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Unit 3 Vocabulary

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which of the following coding systems is used for your keyboard keys?
a.
OCR
c.
DSP
b.
ASCII
d.
None of these is correct
 

 2. 

A single point on a screen or in a graphic image is a
a.
pixel
c.
megabyte
b.
raster
d.
bit
 

 3. 

Also known as electronic junk mail
a.
pam
c.
spam
b.
ejm
d.
sprite
 

 4. 

A jpeg file would be an example of
a.
lossless compression
c.
a pixel
b.
a decompressed image
d.
lossy compression
 

 5. 

If your email account becomes blacklisted that would be because
a.
it was used to send out spam
c.
it was found not to be socially acceptable
b.
it was used to send threats to the president
d.
All of these will result in blacklisting
 

 6. 

Which of the following are true of lossless compression
a.
it reduces file size
c.
a zip file would be an example
b.
the file can be reproduced without data loss
d.
all of these are true of lossless compression
 

 7. 

cyberspace
a.
any symbol that requires one byte of storage
c.
a metaphor for describing the non-physical terrain created by computer systems
b.
a randomly addressable and rewritable storage device
d.
None of these are correct.
 

 8. 

States that the number of transistors per square inch on integrated circuits will double every year
a.
whitelist
c.
cyberspace
b.
Moore’s law
d.
Murphy’s law
 

 9. 

Distinct information that is formatted in a special way
a.
pixels
c.
disk drive
b.
data
d.
processor
 

 10. 

A formula or set of steps for solving a particular problem
a.
lossless compression
c.
algorithm
b.
brainstorming
d.
abstraction
 



 
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