Computer Application Technology Memo 2 (English)

November 2018 — Grade 12 / Matric — Computer Application Technology

Memo 2018 Grade 12 English

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🎯 150 marks 📄 20 pages 📝 90 items found 📚 7 topics

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Q1— Section header —

Q2— Section header —

1.6C/

2.10Total: [10] Total: [10] Computer Applications Technology/P2 DBE/November 2018 NSC Marking Guidelines10

Q3— Section header —

3.1False System /O perating system

3.2True

3.3False Ransomware (Note to marker: Accept a valid example of a type of ransomware .g. Wannacry, etc.\

3.4False Crowd funding /Crowd sourcing (Note to marker: Also accept Social fundraising/Peer to peer

3.5True [5] TOTAL SECTION A: [25] Computer Applications Technology/P2 DBE/November 2018 NSC5

Q4— Section header —

4.2Motivation for using a numeric key pad The (ergonomic\ arrangement of the keys results in: AND one impact Improved

4.3.1 MP4 file Video Audio/Pictures/Text

4.3.2 Newer file format Books.xlsx

4.3.3 Template file A document that has pre set formatting and layout /Blueprint

4.3.4 ONE r eason for creating a compressed file Storage Possible saving on storage space For archiving or backup purposes

4.4TWO a dvantages of sleep mode Saves on battery life /electricity Fast to resume Users can pick up where they left off with regard to

4.5Backward compatibility Newer versions of software/hardware will support older versions of software/hardware

4.6.1Example of memory RAM /Cache memory

4.6.2TWO reasons for SSD over HDD for mobile devices SSDs use less power than HDDs SSDs have better data transfer rates than HDDs

4.6.3Popularity of Blu Ray storage Size of games require higher storage capacity /Capacity allows for storage of

4.6.4TWO ways to ransfe data from SD card to PC Connect camera to the PC via USB cable /Use connector to

4.7THREE e xamples of a ccessibility software features Magnifier Speech /Voice recognition On

4.8TWO ways to a ccess website without typing URL /IP address in the

Q5— Section header —

5.1TWO considerations for c hoosing an ISP Bandwidth/speed of connection should be high Wide network coverage (Point of presence\ Whether there are cap ped and uncapped offerings

5.2TWO l imitations of ADSL Distance to exchange can lower the line quality Maximum bandwidth lower than with other technologies Some electronic devices may cause interference Service interruption due

5.3TWO t echnologies /protocols for s ecure communication over a WAN ttps (SSL\

5.4TWO a dvantages of w ireless LAN over w ired LAN Connecting in areas where it is

5.5Shaping /Contention The ISP shapes the connection to give priority to important services such as e mail traffic by slowing down less important services

5.6TWO r easons for data CAP depletion Automatic updates running in the background Malware/ Applications /Services running in the background

Q6— Section header —

6.1.1Open ended question

Q3— Section header —

6.1.2Best suited question for survey

Q1— Section header —

6.2TWO ways to c heck for plagiarism Type a sentence/ phrase in a search engine and search for it Use software designed to detect plagiarism Check for n on

6.3TWO tips for c hecking information quality Authority Check the credentials of the author Check reviews of the source/Author Accuracy Compare with other sources for accuracy Number of citations

6.4TWO s preadsheet features for data analysis Functions/Formulas /Calculations Sorting/Grouping/Sub

6.5Citation v ersu s Bibliography Citation Credits /Names/References a single source where the information is used

Q7— Section header —

7.1ONE r isk of providing personal data on social media sites Expose yourself to: social engineering attacks spam harassment

7.2TWO ways to p rotect network from hackers Implement security policies/passwords/logins /access rights Set up a firewall

7.3Benefits of using big data for a research company Big data

7.4Reason for private browsing mode ou do not want to store your friend's

7.5.1Concept of BYOD Learners are allowed to use their own devices i.e. tablets, smartphones and notebooks to: connect to

7.5.2TWO p roblems associated with using BYOD at school Device theft is difficult to control Difficult to control data usage Learners will be easily distracted Potential spread of malware

Q8— Section header —

8.1ONE r eason for spell checker not finding mistakes Th e language is set to English (US /The language is set incorrectly /Language not set to English (

8.2TWO r easons why mail merge document fails to load data source The data source file has been moved/deleted The linking to the data source was incorrectly done The data source file/document is corrupt

