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WorksheetsIT R050: Uses of Computers
Total questions: 10
Worksheet time: 5mins
What is HCI primarily concerned with?
The design of computer hardware
Internet connectivity issues
How a person uses or interacts with a computer
Programming languages
Which of the following is an example of an embedded system?
A desktop computer
A digital watch
A web server
A smartphone
What is a common interface provided by operating systems?
Telepathic interfaces
Taste-based interfaces
Smell-based interfaces
Text-based interfaces
What is an advantage of cash machines in banking?
They have high quality graphics
They can be controlled with a mouse and keyboard
They don't require powerful computers
They provide unlimited cash withdrawals for customers
What is NOT a characteristic of embedded systems?
Cheap to build
Require a lot of processing power
They only do one job
Can run on batteries
What advantage does HCI offer in entertainment?
Increases the cost of devices
Enables wider choice and quick access
Dependent on an internet connection
Requires physical storage
What is an advantage of using touchscreens in fitness HCI?
Can display multiple views of data in the same screen space
Cheap subscription services
Can provide inaccurate data
Difficult to press the buttons on screen
What is a risk with built-in software in home appliances?
May be difficult to update as time goes on
Makes the device more energy-efficient
Increases the device's value
Devices may go haywire
What is a benefit of HCI in retail?
Increases efficiency in tracking stock
Can cut down on the number of staff needed to run the tills
Decreases the time taken to enter data
Requires manual age checks
What limitation does voice control in TVs have?
It simplifies interaction
It struggles with accents and background noise
It is not widely available technology
It could be a security risk
