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94 Cards in this Set
- Front
- Back
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An application that can filter, sort and group data |
database |
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An online service or technology that makes it possible for people who share similar interests to communicate with each other regardless of distance or time |
social networks |
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A website that allows people to add and edit content together with others |
wiki |
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The trend where a variety of technologies is integrated into one single device |
convergence |
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A word processing function that allows a user to automatically produce multiple personalised documents from a single template and data source |
mail merge |
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The practice of rerouting users to bogus or unexpected websites when they enter a URL in their web browser |
pharming |
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Markers used to indicate elements and formatting on a web page |
tags |
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Programs designed for use on smartphones and tablet computers are commonly known as ... |
apps |
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When files are stored 'in the cloud', they are stored on a ... |
remote server. |
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The word 'asymmetric' in the abbreviation ADSL refers to the ... |
difference in download and upload speeds. |
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Files with the extensions wav, aac and ogg can be converted to a file type with the file extension ... |
mp3. |
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Which ONE of the following utilities is an example of accessibility software? |
Magnifier |
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Tricking a user into revealing confidential information, such as a password, is known as ... |
social engineering. |
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Once all the responses to a survey have been collected and collated, the data is ready to be ... |
analysed. |
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If you want to copy and paste only the result of a formula in a spreadsheet and not the formula itself, the paste option you should select is ... |
paste values. |
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To enable them to keep track of information on several thousand employees, a large organisation is likely to make use of a ... |
database. |
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Using multiple computer systems as though they were one computer is known as ... |
grid computing. |
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A PSU is a device used to provide power to all the separate components within a computer. |
True |
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Public hotspots allow users to connect to the Internet using 3G. |
False |
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A query in a database application is created in order to give a user an easy way to enter a record into a table. |
False |
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System requirements describe which hardware and software is needed for software to be installed and run. |
True |
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The 'Print Screen' key on the keyboard takes a screenshot and sends it directly to the printer. |
False |
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What is the major difference between USB 2.0 and USB 3.0 with regards to |
USB 3.0 has a faster data transmission rate than USB 2.0 |
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Briefly explain what is meant by the term integrated. |
The term integrated refers to when certain hardware or features are incorporated/'built-in' into another device |
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State TWO possible disadvantages of having an integrated device |
1. Very difficult (in some cases impossible) to replace 2. If the video adapter stops working, you will need to replace the whole motherboard or buy a new, separate graphics adapter. In the case of a notebook this is impossible. |
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Which port on the notebook computer allows the computer to be connected to |
HDMI |
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Give TWO reasons why a notebook computer would be more suitable than a desktop computer for learners in a school. |
Portability/Can be easily taken to any classroom Occupies less space |
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What is an SSD used for? |
An SSD is used to store data. |
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State TWO benefits of an SSD when used in mobile devices. |
Faster than a conventional hard drive More robust |
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Give TWO reasons why some users might prefer a wireless broadband connection instead of a wired connection. |
Devices can be moved easier and still retain their Internet connectivity Less clutter/No cables |
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State TWO functions of an operating system. |
Provides a user interface Coordinates activities between hardware and software |
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Which category of software would users need over and above the operating system in order to use the computer for daily tasks? |
Application Software. |
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Give TWO reasons why it would be better to invest in hardware that exceeds |
To ensure that the software performs optimally In effect a user will be able to use the hardware for a longer period, as it will be compatible with newer software for a longer period. |
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Explain what disk fragmentation is by also explaining how this could slow |
Disk fragmentation refers to parts of a file being scattered into non-sequential/contiguous/adjacent sections of a disk. |
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Give the generic name (abbreviation/acronym) for the type of network that |
WAN (Wide Area Network) GAN (Global Area Network) MAN (Metropolitan Area Network) VPN (Virtual Private Network) |
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What is the function of a NIC? |
An NIC is the physical connection between a computing device such as a computer and the communications medium, such as a cable |
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What is the function of a Switch? |
A switch is a network device where all of the connections from computers and devices are connected |
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Bluetooth is activated on two devices, but no data can be transferred between them. Why? |
Pair your devices Bring your devices within range |
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Suggest ONE effective way of protecting a Wi-Fi network. |
Use encryption e.g. WPA2 |
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Name a function or feature of a web browser that would allow a user to return |
Use a bookmark/favourite |
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Explain how software developers generate a profit from adware, even though |
Advertisers pay the developer to show their advertisements within the app/program using banners or pop-ups. |
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State TWO advantages of podcasts over real-time streaming broadcasts |
Avoid streaming issues, e.g. buffering Podcasts can easily be distributed, etc |
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What is web caching? |
Web caching is a process where web pages previously accessed are stored on the hard drive |
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State TWO possible advantages of using web caching. |
It improves browsing speed as pages can be loaded from the hard drive instead of being downloaded from the Internet |
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Describe TWO ways in which available bandwidth plays a role when watching |
More bandwidth – smooth playback Lower bandwidth can make watching videos online almost impossible |
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What is the difference between data and information? |
Data refers to raw facts that are not useful on their own Information is data that has meaning/been processed. |
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State TWO benefits of using closed questions in a questionnaire. |
They provide a finite/fixed range of answers Easier to validate/capture/analyse responses, etc. |
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Which application software would be best suited to handling information from a questionnaire? Motivate your answer. |
Spreadsheet. |
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Give TWO examples where you would use a database instead of a spreadsheet to process data. |
When there is a need to relate or link data Easier to perform queries to find specific information |
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Briefly explain the concept of plagiarism. |
The use of another author's expression of thoughts and ideas and passing them off as one's own without permission. |