8.3Data base data types Field Name Data Type E.g. Name Text

8.3.1ID Number Short Text /Text

8.3.2Date of Test Date /Time

8.3.3Mark Number

8.4Restricting input into a spreadsheet Lock/Protect the cells /Restrict editing

8.5Fix problem that causes the #Value error Replace text in referenced cell with

8.7.1Function to replace Concatenate Concat/ Textjoin

8.7.2Function to replace the formula Average /Avg

8.8.1Bookmark tag <a name="NAME"> Creates a bookmark anchor/ target location on the same page

8.8.2Hyperlink tag <a href="#NAME"> Links to bookmark /target location created /Creates a hyperlink [15] TOTAL SECTION B:15

Q9— Section header —

9.1.1Internet versus WWW The i nternet worldwide connection of networks and computers

9.1.2ultiple tasks done on one device at the same time Multitasking

9.1.3ONE r eason for a web page not opening on a mobile browser The mobile data has been switched off /No internet connection

9.1.4ONE rgument against using public Wi Fi hotspot Data transfer speeds may be slow/Number of users at the same time may influence the speed of connectivity

9.2.1TWO r ules for a school social media policy Allow only school related content Share

9.2.2Click jacking Click jacking is when a user is tricked into clicking on a hidden/concealed/disguised l ink

9.2.3TWO features a smartphone related to storage The size of the built in

9.2.4Definition of plug in A plug in is software that provides additional functionality

9.3.1TWO ways to p revent eye strain Use larger fonts Adjust the lighting (screen or room\ /Use blue light filters/comfort view settings Take regular breaks Do eye exercises

9.3.2TWO m ental h ealth issues related to overuse of ICT Anti social behaviour Lack of meaningful

9.3.3TWO p ositive effects of technology on education Ease of access to education Accessing of educational resources variety of research methods Collaboration/Sharing of resources Promotes online/lifelong learning, e.g. MOOCS

9.3.4TWO w ays to prevent distractions when learners use mobile devices in the classroom Limit mobile device usage in class to educational activities

Q10— Section header —

10.1Define minimum system requirements The lowest/ minimum hardware/software specifications required to load specific applications/ software

10.1TWO h ardware components that enable data analysis (not motherboard\ CPU /GPU

10.1.3TWO r easons for computers slowing down Not enough disk space Hard drive becomes fragmented /is failing Viruses, worms, spyware /Rogue programs using CPU Registry bloat

10.2.1Component to connect to a network NIC ongle

10.2.2TWO r easons for NOT installing a peer to peer network Lacks security for

10.2.3Wired media to connect the library computers UTP /STP cable LAN cable Ethernet

10.2.4Device to connect LAN to the internet Router /Modem Computer Applications Technology/P2 19 DBE/November 2018 NSC Marking Guidelines

10.3.1TWO r easons for using cloud storage for backup Data is available from anywhere /any device as long as cloud service is available Saves HDD space on the local workstation If computers are stolen, data will still be accessible

10.3.2TWO r easons to restore data from a backup Computer/Data may be stolen Data may be corrupted May be a victim of ransomware Hard drive may crash/Hardware failure Accidental deletion /loss

10.4.1Bullet list tag Unordered l ist tag <ul> / list item tag / <li>

10.4.2Tag to create an open line in paragraph Paragraph tag/<p> break tag / <br>

10.4.3TWO c hanges to HTML code to correct a table There should be <tr> and </tr> tags around every row of <td></td> tags The </table> tag should be moved to the end

10.5.1Display cell contents without column adjustment Wrap text/Alt+<Enter> before 'Earned' Reduce font size Change text rotation/direction/alignment (Any one\

10.5.2Cell formatting in spreadsheets Formatted as text /Centred Computer Applications Technology/P2 20 DBE/November 2018 NSC Marking Guidelines

10.5.3Appropriate option for a calculation Option: Option 1 Motivation Option 1 considers the entire range automatically which will save time/is more accurate Option 2 is time consuming to search and select the required

10.5.4Reasons why IF statement does not work 'Yes' and 'No' arguments should be swopped for the 2nd IF statement First IF statement is missing a 'No' as the third argument OR =IF(D2>30,

Topics Identified

Word ProcessingSpreadsheetsDatabasesPresentationsProgrammingNetworkingHardware

Mark Allocation

Total150 marks

Sections10 + 10 + 5 + 25 + 10 + 15 + 75 + 25 + 25 + 50 + 150 = 400 marks

Paper information

SubjectComputer Application Technology

Year2018

SessionNovember

TypeMemo

PaperPaper 2

LanguageEnglish

Pages20

Downloads11

Examination context

Decade2010s

Years ago8y

SeasonSpring (SH)

Start dayMonday

Exam periodNovember 2018

Days since exam2,911

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