MEMORANDUM
SECTION A
QUESTION 1: MULTIPLE-CHOICE 1.1 C 1.2 A 1.3 A 1.4 B 1.5 D 1.6 D 1.7 B 1.8 A 1.9 C 1.10 B |
[10]
QUESTION 2: MATCHING COLUMNS 2.1 J 2.2 D 2.3 M 2.4 S 2.5 G 2.6 B 2.7 P 2.8 C 2.9 A 2.10 H |
[10]
QUESTION 3: TRUE/FALSE ITEM
3.1 True (1)
3.2 True (1)
3.3 True (1)
3.4 False Internet of Things (1)
3.5 False Shareware (1) [5]
TOTAL SECTION A: 25
SECTION B
QUESTION 4: SYSTEM TECHNOLOGIES
4.1 | 4.1.1 | | 2 | 10 |
4.1.2 | - More data/programs can be loaded simultaneously into RAM
- No need for virtual memory
- Faster access to data (✔✔ any two)
| 2 |
4.1.3 | - SSD is faster
- More durable
- Uses less electricity
- No moving parts
- Less noise
- SSD becomes cheaper in sub 250GB systems
- Etc. (✔✔ any two)
| 2 |
4.1.4 | - Cost saving/Cheaper
- (Physical) Space-saving
- Less components/no cabling
- Uses less power (one component)
✓✓ (any two or any acceptable answer) | 2 |
4.1.5 | - Better image quality/video/audio
- The signals are digital (not analogue)
- HDMI cable carries video AND audio (✔✔ any two)
| 2 |
4.2 | 4.2.1 | - Camera
- Touch screen
- Bigger screen on phablet
- Multi-media capabilities (✔✔ any two)
| 2 | 5 |
4.2.2 | - Via SD card in card reader
- Bluetooth
- USB cable
- Via cloud storage/service (✔any one)
| 1 |
4.2.3 | - Pinch
- Swipe
- Zoom/spread
- Tap
- Double tap
- Long press (✔any one)
| 1 |
4.2.4 | - Iris scanner
- Fingerprint scanner (✔ any one)
| 1 |
4.2.5 | (a) | Apple software is proprietary and subject to cost, ✔whilst Android is open source free of charge. ✔ | 2 | 4 |
(b) | - MacOS Sierra is well-supported ✓by developer (Apple)
- Android (as open-source) not well supported ✓
| 2 |
4.3 | | 2 | 2 |
4.4 | The CPU needs cache memory to store frequently or recently accessed data ✔ based on the assumption that it will probably be accessed again soon. ✔ | 2 | 2 |
4.5 | - 3D printing is much cheaper than conventional manufacturing methods.
- 3D printing technology enables home users to have access to machines that can build 3D models.
- Parts needed for a project can be made 'on-demand'.
- Print a model of a product that does not yet exist.
- Customers can inspect a physical model before it is manufactured.
- Ordinary users can easily create 3D objects.
- Companies may use it in the manufacturing process as it may be more efficient or cost effective. (✔✔ any two)
| 2 | 2 |
| | | 25 |
QUESTION 5: INTERNET AND NETWORK TECHNOLOGIES
5.1 | - Faster upload/save time during uploading
- Save cap/data bundle
- Uses less online storage space (✔✔ any two)
| 2 | 2 |
5.2 | 5.2.1 | Throttling ✔ | 1 | 5 |
5.2.2 | - Quality of the modem/router
- The computer might be slow
- Network traffic is high
- The type of cable used
- The capacity the ISP allows per user is low
- Distance between the computer and the server of the ISP (✔✔ any two)
| 2 |
5.2.3 | - Certain internet services are given preference ✔ above others thus performance is maintained for more critical services. ✔
OR - Any suitable situation, e.g. e-mail ✔ should be given higher priority than downloading videos, or blocking torrents at the workplace. ✔
| 2 |
5.3 | A podcast reader is connected to an RSS feed that contains information about the podcast. ✔ | 1 | 1 |
5.4 | 5.4.1 | - The chat feature ensures that participants can ask live questions ✔ and respond to questions during the video conference. ✔
OR NOTE TO MARKER: Accept wide range of possibilities to interact with audience – award 2 marks ✔✔ | 2 | 4 |
| 5.4.2 | - It is interactive
- No travelling between presenter and participant
- No special equipment needed, webcam used for broadcasting
- Less cost because it is based on people who sign up (✔✔ any two)
| 2 |
5.5 | - Ensure that you have up to date anti-spyware/anti-virus software installed.
- Many sites requiring secure information are now created so that browsers will warn you if you are re-directed to another site.
- Ensure that the site you are accessing is secure/refrain from visiting websites that are doubtful.
