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1997-03-12
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Shelly Cashman Series Lab - Scanning Documents
Name ____________________________________
Course and Division _______________________
Date ___________________ Page 1 of 2
As you step through the Interactive Lab, answer the following
questions in the spaces provided. For multiple choice
questions, enter the appropriate letter on the blank line.
1. A scanner is an _____________ that converts real-world
information into _____________ information.
a. input device, analog
b. output device, analog
c. input device, digital
d. output device, digital
2. List the two methods of scanning documents.
__________________________________________________________
__________________________________________________________
3. OCR stands for _____________.
a. obsolete card reader
b. observable chain reaction
c. optical character recognition
d. opaque computer roll
4. In a bar code, a wide line is equal to a _____________,
and a thin line is equal to a _____________.
a. 1, 0
b. 1, -1
c. 0, 1
d. -1, 0
5. List the three types of scanners that use image scanning.
_________________ ___________________ ___________________
Shelly Cashman Series Lab - Scanning Documents
Page 2 of 2
6. A flatbed scanner works much like a _____________.
a. fax machine
b. laser printer
c. copy machine
d. ink jet printer
7. When a scanned image is grayscale, the voltage readings
are stored in _____________.
a. black
b. white
c. shades of gray
d. color
8. Which of the following is not considered a higher-bit
graphics display? _____________
a. 4-bit
b. 8-bit
c. 16-bit
d. 24-bit
9. Define the term resolution.
__________________________________________________________
__________________________________________________________
10. Which of the following resolutions would consume the
greatest amount of memory? _____________
a. 50 dots per inch
b. 150 dots per inch
c. 300 dots per inch
d. 600 dots per inch