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Give ONE example of a common Internet scam. |
E-mail lottery scam (e.g. you are a lucky winner ...) |
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State ONE typical way in which your computer may be misused by cybercriminals if they use your computer as part of their botnet. |
Spamming |
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State ONE way in which RSI can be prevented. |
Take regular breaks |
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Describe TWO potential negative effects that the use of social networks can |
Danger of online predators/paedophiles Someone you do not know may monitor your online presence and seek to benefit from it to your disadvantage |
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State TWO strategies or techniques you can use to create or manage strong passwords. |
Keep your password length as long as possible Make sure passwords do not contain recognisable words |
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Name ONE legally acceptable use of a file-sharing application, such as BitTorrent. |
May be used for legal downloads, e.g. open-source software |
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Rewrite the HTML code segment below to correct it. |
<h1>CAT</h1> |
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Identify the problem that will occur when the error-free code segment below is executed in a browser. Suggest ONE way of fixing the problem. <html> <h1>Hello World</h1> </body> </html> |
The text and background colour will both be black, making the text 'Hello World' invisible A possible solution: Change page background colour |
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Indicate in which section the function =Count(*) must be placed in |
Group Footer |
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Identify the type of database object in which you are likely to find the formula below. Total:[Price]*[Quantity] |
Query |
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The database formula VAT:[Price*0.14] currently produces an error. Correct the formula for it to work properly. |
• VAT:[Price]*0.14 |
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State TWO differences between a table and a query. |
Table is used to specific the fields, field types and their properties Query is used to select records from the table |
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What is a citation in a document and when should it be used? |
A feature to reflect information regarding the reference to a book or academic work. Used when one wants refer to another person's work an explanation To show consultation of other sources to avoid plagiarism. |
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What is the difference in use between the spreadsheet functions COUNTIF and COUNTA? |
COUNTIF – Counts the number of cells within a range that match a given condition |
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Write down the result of the function =ROUND(23.65,1). |
23.7 |
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Most computers have integrated video adapters. |
• No need to purchase a video adapter |
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What is the difference between shared memory and dedicated memory. |
The video adapter does not have its own dedicated memory. It shares/uses the RAM on the computer. |
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Identify TWO possible advantages for voters during the election process if they were to use touch screens. |
The video adapter does not have its own dedicated memory. It shares/uses the RAM on the computer. |
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Give two reasons why one should use a digital camera to take the pictures instead of a webcam. |
The average digital camera takes much better quality photographs More features such as ISO settings, scene selection |
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State TWO ways in which one can accomplish transferring photographs from a digital camera to a computer. |
Using the cable supplied with the camera to connect the camera to the computer. Place the camera's memory card into a card reader on the computer |
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Outline TWO possible ways in which more photographs can be taken before one would need to empty the memory card. |
Install a memory card with more storage space Lower the resolution of the photographs the camera takes |
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Give ONE example of information that one would be able to retrieve from the metadata in an image file. |
ISO speed |
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What is a backup? |
A copy of data/information that is stored in a different physical place from the original data |
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Give TWO possible reasons why most people do not regularly make backups. |
Some people don't know how to make backups Backups can be expensive to make due to the need for extra hardware |
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State TWO advantages of using cloud storage instead of storage |
• Can access data from anywhere in the world where an Internet connection is available Saves local storage space |
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State TWO advantages of using an on-screen keyboard on a smartphone or a tablet instead of a traditional physical keyboard. |
More space available for a larger screen Keyboard layout can be changed as needed |
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What is a phablet? |
A device that contains a mixture of the functionality/features of both a smartphone and a tablet |
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State ONE advantage of using biometric security to ensure that one person can only vote once. |
More difficult to 'get-around'/bypass |
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What is a driver? |
A driver is software designed to allow the operating system and a hardware device to communicate/allow the operating system to control the device |
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Identify TWO possible sources other than the installation CD where |
The original supplier The Internet (supplier's website or a third party website) |
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Recommend a type of printer for printing high-quality colour pictures. |
Inkjet/Photo printer |
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Recommend a type of printer for printing 900 monochrome ('black-and-white') pages. |
Laser printer |
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Give TWO possible reasons for a laptop slowing down. |
• Fragmentation |
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Outline the process one should follow to close the non-responding application. |
Press the Ctrl, Alt and Del buttons/Activate the task manager |
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Give TWO possible reasons why a document would print even after clicking 'print'. |
The printer may be disconnected from the computer The printer may be switched off |
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Distinguish between the terms uncapped and shaped with reference to an Internet connection. |
Uncapped refers to the fact that there is no limit to the amount of data that can be uploaded or downloaded. Shaped refers to limiting the speed of certain services, e.g. video streaming |
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what does the computer term throttling mean? |
If more than a certain amount of data is downloaded or uploaded the download/upload speed of the line will be reduced |
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Explain the difference between a service pack and a patch. |
A patch is a small piece of software that is used to correct a specific problem with a program. A service pack is a collection of patches/updates released as one download/installation media |
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State TWO possible ways in which one can acquire the service packs/patches needed to update the software. |
Activating the automatic update option Click on the update option within the application |
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State TWO benefits of using shareware. |
Installing shareware software allows one to first see if all the appropriate functions/features are available so you don't waste money on software that does not meet your needs |
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What is E-mail spoofing? |
E-mail spoofing refers to the process of altering an e-mail (header) so that the message appears to have come from someone other than the actual source/sender |
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What is Identity theft? |
Stolen personal details are used by criminals to pretend that they are someone else. |
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What is a Key-logger? |
Software (spyware) designed to track and record each keystroke a user makes |
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What is the difference is between the Cc field and the Bcc field in an email? |
Addresses in the Cc field are visible to all other recipients. Addresses in the Bcc field are not visible to other recipients |