- Never enter personal or banking details on suspicious websites. (✔✔ any two)
| 2 | 2 |
5.6 | A process in which broadcasting services using traditional analogue technology are replaced with digital technology. | 1 | 1 |
| | | 15 |
QUESTION 6: INFORMATION MANAGEMENT
6.1 | 6.1.1 | Yes ✔ People rather text and tweet on smartphones than engaging or interacting face-to-face ✔ OR No People use social media to communicate socially, gain knowledge and learn about different opinions | 2 | 4 |
6.1.2 | - People usually advertise jobs on Facebook
- Leave links to job adverts
- You can put a CV on Facebook (✔✔ any two)
| 2 |
6.2 | - Switch the Internet off while you are working so that it will not interrupt you
- Make a timetable for your work
- Filter your e-mail by creating categories for example work, friends or family
- Use RSS feed to structure the news that you read on the web and that you are not only searching around on the web
- Learn to use search engines properly (✔✔ any two)
| 2 | 2 |
6.3 | 6.3.1 | - Plagiarism is the act of passing off someone else’s work as your own ✔
- Copyright refers to the legal right to make copies ✔
| 2 | 2 |
6.3.2 | - Plagiarism: All work must be properly cited ✔
- Copyright: Do not make copies of content without gaining permission first ✔
| 2 | 2 |
| | | | 10 |
QUESTION 7: SOCIAL IMPLICATIONS
7.1 | - Confidential data may leave the school on one of the devices. ✔
- Malware and viruses could enter the network from a personal device. ✔
| 2 | 2 |
7.2 | 7.2.1 | Definition A type of malware designed to encrypt or block access to your computer system and files ✔ What is required of a user? Pay an amount of money as ransom ✔ | 2 | 4 |
7.2.2 | - Do not download from suspicious sites
- Always keep the latest antivirus definitions updated ∙ Always keep regular backups in a safe place (✔✔ any two)
| 2 |
7.3 | - Bitcoins (BTC) are a form of virtual, digital currency. ✔
- Bitcoins are accepted as a way of payment and can be exchanged for other currencies, products, and services. ✔
| 2 | 2 |
7.4 | - Consider the source
- Check the author
- Check the date
- Verify the news on supporting sources
- Read more about the topic
- Etc. (✔✔ any two)
| 2 | 2 |
| | | 10 |
QUESTION 8: SOLUTION DEVELOPMENT
8.1 | - Database table (or query)
- Spreadsheet
- E-mail contact list
- E-mail address list
- Text files (✔✔ any two)
| 2 | 2 |
8.2 | Add an automatic caption ✔ to each image | 1 | 1 |
8.3 | Cell A1 has been formatted to display a whole number. ✔ When the value in A1 is multiplied by 5, the number originally typed in the cell is used for the calculation. ✔ | 2 | 2 |
8.4 | A validation rule is a field property that sets limits or conditions on the values that can be entered in the field ✔ Validation text is a custom message that's displayed if invalid data is entered in a field or control where a validation rule exists ✔ | 2 | 2 |
8.5 | When the ‘eye’ symbol is clicked the actual password is revealed instead of the placeholder character ✔ | 1 | 1 |
8.6 | 8.6.1 | It will search ✔ for all text that starts with the word Gold ✔ | 2 | 4 |
| 8.6.2 | 3 ✔ | 1 |
| 8.6.3 | 10 ✔ | 1 |
8.7 | <td rowspan = 2>Cell 1</td> Add the attribute rowspan ✔ and value 2 ✔ to the <td> tag | 2 | 2 |
8.8 | - Author
- Subject
- Company
- Dates created and modified
- Size
- Pages
- Words
- Title
- Tags
- Comments
- Template
- Status
- Categories
- Etc. (✔ any one)
| 1 | 1 |
| | | 15 |
TOTAL SECTION B: 75
SECTION C
QUESTION 9: INTEGRATED SCENARIO
9.1 | 9.1.1 | The lowest/minimum possible specifications (hardware/software) ✔ needed for the program to load/run ✔ | 2 | 5 |
9.1.2 | - Although programs will run with minimum specifications, they will perform optimally with higher specifications
- Hardware would be relevant/usable for a longer period/will be able to run newer/later versions of the software
- More resources for multi-task performance
- Computer would be compatible with a wider range of software/ hardware (✔✔ any two)
| 2 |
9.1.3 | - To test the program first (for suitability) before buying it
- Checking to see if the full version is required
- Checking user friendliness/Quality of the user interface
- Checking for compatibility with the existing software/hardware (✔any one)
| 1 |
9.2 | 9.2.1 | RFID uses radio waves ✔ | 1 | 2 |
9.2.2 | Barcodes uses light ✔ | 1 |
9.3 | - No need to manually type in the URL
- Fewer errors are made, as when manually entering the URL
- QR code scanners (software) can be downloaded/used for free
- Can store extra information such as logos (✔any one)
| 1 | 1 |
9.4 | 9.4.1 | - Lock his office when he is not there
- Lock the notebook in a safe when not being used
- Activate alarm/motion sensors when he is not in the office
- ecurity guards/gates/burglar bars (✔✔ any two)
| 2 | 4 |
9.4.2 | - Facial recognition
- Fingerprint/Iris/Retinal scan
- Voice recognition
- Card with biometric data used in the card reader (✔✔ any two)
| 2 |
9.5 | - Employee can work more flexible hours and are less stressed
