Information Technology English P2 memo

November 2012 — Grade 12 / Matric — Information Technology

Memo 2012 Grade 12 English

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🎯 180 marks 📄 19 pages 📝 74 items found 📚 6 topics 🔑 1 key info

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Q1— Section header —

1.1(1\

1.2(1\

1.3(1\

1.4(1\

1.5(1\

1.6(1\

1.7(1\

1.8(1\

1.9(1\

1.10(1\ TOTAL SECTION A: DB

Q2— Section header —

2.1.1(a\ Refresh rate is the number of times /speed of how often the screen must be refreshed or redrawn per se cond NOTE

2.1.2(a\ (i\ Metadata is data about data Also accept: Metadata is additional detailed

2.1.3(a\ Any ONE fact It must be of the same size (number of pins\ /Must fit into the slots on the motherboard The speed of the RAM must be compatible wi th the motherboard/FSB/System bus NOTE:

2.1.4(a\ Universal Serial Bus (1\ (b\ Accept any ONE of the following: Firewire (Windows\ Thunderbolt ( Mac\

2.2.1computer virus is a software program that is intended to damage files on a computer system without the user's knowledge or permission. Potentially damaging software that af fects a computer negatively.

2.2.2Any TWO of Always scan a memory stick (or any other device\ for viruses before it is used. Install a firewall/antivirus. Do not boot your computer from a device such as a memory stick or external hard drive of

2.2.3ny TWO of the following in any order: tracks sectors clusters (2\ DB

2.6.2Any TWO correct facts about cache TWO MARKS FOR: Instructions /data probably needed next by the CPU are placed in cache memory which reduced time lost while waiting for

2.6.3(a\ Over clocking is when the settings of the CPU are changed in order for it to run at higher rates than it was designed for. Accept any similar explanation NOTE: Also accept the following (due to translation error\

2.7Satellite /Microwaves communication

2.7Any TWO valid example m scenario (zoo/reptile park/aquarium\ Guiding someone to a specific animal enclosure Give you information about the layout of the park Together with audio feed it can give you information about

2.7MP3 /wav NOTE: Do not accept avi/MP4 or any other video format (1\ TOTAL SECTION B:

Q3— Section header —

3.1.1Accept any TWO advantages from the parks perspective The park can use e communication to promote their services and products The park's services get promoted world wide/potential visitors

3.1.2Accept any ONE disadvantage from a visitors viewpoint People get distracted by phone calls/sms. Do not get away from work related issues. Chatting online can disrupt the outing

3.2.1The http change to https ://www.redpark.co.za (1\

3.2.2Encryption is a method for changing data into a n unreadable format ONE MARK FOR : A correct example explaining encryption TWO MARKS FOR:

3.2.3The message must be decrypted ing the private key (2\

3.2.4(1\

3.3Accept any TWO sensible practical examples of using podcasting Daily commentary about the health of an endangered animal can be recorded Keep the visitors updated on activities taking place at the park.

3.4Trojan is a program with malicious intent presenting itsel f as some useful /harmless program (2\ [13]13

Q4— Section header —

4.1Any TWO correct ways to reduce electricity consumption have to be IT related Use "greener" hardware which uses less power. Make use of laptop s instead of desktop computers. Turn off computers when not used.

4.2.1Accept any TWO valid responsible recommendations to dispose of old computers Request s pecial e waste centres to collect the old computers/Separate the metal and plastic parts and send to

4.2.2YES or NO NOTE: Must be supported by a valid reason to get the mark Accept any valid reason for replacing old computers If answered YES: This is a cost effective approach.

4.3Any TWO viable recommendations Software is available that will perform a low level format on the hard drives to ensure that data cannot be retrieved If the hard drive is no longer required it can also be destroyed

4.4YES or NO NOTE: Must be supported by a valid reason to get the marks Accept ONE correct explanation If answered YES: The company has the right to know what type of person they are

4.5Computer crimes are illegal activities performed using a computer NOTE: Also accept an example. Do not accept rephrasing of the questi on e.g. "crime using a computer" [12] TOTAL SECTION C:12

Q5— Section header —

5.1.1(a\ (b\ Currency Also accept: Number Text Also ac cept: Text with maximum 10 characters (1\ (1\

5.1.2Number is suitable because you can use any combination of two numbers e.g. 0 and 1 or 0 and 1 to indicate true/yes or false/no (1\

