Computer Application Technology Memo 2 (English)

November 2019 — Grade 12 / Matric — Computer Application Technology

Memo 2019 Grade 12 English

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🎯 150 marks 📄 20 pages 📝 91 items found 📚 6 topics

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Q1— Section header —

Q2— Section header —

2.10Total: [10] Total: [10]10

Q3— Section header —

3.1False, WAN /MAN

3.2True

3.3False, driver

3.4False, Disk Cleanup

3.5True [5] TOTAL SECTION A:5

4.2TWO reasons why all text on a touch screen device does not display (1\ screen keyboard is blocking the text (2\

4.3TWO functions of a UPS (1\ Provides temporary backup power during power failures dips to save work (2\ Protects the computer from power surges/fluctuations/dips

4.4TWO reasons for using a data projector instead of a monitor (1\ The display can be used for large groups of people (2\ Image size can be varied (3\ Can

4.5TWO advantage of HDMI cables over VGA cables (1\ Digital signal results in better audio/video quality (higher

4.6TWO reasons why 3D printers are not commonly used in home offices (1\ Not multifunction annot scan/copy

4.7.1ONE r eason why 1024x768 does not refer to size of the monitor 1024x768 refers to the resolution and NOT the physical screen size /display ratio Screen size is given in inches

4.7.2Term used to describe why software will not work on an earlier version of the OS Compatibility

4.8TWO reasons for purchasing an office suite rather than applications by various software developers (1\

4.9TWO causes for an application to stop responding (1\ Lack of system resources , e.g. Not enough RAM to run application Lack of disk access

4.10TWO r easons why a picture becomes blurred or is unclear (1\ The picture size was increased

4.11How convergence contributes to green computing Fewer devices means: (1\ fewer resources/ materials being used in the manufacturing process

4.1Term for analogue broadcast changed to digital broadcast (Digital\ migration

4.12.2TWO advantages of digital broadcasting technology for the viewer (1\ Sharper picture/video higher resolution/ Support HD devices (2\

Q5— Section header —

5.1TWO a dvantages of networked computers over stand alone computers (1\ Sharing of hardware (2\ Installing/ Sharing of applications

5.2.1Port to connect computer to a wired network Port A/Ethernet port (Note to marker: Accept Port B together with a motivation, e.g. adaptor.\

5.2.2Way to connect to a wireless network (Wireless\ dongle in Port B Router/modem in Port A/B (Note to marker: Do not accept Port A or B only.\

5.3Type of connection that uses light for data transmission Fibre /Li

5.4ONE solution for users to log on to a LAN (1\ Switch the server /switch

5.5ONE r eason why buffering occurs while streaming a video (1\ There is not enough bandwidth /High internet traffic (2\ ISP throttled your connection (3\

5.6Purpose of a home page setting in a browser Automatically loads a (favourite\ web page every time the browser is started /Acts as an indirect bookmark

5.7TWO outcomes from clicking on a website hyperlink (1\ Automatically direct a user to other pages/sections of the

5.8TWO ways to ensure privacy on social media: WhatsApp (1\ Ensure that only authorised people can see the posts/ content /Use

5.9TWO limitations of e commerce (1\ tems cannot be tried out before purchase (2\ Requires some form of bank

5.10Technology used to secure data Encryption /SSL/TLS

Q6— Section header —

6.1.1Purpose of an abstract A brief summary /overview /outline of the report

6.1.2Purpose of an introduction (1\ To give a (description of the\ purpose of the report (2\ To give background information about the topic (3\ To give a brief idea of what the

6.2TWO reasons for information not being suitable (1\ The a uthor is not an authority on the topic /Cannot obtain bibliographical information (2\ The information

6.3.1ONE limitation of closed questions in a questionnaire (1\ Limited options may lead to skewed data (2\ Options may be biased towards a point of view (3\ Respondent may want to give an answer not in the list/Limits

6.3.2TWO benefits for a researcher when closed questions are answered electronically (1\ Easier to process/analyse responses in a graph/ spreadsheet/ database (2\

Q7— Section header —

7.1.1TWO a ctivities on the internet that could lead to addiction (1\ Social networking/Constantly checking messages (2\ Checking profiles of others (3\

7.1.2TWO warning signs internet addiction (1\ Withdrawal from/Dislike of social activities /Isolation (2\ Obsessed with their internet activities

7.2TWO potential ethical problems companies accessing big data (1\ Breach of privacy Use of data for certain purposes/tasks without

7.3ONE way law enforcement authorities could trace cyber criminals (1\ Track/Trace /Check on the

7.4ONE way in which social media is able to influence public opinion osts (opinions\ made by influencers/celebrities/authorities/companies on social media manipulate/ could influence

7.5TWO negative effects of software piracy for creators (1\ Software manufacturers lose revenue /Loss of sales (2\

Q8— Section header —

8.1ONE b enefit of using styles for headings in a long document (1\ Easy to create a table of contents/Enables the use of automatic table of contents

8.2TWO reasons for using sections breaks (1\ Different eaders and footers can be applied to a document (2\ Different page numbering can be applied in one document (3\

8.3TWO word processing features used by a reviewer (1\ Tracking/ Track changes /Markup (2\ omments

8.4.1ONE reason for the display of non printing symbols Show/Hide feature is activated /Show formatting , e.g. spaces, tabs, etc.

