NEW
Font size
WorksheetsScanners and reading devices
Total questions: 15
Worksheet time: 8mins
1. What is an optical scanner?
A. A device that prints documents
B. An input device that scans text or images into a computer
C. A device that copies paper documents
D. A tool used to project images
2. What does a scanner use to capture images?
Electricity
Heat
Light beam
Ink
3. Which of these is a common use for a flatbed scanner?
Scanning only 3D objects
Scanning barcodes
Capturing videos
Scanning text, documents, and photographs
4. Why is it called a flatbed scanner?
It scans from the top
It uses flat ink
It scans on a flat surface
It has no buttons
5. What is a key feature of a portable scanner?
It is small and easy to carry
It is used for 3D models
It prints documents
It requires a lot of power
6. Which type of scanner is not good for scanning photos?
Flatbed scanner
Portable scanner
Drum scanner
Book scanner
7. How does a drum scanner work?
It captures sound
It prints images
It uses a flatbed
It spins a cylinder to scan
8. What does a 3D scanner do?
Scans books
Captures barcodes
Captures shape and appearance of real
D. Takes selfies
9. Where are 3D scanners commonly used?
Manufacturing, healthcare, and VR
Only in schools
In supermarkets
In homes for photos
10. What is a book scanner used for?
Printing books
Reading books aloud
Converting books into digital format
Binding books
11. Where are book scanners most helpful?
Restaurants
. Libraries and universities
12. What does scanner resolution refer to?
Size of the scanner
Number of pixels captured by the scanner
Weight of the scanner
Color quality
13. What unit is scanner resolution measured in?
Pixels per meter
Dots per inch (dpi)
Pages per minute
Megabytes
14. Higher resolution means:
Slower scanning
Better image quality
Lower quality
Cheaper scanner
15. What happens when scanner resolution is higher?
Image becomes blurry
Text disappears
Image becomes clearer
Scanner stops working