5.1.3(a\ Accept any correct explanation of the condition for validation in pseudo or programming code. Examples: "K" OR "U" OR "M" IN("K","U","M"\

5.2.1(a\ The table doesn t provide for more than two different types of trees to be bought per order. Accept any similar explanation (2\ (b\ With the field Or

5.2.2(a\ Combined primary key consists of two or more fields comb ined together as primary key , in order to uniquely identify each record NOTE: Do not accept two primary keys per table

5.2.3(a\ One Many note the order of the 1 and many Also accept: (1\ (b\ Any ONE of OrderNo

5.3.1Algorithm is a set of st to solve a problem. Also accept any other valid/similar explanation 13 DB

5.3.2(a\ (i\ Impact accept ONE correct impact Nothing/ he execution of the program won' t be affected /The program will produce negative output.

5.3.3(a\ Logical erro r is when the output received/displayed is correct or not as e xpected because of an error based on logic

5.4.1Accept any ONE correct reason for using a WHILE in stead of FOR loop The size of the text file is unknown For loops are used when the number of repetitions is known (1\

5.4.2(a\ AND OR (1\ 14 DB

5.4.3All names Rose Nugget Peach Suzi NOTE Subtract one mark for each error. (maximum three

5.5.1(a\ Accept ONE correct purpose of the constructor method It creates instance /initialises the obj ect

5.5.2(a\ (b\ Accessor (get\ + getHospitalisation(\ : boolean Accept any alternative name for the method Accept any appropriate return data type e.g. string/integer (1\

5.5.3(a\ Accept ONE aim of toString(\ method Give a standard output/ description of the attri butes of an object Allows the output of the values of the attributes of an object

Q6— Section header —

6.1.1Accept any TWO correct reasons for having a website Many people use the Internet to search for tourist destinations or nature parks specifically The website may be used in the marketing the park The website can be an education tool in

6.1.2Accept any THREE recommendations /aspects of a well designed website The website should have an attractive design with enough space between elements to make it easy to read There should be appropriate use of graphics and colours

6.1.3(a\ Accept any ONE of the following The website will not load A webpage has been defaced such as an image changed The site has bee n deleted or replaced by a different web page

6.1.4(a\ Accept any ONE reason for having search engine frien dly website So that it receives the most visits possible to the website. People will most likely open the websites listed at the top of the result set.

6.1.5Accept a ny TWO aspects about good navigation It should be clearly visible on every page. It should perform in a consistent and uniform manner. It should function on any browser. It should show the layout of the

6.1.6(a\ A standard that permits file uploading and downloading between different computers ONE MARK FOR: File Transfer Protocol 17

Q6— Section header —

6.1.7RAID 0 creates one logical drive oes not duplicate mirror or backup data in any way Accept any correct alternative explanation. (2\ RAID 1 operates by duplicating /mirroring the data across

6.2.1Communication protocol is a set of rules/procedures that is used to determine how data is sent between two devices in a network. Also accept any TWO of the following facts about protocol: The pr otocol determines:

6.2.2Network topology is the possible layout or physical connection of the devices in a network. (1\

6.2.3Star/Bus (1\

6.2.4

6.3.1Accept a ny TWO correct reasons for preferring RSS An RSS feed read er updates itself automatically/only supply the content that changed. User receives instant updates.

6.3.2Accept any TWO correct online alternatives Faceboo Twitter An e mail newsletter /mailing lists

6.4.1Accept a ny TWO correct ways for e mails not to be flagged as spam The e mail should not contain to o man y hyperlinks

6.4.2Accept any ONE correct fact for having a unsubscribe option A user should always have the option to unsubscribe If no unsubscribe option, the email is classed as spam and can be reported. (1\

6.4.3(a\ PDF document (b\ Accept a ny ONE correct reason PDF is a compressed universal format that can contain text and images. PDF documents can be password protected to prevent editing of file

Topics Identified

Word ProcessingSpreadsheetsDatabasesProgrammingNetworkingHardware

Mark Allocation

Total180 marks

Sections13 + 12 = 25 marks

Key Information

Websitewww.redpark.co.za

Paper information

SubjectInformation Technology

Year2012

SessionNovember

TypeMemo

PaperPaper 2

LanguageEnglish

Pages19

Downloads4

Examination context

Decade2010s

Years ago14y

SeasonSpring (SH)

Start dayMonday

Exam periodNovember 2012

Days since exam5,100

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Archived on8 September 2026

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