4.1 Name TWO input devices that can be found on a laptop computer, other than a touch screen - NSC Computer Application Technology - Question 4 - 2019 - Paper 2
Question 4
4.1 Name TWO input devices that can be found on a laptop computer, other than a touch screen.
4.2 The user cannot see the full text while an e-mail is being typed o... show full transcript
Worked Solution & Example Answer:4.1 Name TWO input devices that can be found on a laptop computer, other than a touch screen - NSC Computer Application Technology - Question 4 - 2019 - Paper 2
Step 1
Name TWO input devices that can be found on a laptop computer, other than a touch screen.
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Answer
Keyboard/Keypad
Touch pad/Track pad
Step 2
Give TWO reasons why this happens.
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Answer
The on-screen keyboard may block the view, obscuring part of the text.
The font size might be too large, resulting in limited text visibility.
Step 3
Give TWO functions of a UPS.
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Provides temporary backup power during outages to save work.
Protects connected devices from power surges and fluctuations.
Step 4
Discuss TWO reasons why a presenter would use a data projector instead of a monitor while presenting.
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Answer
A data projector can display on a larger screen for groups, making it easier for everyone to see.
Projectors can project on various surfaces, adapting to different presentation settings.
Step 5
State TWO advantages of HDMI cables over VGA cables for connecting a television to a computer.
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Answer
HDMI provides better audio and video quality due to a digital signal.
HDMI cables can transmit both audio and video, while VGA only handles video.
Step 6
Give TWO reasons why 3D printers are not commonly used in a home office, other than the cost.
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They often require a lot of space due to their size and operational setup.
The complexity of use and maintenance can deter users in home environments.
Step 7
Explain why it is INCORRECT to say that 1024x768 is the size of the monitor.
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1024x768 refers to the resolution of the display, indicating the number of pixels horizontally and vertically, not the physical size of the monitor.
Step 8
Give the term used to describe the reason why this office suite will not run on an earlier version of the operating system specified above.
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Answer
Compatibility
Step 9
Give TWO reasons why you would choose to buy an office suite instead of purchasing various applications by different software developers, other than the cost.
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Answer
An office suite typically offers a cohesive user interface and environment across all applications.
With an office suite, users can benefit from a single installation and update process for all applications.
Step 10
Give TWO possible causes why an application stops responding.
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Lack of system resources, such as insufficient RAM leading to performance issues.
Faulty software, which can include bugs or errors in the application.
Step 11
Give TWO reasons why the saved picture now displays blurred or is unclear.
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The picture size may have been increased, causing pixelation.
The image could have been saved at a lower resolution, reducing its overall clarity.
Step 12
Explain how convergence contributes to green computing.
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Convergence leads to fewer devices being required, which reduces material use in manufacturing and helps decrease electronic waste by minimizing disposal in landfills.
Step 13
Write down the general term for the process where broadcasting services are changed from analogue to digital technology.
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Digital migration
Step 14
State TWO advantages of digital broadcasting technology for the viewers.
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Enhanced picture and sound quality, providing a better viewing experience.
Availability of extra features such as on-demand streaming and an electronic programming guide.