8.4.2Reason why there is no bullet next to Shelter Soft return /enter was used/Pressed Shift+Enter/Did not press the Enter key on its own /It is part of the bulleted text

8.5How to use Page Break review a spreadsheet Drag the blue page break with the mouse to customise the printable area

8.7Cell format a time answer in a spreadsheet General Number TWO mistakes in a formula preventing correct autofill (1\ The reference to cell A2 should not be an absolute reference /The row

8.9Purpose of square brackets a database calculation Square brackets reference a field name or a table Note to marker: Accept reference to extract a value from a column. Do not accept 'Column heading' per se.

8.10Effect of moving =Count(*\ from group footer to report footer The function will count all the values all the records in the table /report instead of just the values of

8.11Tag for text to appear on the web browser tab Move t he text December Holidays between the title tags (Note to marker: Accept <title> December holidays </title> [15]15

Q9— Section header —

9.1.1Speed of the f aste CPU

2.4GHz

9.1.2ONE reason for the tablet being more suitable for outdoor (1\ A tablet is portable/Not dependent on external power source (2\ The tablet is LTE/4G/ Fi enabled (3\

9.1.3TWO ways to extend the storage space of the tablet (1\ Use an SD Card /memory card (2\ Use an OTG

9.1.4ONE eason for the desktop computer being better for graphics processing (1\ Has a dedicated video

9.1.5Explanation of an on site warranty The manufacturer will arrange for pickup or repair the device at

9.2.1ONE a dvantage of real time communication Interaction/ Help is immediate/No delays in messages

9.2.2TWO t of internet connection needed during the competition (1\ Satellite (2\ Cellula r (3G, 4G, 5G, LTE\ (3\

9.2.3TWO hardware evice for video conferencing (1\ Webcam Camera

9.3.1TWO online platforms to publish videos (1\ YouTube (2\ School s website/ other

9.3.2How to locate a video on the internet (1\ Use the word video in the search string /Set search type to video

9.3.3TWO specifications of a camera that influence video quality other than the sensor (1\ Resolution /Megapixels

9.3.4TWO reasons for compressing video files (1\ To decrease the amount of data used when sharing files /Limited bandwidth for sharing files (2\ Possible limited s torage space

9.4.1TWO spreadsheet features for accurate data capturing (1\ ata validation

9.4.2An alternative way to add values in a range Use the SUM function

9.4.3Function to lookup data VLOOKUP/HLOOKUP /XLOOKUP (Note to marker: Accept an answer that uses MATCH and INDEX together

9.4.4ONE way to make a spreadsheet document available on any OS (1\ Save as PDF (2\ Print to PDF

10.1TWO specifications to consider when buying a printer (1\ Resolution/DPI /Quality of the printouts (2\ Printer speed

10.2ONE kind of damage to computer from a power surge (1\ Hardware damage, e.g. to power

2.2TWO ways to dispose of a computer in an environmentally friendly way (1\ Recycle the components (2\

10.3.1Type of user that high end hardware and software Super/Power user

10.3.2TWO reasons to restrict access to the server room (1\ Additional layer of access control for employees (2\ To prevent burglaries /theft of data/hardware (3\ To prevent physical damage/vandalism

10.3.3TWO reasons for blocking USB ports (1\ Theft of data /Unauthorised copying of data (2\ Flash drive often carry viruses (3\

10.4TWO benefits of grid computing (1\ Large p rocessing tasks are shared over many computers /Enormous processing power

10.5.1Cause of the software problem Bug Solution (1\ System restore/Roll back to previous date/time where the software worked properly (2\

10.5.2TWO reasons why OS updates should NOT automatically download on networked computers (1\ Automatic updates may use a lot of bandwidth (2\

10.6TWO reasons for automatic (1\ Saves time due to scheduled backups/No user intervention required for backups (2\ Ensures backup is always/regularly/timeously done/ Employees

10.6TWO guidelines in the policy for making backups , other than making regular backups or setting automatic backups (1\ Only backup when computers are not being used

10.7.1Technology that is used to obtain location data GPS

10.7.2Term for the data that is embedded in picture file Metadata /Geotagging

10.8Why the data type of StationID is Short Text (1\ No calculations will be done (2\ The zero at the start of the number will display

10.8How to sort rainfall values in ascending order per station (1\ Group by StationName (2\ Sort by Rainfall [25] TOTAL SECTION C: GRAND TOTAL:25

Topics Identified

Word ProcessingSpreadsheetsDatabasesProgrammingNetworkingHardware

Mark Allocation

Total150 marks

Sections10 + 10 + 5 + 10 + 15 + 25 + 25 = 100 marks

Paper information

SubjectComputer Application Technology

Year2019

SessionNovember

TypeMemo

PaperPaper 2

LanguageEnglish

Pages20

Downloads5

Examination context

Decade2010s

Years ago7y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2019

Days since exam2,547

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