: A minus (-) indicates a private declaration and a plus (+) indicates a GUEST FIELDS

5.3.1he constructor method of a class? explanation. (2) (2)2

5.3.2The set method (mutator) has been defined as a private method. (a) (b)

5.4requested that the software must be user-friendly.

5.4.1State THREE gu idelines that shoul navigation (for example, moving from one screen to the next or choos ing the correct options from a menu) easier for the user.

5.4.2Good programming principles the requested software. (a)

5.4.3messages. (3) Information Technology/P2 12 DoE/November 2009 Copyright reserved

Q5— Section header —

5.5The table below has been designed to manage information of cleaners and hey are responsible. Each cleaner is responsible for a number of rooms at the guest house.

5.5.1(FIGURE 5.1) should not be only te data type: (a)

5.5.2The table in FIGURE 5.1 c groups or categories diagram, show

Q6— Section header —

6.1of Internet connection they want to est options being considered are ADSL, 3G and iBurst.

6.1.1Indicate the type of comm unication media used by each of the (a) (b)

6.1.2a people will play a on the type of Internet connection to be used. (a)

Q6— Section header —

6.1.3press room. To facilitate comm require a protocol. (a)

Q6— Section header —

6.1.4a priority, the press room at each (a) (b)

6.2.1List THREE economic benefits t people of the press. (3)3

6.2.2job opportunities. List THREE IT -related jobs that the setting up (3)3

6.3ess rooms. You should be aware that the press room will host many journa lists at every match (the journalists wil l probably follow their country's team). Journalis ts will only be using the Internet.

6.3.1What are the main features of a client-serve different from a peer-to-peer network? (4)4

6.3.2The company has chosen a c (2)2

6.4The Internet and their computers will be the main means through which media security and safety issues. The com pany wants to give them a memo about some of these issues.

6.4.1Write short notes on spyware , saying ... (1)1

6.4.2problematic. Briefly explain ... (a) (b) what Trojan horse

6.5.1What is the technology call (1)1

6.5.2This technology has many diffe technique used to do a backup on level 1. (1)1

6.6Many of the media peopl e allow the public to follo w their work by using social networking sites. The most popular of these is Facebook.

6.6.1Briefly explain what a social networking site (2)2

6.6.2One of the risks of using Fa cebook is identity theft. Use an example to describe what identity theft is and how it could occur on a website such as Facebook. (3)3

6.7To make sure that no heir data, the media people want to have SSL connections to some websites.

6.7.1What does SSL stand for? (1)1

6.7.2Almost all computer securi (3)3

6.7.3Some new hard drives have level. Briefly explain what encryption is. (2) TOTAL SECTION E:

Q5— Section header —

Topics Identified

Word ProcessingDatabasesProgrammingNetworkingHardware

Mark Allocation

Total180 marks

Sections10 + 10 = 20 marks

Per-question sum254 marks

Paper information

SubjectInformation Technology

Year2009

SessionNovember

TypePast Paper

PaperPaper 2

LanguageEnglish

Pages18

Downloads3

Examination context

Decade2000s

Years ago17y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2009

Days since exam6,199

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Corresponding marking memorandum

Marking memorandum available

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Information Technology Memo 2 (English) →

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