- More productive because of greater work satisfaction
- Consideration of environmental issues/social issues like less pollution and traffic on the road
- Potentially fewer distractions than in a formal office environment/no wasting time travelling to office
- Telecommuters may prefer less formal environment to work in
- Saves on the cost of travel and clothing suitable for the work environment (✔✔ any two)
| 2 | 2 |
9.6 | - Update content regularly
- Use catchy titles/informal style
- Ask for and respond to feedback/criticism/comments
- The text should be easy to read/correct spelling
- Use an attractive template/design
- Consistent design/formatting
- Choose an easy URL to remember, if possible
- Make it possible to sign up for RSS
- Write concisely/use short sentences/paragraphs/bulleted lists
- Check quality/quantity/relevance of graphics
- All links should work
NOTE TO MARKER: (Accept any valid reasons for attracting or maintaining interest in the blog) (✔✔ any two) | 2 | 2 |
9.7 | - Cost
- Bandwidth/speed of connection should be high
- Wide network coverage
- Whether there are capped and uncapped offerings
- The services that are offered by the ISP
- Reputation of the ISP
- Whether data is carried over into the next month
- Whether the ISP offers an anti-virus facility
- Whether the ISP is known for a stable connection (✔✔ any two)
| 2 | 2 |
9.8 | - Can use lots of data/cap
- May not want to accept/install all the updates
- Programs which are not used can update, wasting space on the device
- Etc. (✔✔ any two)
| 2 | 2 |
9.9 | 9.9.1 | - Scanner
- Camera
- Scanning mouse (✔ any one)
| 1 | |
9.9.2 | OCR ✔ OCR will take a scanned copy/image of a document and convert it ✔ into an editable document. | 2 |
| 9.9.3 | - Not effective if the scanned document is of a low quality
- Not always very accurate
- In some cases it cannot distinguish between text and images
- Language dependent
- Not effective if the quality of the camera is low
- Scanning can be slow - depends on the type of scanner and its purpose (✔✔any two)
| 2 | 5 |
| | | 25 |
QUESTION 10
10.1 | 10.1.1 | - Video Conferencing / video calls ✔
- Taking selfies ✔
| 2 | 9 |
10.1.2 | Data connection via Wi-Fi ✔ or SIM card ✔ NOTE TO MARKER: Also accept: The tablet can be used for voice calls as well as to connect to a network | 2 |
10.1.3 | Resolution ✔ | 1 |
10.1.4 | - Micro SD refers to a type of memory card ✔
- To provide extra storage space ✔
| 2 |
10.1.5 | It tells you how many (in this instance four) physical CPUs ✔ are on the chip It can split work between the processors making it possible for the computer to work more efficiently/faster ✔ | 2 |
10.2 | 10.2.1 | - Watch multimedia presentations
- Watch short videos/YouTube learning resources
- Take notes (OneNote with stylus)
- Complete electronic assessments (Google Forms)
- Do research
- Capture survey responses
- Reading set work books, etc.
(✔✔ any two or other acceptable answer) | 2 | |
10.2.2 | - Use a filter program
- Activate the safe search option on the search engine
- The educator can download the required web pages and make them available offline
- The school LAN can restrict access/Use a proxy server/use a firewall
- Educate learners about the dangers of inappropriate content or people
- Block personal details of learners if available
- Use aliases (avatars) for learners (✔✔ any two)
| 2 |
10.2.3 | - Less paper usage
- Less printing
- Digitization
- Less e-waste
- Lower energy costs
- Etc. (✔✔ any two)
| 2 |
| 10.2.4 | - You can use the zoom touch features (OR Font size) to increase the size of the text
- You can increase the brightness of the screen
- You can increase the contrast of the screen
- You can use a lighted magnifier glass to increase the virtual size of the screen
- You can use software to magnify text on the screen
- You can use text-to-speech software (✔✔ any two)
| 2 | 8 |
10.3 | 10.3.1 | - They are not limited to a set amount of data per month
- They can access the Internet 24/7 without worrying about how much data you are using (✔✔ any two)
| 2 | 4 |
10.3.2 | A Hard cap is a type of an account that stops ✔ all Internet access once the cap limit has been reached while with a Soft cap the user is allowed some Internet connectivity ✔ after the limit has been reached | 2 |
10.4 | 10.4.1 | - Use software that updates your data automatically
- Backup data only, not programs (have CD or Internet to retrieve these)
- Use external storage medium (external hard drive)
- Keep backup in other location in case of theft, fire, etc.
- Do maintenance of data to have no unnecessary duplicates
- Archive large files not used often
- Check that backup works by opening backed up files once in a while. (✔✔ any two)
| 2 | 4 |
10.4.2 | - Scheduling when to back up the files
- Choosing to do a full backup of all the files or just those that have been changed since the last backup
- Compressing the files to save space on the backup media, etc. (✔✔ any two)
| 2 |
| | 25 |
TOTAL SECTION C: 50
GRAND TOTAL: 150