Information Technology Memo 2 (English)

May-June 2023 — Grade 12 / Matric — Information Technology

Memo 2023 Grade 12 English

↓ Download PDF 📄 518.9 KB View Exam Paper

Preparing document

📋 Document Analysis

🎯 150 marks 📄 8 pages 📝 83 items found 📚 7 topics

See full analysis

Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q1— Section header —

1.2.1VPN (1\

1.2.2Botnets (1\

1.2.3Data mining (1\

1.2.4Answer: 3 (2\ TOTAL SECTION A: 15 Information Technology/P2 DBE/202

Q2— Section header —

2.1.1The purpose of the CPU: Performs calculations and other instructions. Also accept: Processing of data (1\

2.1.2 (a\ Explain what the term multicore refers to: processor that has more than one processing unit/core on a single processor chip

2.1.2(b\ Any ONE processing technique that will allow the full benefit of multicore technology Multi processing Multi

2.1.2(c\ More than one processing core, allows m ultiple tasks or threads to be processed at the same time improves the speed at which tasks are completed/done.

2.1.3 Graphics processor has its own resources/processor/RAM which handles the processing of graphical images/rendering , thus lessening the load on the CPU Concepts

2.2.1Diagonally from one corner to the opposite (1\

2.2.2HDMI ANY ONE motivation for using HDMI It allows for faster transfer of data lso carries sound Better image quality Carrying control signals (2\

2.3Any TWO positive properties of flash disk technology High access speeds igher read/write speeds No noise

2.4ANY TWO advantages of Wi fi compared to Bluetooth Wi Fi has a higher bandwidth /speed

2.5.1An operating system is system software which controls /manages all the activities that take place in a computer Concepts System software

2.5Proprietary OR open source Any TWO motivations/reason specific to the software selected

2.6.1Any ONE example of what SaaS model entails: Software is not bought, but rented Software is accessed over the internet /cloud

2.6.2Any TWO of the following merits in SaaS: Easier to roll out updates and fixes Better control over piracy More control of licensing management More constant income stream Can provide mobile and Web access

Q3— Section header —

3.1.1(a\ Any ONE function of a switch Connects the devices Regenerates signals Directs the traffic between devices in the network (1\

3.1.1(b\ Wireless access point: Sends and receives radio waves. OR Makes connection possible to a network (1\by means of radio waves. (1\

3.1.1(c\ Router: irecting data to its correct destination OR Allowing communication between different networks/connecting to the internet (1\ (1\

3.1.1(d\ Any ONE function of a server: Provides resources to clients in a network share network resources

3.1.2Any TWO other types of security measures to safeguard your data on a network Using anti virus /anti

3.1.3Any TWO possible causes for the decrease in transmission rate on Wi Fi networks Large n umber of users connected to AP

3.1.4Files are broken up into smaller parts Parts are downloaded from different peers/seeders Parts are recombined to form files Alternative concepts Have the necessary software installed (1\

3.1.5(a\ Switch (1\

3.1.5(b\ If the switch malfunctions, the entire network will not function. OR Single point of failure (1\ (1\

3.2.1Difference between a file syncing service and a backup service: Synchronisation is ensuring all devices have the latest copy of files Back up is making an additional copy to be used in case of damage/loss.

3.2.2Any TWO disadvantages of using cloud storage You need internet access Data costs Security risk Company could go out of business leading to loss of data Cost for additional space on cloud storage

3.2.3Any TWO why optical fibre is the recommended choice of a communication medium to upload vast amounts of data to the cloud: Higher bandwidth /faster oes not degrade over long distances Immune against crosstalk

3.3.1Locally (1\

3.3.2Any ONE example of data stored by a cookie User information/preferences for the website Location

3.3.3Any TWO motivations for the use of apps Transfer less data, leading to faster speeds Give the user a more user

3.4.1(a\ People that group together online based on common interests and/or belief s. (1\ (b\ Any ONE of the

2.0developments: Dynamic webpages were developed Users became contrib tors of content Websites have become interactive Led to the development of social networking (1\

3.4.2 (a\ Multiple devices are connected to the internet. These devices can independently communicate with each other and make

3.4.2 (b\ Any suitable example Example The alarm clock and the kettle are both connected to an app over the internet. When the alarm goes off, the kettle is switched on. Example 2: The app that manages the swimming pool is connected to a

Q4— Section header —

4.1.1An ERD provides a visual representation of how the data /tables are linked in a relational database Concepts Mapping/visual represent

4.1.2(a\ Entity (b\ One ALSO ACCEPT: Mandatory (due to the dual stripes\ (c\ Relationship (d\

4.1.3Requirement of a primary key: Cannot be null /empty/ needs to contain a value /compulsory field (1\

4.1.4(a\ ny TWO reasons why the table does not adhere to the rules of normalisation No primary key There should be no repeating fields

4.1.4(b ny ONE reason why it is more suitable to save the playlist information in a database rather than in a text file Easy to filter information

4.2.1The mark /grade must be an integer OR The ID number must contain only digits (1\ (1\

4.2The range of marks is 0 to 150 (1\

4.2Each learner must have a ID /grade/mark (1\

4.3Physical independence: A change in the physical level usually does not need change at the application program level OR The application does not need different code to take the location where the

4.4.1To ensure the integrity of data. OR To ensure that c hanges made are reflected /made n all related records/tables

