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.

__________________________________________________________

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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