Introduction to ICT and its role in daily life

Correct answer: C. The system repeatedly rejects some groups because of incomplete old data

Explanation: The governing concept is fairness in technology-assisted decision-making. If an ICT system relies on incomplete or outdated data and repeatedly rejects members of particular groups, its results may be unequal and discriminatory. Equal rules, an appeal or review process, and explaining reasons can support accountability, although they still require monitoring. Therefore, option C presents the fairness concern.

Correct answer: D. When a minor fault can be safely repaired at reasonable cost and extend device life

Explanation: The governing concept is sustainable and responsible ICT use. When a minor fault can be repaired safely at a reasonable cost, extending the device’s useful life avoids unnecessary replacement, saves materials and energy, and reduces electronic waste. An unsafe device, an unrepairable device, or one with unmanageable personal data should not simply be kept in use. Thus, option D is the responsible condition.

Correct answer: A. Students add sourced information on a shared platform and correct one another's errors

Explanation: The governing concept is collaborative knowledge creation through ICT. A shared platform becomes useful when several learners contribute information, identify sources, discuss evidence, and correct mistakes. This combines participation with verification, making the knowledge more reliable. Hiding sources, copying an error, or disabling discussion prevents meaningful collaboration, so option A is the only suitable example.

Correct answer: B. To help the user understand the problem and the next safe step

Explanation: The governing concept is usability and safe user guidance. A clear error message tells the user what went wrong in understandable language and, when appropriate, suggests the next safe action, such as correcting a field or trying again. This reduces confusion and repeated mistakes. Confusing wording, colour changes, and exposing a password do not solve the problem, so option B is correct.

Correct answer: C. When physical examination or equipment-based testing is required

Explanation: The governing concept is recognising the limits of online ICT services. Video or audio consultation can provide advice and general information, but it cannot always replace direct physical examination or tests that require specialised equipment. Digital documents and clear communication do not remove that requirement. Therefore, option C correctly identifies when an in-person service remains necessary.

Correct answer: D. Lack of user control over personal data

Explanation: The governing concept is privacy and user control over personal data. A deletion option helps people manage how long their information is retained and reduces the risk of unnecessary or unwanted continued use. If users cannot locate such a control, they may have limited ability to manage their digital identity and privacy. File compression, screen quality, and internet speed do not address this concern, so option D is correct.

Correct answer: A. Who benefits, who may be excluded, and what risks are created?

Explanation: The governing concept is balanced ICT evaluation. A sound evaluation examines several dimensions together: usefulness and benefits, access or exclusion, and possible privacy, safety, or social risks. Therefore option A is correct because it invites a broad and evidence-based judgment. Option B focuses only on appearance, while C and D make absolute claims that ignore real differences among users and situations.

Correct answer: B. The benefit of ICT depends on accurate information, accessible design, safe use, and human judgement

Explanation: The governing concept is that ICT outcomes depend on technology, people, and context together. Accurate information improves decisions, accessible design allows more people to participate, safe practices reduce harm, and human judgment gives the technology an appropriate purpose. Thus option B is correct. A is too narrow, while C and D incorrectly assume identical results or the disappearance of responsibility.

Correct answer: D. Wait briefly and close the program through Task Manager if needed

Explanation: The governing concept is safe software troubleshooting. A program may be temporarily busy processing a task, so waiting briefly can allow it to recover without losing work. If it remains unresponsive, Task Manager can be used to identify and end that program in a controlled way. Therefore, option D is correct. Unplugging power risks data loss, deleting files is unrelated, and replacing the monitor cannot normally fix a frozen application.

Correct answer: A. Faster access to frequently used data

Explanation: The governing concept is the memory hierarchy. Cache memory is a small, high-speed memory located close to the processor and stores frequently or recently used instructions and data. This reduces the time the processor spends waiting for slower main memory, so option A is correct. Cache is not designed for permanent backup, printing, or improving an internet signal; those are unrelated functions.

Correct answer: D. When unsaved changes are present

Explanation: A force-close ends a program without reliably allowing its normal save and shutdown steps to finish. If the program contains unsaved edits, those changes may never be written to the file, so they can be lost. Having no document open, already closing the program, or merely seeing a main menu does not normally place unsaved document data at risk. Therefore, option D identifies the relevant condition.

Correct answer: C. Storage space may decrease and application behavior may be affected

Explanation: Temporary files support intermediate work such as caches, downloads, or recovery data, but uncontrolled growth consumes free storage. When space becomes scarce, the operating system and applications may slow down, fail to save data, or behave unexpectedly. Option C is correct. Temporary-file growth cannot add processor cores, resize a monitor, or automatically encrypt every file.

Correct answer: A. Display settings or graphics driver

Explanation: The governing concept is display configuration. Resolution is the number of horizontal and vertical pixels selected for the screen, and the operating system’s display settings or graphics driver controls the available and active modes. Since the video port is connected correctly, option A is the most appropriate adjustment. The power supply provides energy, the keyboard layout affects typing, and a printer driver controls printing rather than screen resolution.