4.4.2Rollback (1\

4.4.3Record locking (1\

4.4.4Many people work at the agency and it will be difficult to establish who made which changes without an audit trail OR The playlists contain copyright material of which the rights need to be protected (1\thus access and changes to this need to be

Q5— Section header —

5.1.1Any ONE reason for the use of selection components rather than entry fields: Ensures validation Easier to choose than to type /faster capturing Eliminates the risk of capturing

5.1.2Benefit of saving the applicants' details in a text file: The text file allows for permanent storage of information (1

5.1.3Any ONE reason why a bit button would be more suitable: Linked to a prewritten /provided event or code Has an icon that graphically indicates the purpose of the button (1\

5.2.1Line 9 The square root of the number value must be assigned to a real variable (2\

5.2.2Line 13 The formula should be iSquare := iNumber * iNumber OR iSq ua re := SQR(iNumber\1\ (2\

5.2.3Line 15 Division by zero is undefined (2\

5.3.1Correct (1\

5.3.2Incorrect (1\

5.4.1Private access (1\

5.4.2A method such as the toString(\ is made accessible from other classes outside the object

5.5Text Count Index Text [Index] = one of Y&$6@ Index <= Length?

Q6— Section header —

6.1.1Video on demand (VOD\is a content delivery platform /streaming service that allows viewers to choose when and what they watch. Concepts Content delivery platform/streaming service The ability to choose when and what to watch

6.1.2Any TWO aspects that will be addressed by a EULA Copyright provisions estrictions in terms of the number of installations /devices Set the conditions of your license agreement with a user

6.1Geo address. The IP address is used to determine geographical location of the user and then block content based on the location. Concepts: Uses

6.2Any TWO ergonomic guidelines to avoid potential health problems Sit up straight with your back perpendicular to the ground. Your forearms should be at the same height as your mouse and keyboard. Your feet should be placed firmly on the ground.

6.3.1Any TWO motivations for streaming Users want to start watching content immediately Material is mostly copyright protected /makes piracy more difficult (2\

6.3.2(a Lossy compression (1\ (b Any TWO justifications for the use of lossy compression: Inconsequential data is lost/accuracy not essential because

6.4.1Any ONE way in which secure connections can be checked Lock symbol URL starts with https Checking digital certificate (1\

6.4.2(a\ Sensitive/private information is communicated over the internet during online payments, encryption will ensure that unlawful access is not obtained to this information on a public network like the Internet.

6.4.3An explanation of any one example of a cyber technique used to obtain banking details of a user: NOTE : Both marks must be allocated to the explanation of a cyber technique (one mark per fact\ Phishing

6.5.1(a\ The ability to adapt the size/scale of the service to the changing requirements (1\ (b\ TWO ways to use virtualisation

6.5.2(a\ Any TWO facts to motivate a distributed model: NOTE : Both marks must be allocated to the motivation of a distributed model (one mark per fact\ Duplication

6.6.1rtificial intelligence is computer software /systems that simulates human intelligence. Concepts

6.6.2Any ONE advantage of using chat bot: Facilitate seamless live communication Make customer service available 24/7 Improve response time Sav ing on

6.6.3Any TWO motivations for using a real person: Can handle a wider variety of questions/answers Provides employment to people Unwillingness of people to use service because they know it is a machin egative perceptions of AI

6.7.1Any TWO steps of data analytics with examples Cleaning the data (1\ by removing unwanted/redundant data like user preferences that are now outdated. (1\ Analysing data (1\ to

6.7.2Any TWO challenges with big data: Extreme processing power needed to process very large amounts of data Large amount of storage required for large amounts of data Algorithms must be able to process variety of data

6.7.3Any TWO negative impacts on users to provide content to the user which specifically matches their viewing history Negative or incorrect perceptions might be continuously re affirmed

Topics Identified

Word ProcessingSpreadsheetsDatabasesPresentationsProgrammingNetworkingHardware

Mark Allocation

Total150 marks

Paper information

SubjectInformation Technology

Year2023

SessionMay-June

TypeMemo

PaperPaper 2

LanguageEnglish

Pages18

Downloads8

Examination context

Decade2020s

Years ago3y

Season—

Start day—

Exam period—

Days since exam—

About Information Technology examination preparation

This Grade 12 examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

Grade 12 subject hubs

Each matric subject has its own dedicated hub on Freemode with every past paper and marking memorandum we have archived for that subject.

➗ Mathematics View papers → 📊 Mathematical Literacy View papers → ⚗️ Physical Sciences View papers → 🧬 Life Sciences View papers → 📒 Accounting View papers → 💼 Business Studies View papers → 📈 Economics View papers → 🌍 Geography View papers → 🏛️ History View papers → 📖 English View papers → 🇿🇦 Afrikaans View papers → 🗣️ IsiNdebele View papers → 🗣️ IsiXhosa View papers → 🗣️ IsiZulu View papers → 🗣️ Sepedi View papers → 🗣️ Sesotho View papers → 🗣️ Setswana View papers → 🌾 Agricultural Sciences View papers →

Corresponding examination paper

Examination paper available

Open the corresponding examination paper to practise the questions before reviewing the marking memorandum on this page. Attempt every question under timed conditions for the most realistic preparation.

Information Technology Paper 2 (English) →

File details

File size518.9 KB

Pages18

Archived on7 September 2026

File age46d

ContributorFreeMode

FingerprintD555063A653F

Questions and learner discussion

No questions or discussions have been posted yet.