Information Technology Paper 2 (English)

Feb-March 2013 — Grade 12 / Matric — Information Technology

Past Paper 2013 Grade 12 English

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🎯 180 marks ⏱️ 3h 📄 21 pages 📝 106 items found 📚 6 topics 🔑 1 key info

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Q5— Section header —

Q1— Section header —

1.10\ in the ANSWER BOOK.

1.1Which term applies when a per son behaves offensively towards another member of an mail news group, thereby inciting argumentative behaviour? Flaming Phishing

1.2hich shaded area in the diagram below represents a cluster of disk space? The shaded ring The shaded, wedge

1.3An approach to developing software in which the main task/problem is broken up into smaller manageable tasks

1.4Which ONE of the following statements regarding Wi MAX is TRUE? MAX stands for Worldwide Internet fo r Microwave Access. The rules of Wi Fi and Wi

1.5Which part of the URL below is refe rred to as the domain name? http://www.sars.gov.za/server1/documents/irp/instructions.html sars.gov.za http instruction .html

1.6Which ONE of the following is NOT a suitable application of Bluetooth techn ology? Wireless communication between a mobile phone and a hands free

1.7Which ONE of the statements below is TRUE regarding embedded operating systems

1.8Which ONE of the following refers to an encryption process used to authenticate the identity of the sender of an mail message? Digital certificate Digital divide Digital handshake

1.9Which ONE of the following represents a set of operating s yst ems for martphones? Windows XP, Windows Mobile, Windows Vista Linux, Unix, MacOS Symbian, Windows Mobile, Android Symbian, Garnet OS (Palm OS\, Windows 7

1.10cookie is a (n\ binary file that allows a program to run. text file that sto res information relating to web sites. HTML file that contains Internet settings.

Q2— Section header —

2.1The senior manager at the head office complained about the perfo rmance of his computer and wanted it to be replaced. A quo

2.1.1Expand the acronym FSB (1\

2.1.2One of the ways to improve the performance of a computer is to ncrease the data transfer rate of the internal bus system. (a\ List the THREE

2.2.1Name the manufacturer of the chipset of this computer system (1\

2.2Why does a keyboard require an IRQ? (1\

2.2Name the TWO different types of data that is stored in CMOS memory chip

2.2Name ONE hardware device that is normally controlled by IDE controller (1\

2.2Give TWO reasons why t he PS/2 port has been replaced th a USB port modern motherboard

2.3The graphic designer at the head office wants a new computer with an Intel i7 CPU. The i7 i s a quad core hyperthreading 64 bit processor with the following features:

2.93GHz core speed 8 MB of ache memory

2.3.1How many CPU does a quad core chip have (1\

2.3.2The suggested processor uses the multiprocessing technique to process tasks. Define the term multi processing (2\

2.3.3Give ONE practical example of how hyperthreading technolo gy is applied by a software application.

2.3.4List FOUR steps the CPU repeats for every instruction it has to execute, which is also known as the machine cycle (4\

2.3The senior manager is not sure about the significance of ache memory a computer system (a\ Briefly e

2.4The senior manager wants to know more about the management of RAM.

2.4.1State TWO aspects regarding RAM that the operating system has to manage. (2\

2.4.2Virtual memory is often used while managing RAM . Explain what virtual memory is. (2\

2.4.3The use of virtual memory can result in thrashing Explain what thrashing (2\ The branch office in Durban need nternet connection. Name ONE

2.5State TWO advantage of the type of broadband connection mentioned in QUESTION .1.

2.6The senior manager needs to print documents but the printer d oes not di splay in the print dialog box.

2.6A new colour inkjet printer an external hard drive have been delivered to his office. lug and play and hot

2.7State TWO advantages of having a hard disk partitioned. (2\ The cabinet housing the network server in

2.8.1Briefly explain why a router is able to manage the bandwidth of a network efficiently. (2\

2.8.2State TWO other functi of a router. (2\

2.9The senior manager is concerned about several complaints from users about different messages that are displayed on the screen during the boot up process of their computers

2.9.1Give ONE possible reason why the message Non system disk appear on the screen during the boot up process (1\

3.1The company use online banking to receive and make payments.

3.1.1A lock symbol appears in the browser interface when using the online banking website to indicate security. (a\ How else could you tell whether the website is secure?

3.1.2Commerce websites use public key encrypt ion to ensure that transactions are secure. (a\ What is ommerce (1\ (b\

3.1.3Phishing is always a risk when users are online. (a\ Explain what phishing is. (b\ How do

3.1.4Online users often receive hoax mail s. Give TWO pieces of advice on how to respond to a hoax. (2\

3.2hy is it advisable to have a firewall installed at the head office [10]10

4.1While ing through the log of sen items on the mail server the o ffice

4.1.1These mail addresses can be used to send spam . Explain hat spam is. (2\

4.1Name TWO ethical issues regarding the mail that was sen by the secretary (excluding the possibility of spamming people

4.1.3The office manager incorrectly refers to the sending of the mail as identity theft. Expla in what

4.2Due to the increasing availability of online information such as t ravel blogs and forums he tourism industry

4.2.1Define a travel blog (2\

4.2Give TWO examples of how ICT can be used to assist potential trave lers in plan ning and organising their

4.3The company has been advised to request potential tourists to register for an online health service. Their personal medical history , for examp prescriptions, allergies and immunisation records can be stored online.

