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.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Keyboard/Keypad
Touch pad/Track pad
Step 2
Give TWO reasons why this happens.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The on-screen keyboard may be blocking the text being typed.
The font size could be too large or the screen may be zoomed, making text unreadable.
Step 3
Give TWO functions of a UPS.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Provides temporary backup power during outages to save work.
Protects the computer from power surges.
Step 4
Discuss TWO reasons why a presenter would use a data projector instead of a monitor while presenting.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The data projector can display content to larger groups of people.
It can project onto a variety of surfaces such as screens or walls.
Step 5
State TWO advantages of HDMI cables over VGA cables for connecting a television to a computer.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
HDMI provides better audio/video quality due to higher resolution.
HDMI transmits both audio and video data, while VGA only transmits video.
Step 6
Give TWO reasons why 3D printers are not commonly used in a home office, other than the cost.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
3D printers require significant setup and maintenance.
They often have a steep learning curve regarding their operation and software.
Step 7
Explain why it is INCORRECT to say that 1024x768 is the size of the monitor.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
1024x768 refers to the resolution of the display, not the physical dimensions of the monitor screen.
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.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
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.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
An office suite offers a similar graphical user interface (GUI) across applications, enhancing usability.
Easy to share information and files between applications within the suite.
Step 10
Give TWO possible causes why an application stops responding.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Lack of system resources, such as inadequate RAM.
Software conflicts or bugs in the application.
Step 11
Give TWO reasons why the saved picture now displays blurred or is unclear.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The picture size was increased, causing pixelation.
It may have been saved at a lower resolution.
Step 12
Explain how convergence contributes to green computing.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Fewer devices mean less manufacturing waste, reduced electronic waste, and lower energy consumption in using fewer devices.
Step 13
Write down the general term for the process where broadcasting services are changed from analogue to digital technology.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Digital migration.
Step 14
State TWO advantages of digital broadcasting technology for the viewers.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Sharper picture quality and support for HD devices.
