
IGCSE- M3- Input Devices Quiz
Authored by Rajini Muniandy
Computers
10th Grade
Used 1+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are barcodes primarily used for?
Identifying products in a supermarket
Storing customer information
Transmitting sound
Creating digital images
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of using barcodes for management?
Faster price changes on stock items
Increases the number of staff needed
Eliminates the need for scanners
Easier to track customer preferences
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much information can QR codes hold compared to traditional barcodes?
Less than barcodes
The same amount as barcodes
More than barcodes
Only text data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a disadvantage of QR codes?
They require expensive scanners
They cannot hold images
They can transmit malicious codes
They are difficult to scan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What technology do digital cameras use to capture images?
Laser beams
Infrared sensors
Photodiodes
Magnetic fields
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of a keyboard?
To capture images
To transmit sound
To input data
To project images
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common application of microphones?
Scanning documents
Detecting sound
Displaying images
Controlling robots
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