4.3.1State TWO a dvantages from the company's perspective of having the clients health records av ailable online (2\

4.3.2State TWO disadvantages from the clients erspective of having the clients health records a vailable online (2\

Q5— Section header —

5.1A database named CraneDB was created with the table tblTour sInfo to store information on the different tour

5.1.1The tblToursInfo table has no primary key. (a\ What is the purpose of a primary key? (b\ Which field in this table would be most suitable

5.1.2The general proper ties for the Surname Client1 field are shown below. (a\ Explain what it means to specify

5.1.3You need to normalise the tblTours Info table to Answer this question on

5.1.4Explain the purpose referential integrity w hen establishing relationships between fields different table

5.2The programmers developed the following algorit hm to alidate clients birth dates. The following applies: The year birth should be entered as a 4

5.2.1What is the purpose of an algorithm? (1\

5.2.2tandard and extreme test ta are used as input to determine the reliability of a program. Give ONE example of extreme test data

5.2.3Data entered by a user should be valid correct. se the year of birth t o explain the difference between valid correct data. (2\

5.2There are logical errors the given algorithm which means that it will not always give a correct indication whether the year of

5.2.4(a\. (2 x 2\ (4\

5.2Syntax and runtime errors can occur during the development and testing of the softwar e. (a\ Explain the difference between a syntax error runtime error (b\

5.3The agency use online application form to capture the details of new clients. The following GUI has been designed for this purpose: List FOUR ways in which the layout and user friendliness of the interface can

5.4Use examples from the class diagram above explain the concept of overloading (2\

5.4Classes can contain accessor and mutator methods. (a\ Briefly explain why a class requires accessor method. (2\ (b\ Give ONE example of an accessor method from the given class diagram.

5.4What is the purp ose of the toString method? (1\ 17

5.5The programmers developed the following algorithm for users to search for any given client in their database NOTE

5.5Give TWO reasons why a WHILE loop wit h a flag would be more effective in this algorithm than the FOR

5.5It is possible for a WHILE loop with a flag to become an infinite loop. (a\ Explain the ITC (initialis

5.5Rewrite l ine 4 of the given algorithm to be able to process either the full surname or only the first three letters of the surname ente red by the user when searching for a client (2\ TOTAL SECTION D:

Q6— Section header —

6.1The head office manager suggest that they create a LAN to link the computers.

6.1.1Give HREE reasons why connecting the computers in a network would be to the benefit of the company

6.1.2The manager need to choose between a erver based network a peer peer

6.1.3need to choose between installing a wireless LAN WLAN a LAN using UTP cables. (a\ Give

6.2Ins talling thin client workstations an option for the office.

6.2.1What is meant by thin client workstation (2\

6.2.2From a security p erspective , give TWO reasons why thin client workstations will be a better

6.3The head office manager is advised to install a dedicated server to provide Internet connection

6.3.1Define a web server

6.3.2Define a proxy server

6.3.3Give TWO reasons for using a proxy server rather than a web server (2\

6.4It is often necessary for the employees to communicate with clients One month, t he telephone bill was too high and the office manager asked the employees to use

6.4.1What protocol is used in Skype communication? (1\

6.4.2What hardware will be required for every employee s computer in order to communicat e via Skype (2\

6.5The office manager has decided to create a hotspot for prospective clients to use for research on possibl e destinations.

6.5.1Define a hotspot in the context of computing (2\

6.5.2Name ONE device that can be connected to a hotspot. (1\

6.5.3Identify the type of network communication used at hotspots (1\

6.6The head office in Cape Town electronically connected to the four other offices in the country using a VPN

6.6.1Is this network a WAN or GAN? (1\

6.6.2Give TWO reasons why a VPN can be a risk in terms of security. (2\

6.7Clien ts want to access the official w ebsi te of Blue Crane Tours while they are on tour. The office manager needs to contact a professional to develop a WAP website.

6.7.1What will the job title of the professional he needs to contact (1\

6.7State TWO features of a WAP website

6.8The competition between different travel agencies is more intense than ever. The Blue Crane Tours company needs to modernise their way of advertising.

6.8.1A decision needs to be made on whether marketing material should be printed or copie d to

6.8.2Wikis and for ums are seen as new media. Briefly explain the difference between the two concepts (2\

Topics Identified

Word ProcessingSpreadsheetsDatabasesProgrammingNetworkingHardware

Mark Allocation

Total180 marks

Sections10 + 14 = 24 marks

Key Information

Websitewww.sars.gov.za

Paper information

SubjectInformation Technology

Year2013

SessionFeb-March

TypePast Paper

PaperPaper 2

LanguageEnglish

Pages21

Downloads10

Examination context

Decade2010s

Years ago13y

Season—

Start day—

Exam period—

Days since exam—

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Corresponding marking memorandum

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