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Chapter 1: Section C

True/False
Indicate whether the statement is true or false.
 

 1. 

Images can be digitized by treating them as a series of colored dots.
 

 2. 

Semiconducting materials are substances with properties between that of a conductor and an insulator.
 

Modified True/False
Indicate whether the statement is true or false.  If false, change the identified word or phrase to make the statement true.
 

 3. 

The fewer samples you take of a sound wave, the closer your points come to approximating the full wave pattern. _________________________

 

 4. 

A(n) megabyte is 1,024 bytes. _________________________

 

 5. 

The prefix peta represents a quintillion. _________________________

 
 
nar001-1.jpg
 

 6. 

Used to create the items contained in the carriers in the accompanying figure, silicon and germanium are capacitor materials. _________________________

 

 7. 

A(n) integrated circuit (housed inside the items shown in the accompanying figure) is a super-thin slice of semiconducting material packed with microscopic circuit elements such as wires, transistors, capacitors, logic gates, and resistors. _________________________

 

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

 8. 

____ data is represented by an infinite scale of values.
a.
Analog
c.
Binary
b.
Streaming
d.
Digital
 

 9. 

Data refers to the symbols that represent ____.
a.
events
c.
things
b.
ideas
d.
all of the above
 

 10. 

The difference between data and information is that ____.
a.
information consists of the symbols that represent people, events, things, and ideas
b.
information is the translation of digital data used by humans
c.
information is presented in a format that people can understand and use
d.
data is analog while information is digital
 

 11. 

A(n) ____ device works with discrete data or digits, such as 1 or 0.
a.
analog
c.
metered
b.
digital
d.
data
 

 12. 

____ data consists of numbers that might be used in arithmetic operations.
a.
Alphabetic
c.
Alphanumeric
b.
Numeric
d.
Analog
 

 13. 

Most computers store data in a(n) ____ format as a series of 1s and 0s.
a.
analog
c.
logical
b.
digital
d.
executable
 

 14. 

The 1s and 0s that a computer works with are referred to as ____ digits.
a.
binary
c.
master
b.
analog
d.
indexed
 

 15. 

Computers represent numeric data using the ____ number system.
a.
binary
c.
digital
b.
analog
d.
ASCII
 

 16. 

The number two is represented in binary as ____.
a.
|2|
c.
10
b.
2
d.
01
 

 17. 

____ provides codes for 128 characters, including uppercase letters, lowercase letters, punctuation symbols, and numerals.
a.
Unicode
c.
ASCII
b.
EBCDIC
d.
Extended ASCII
 

 18. 

____ provides codes for 256 characters, including letters, punctuation symbols, numerals, and characters like boxes, circles, and other graphical symbols.
a.
Unicode
c.
ASCII
b.
EBCDIC
d.
Extended ASCII
 

 19. 

In Extended ASCII, the eighth bit provides codes for ____ additional characters.
a.
64
c.
256
b.
128
d.
526
 

 20. 

____ data is composed of letters, symbols, and numerals that will not be used in arithmetic operations.
a.
Alphabetic
c.
Character
b.
Numeric
d.
Symbolic
 

 21. 

All of the following are numeric data EXCEPT ____.
a.
your age
c.
your state abbreviation
b.
your annual income
d.
none of the above
 

 22. 

____ is an alternative 8-bit code usually used by older, IBM mainframe computers.
a.
Unicode
c.
ASCII
b.
EBCDIC
d.
Extended ASCII
 

 23. 

____ uses 16 bits and provides codes for 65,000 characters.
a.
Unicode
c.
ASCII
b.
EBCDIC
d.
Extended ASCII
 

 24. 

____ is usually a prefix that means 1,000.
a.
Kilo
c.
Exa
b.
Mega
d.
Giga
 

 25. 

A ____ is 1,024 bits.
a.
kilobit
c.
gigabit
b.
megabit
d.
terabit
 

 26. 

The prefix ____ means billion.
a.
giga
c.
tera
b.
kilo
d.
exa
 
 
nar001-1.jpg
 

 27. 

A(n) ____, housed in the items shown in the accompanying figure, is a super-thin slice of semiconducting material packed with microscopic circuit elements such as wires, transistors, capacitors, logic gates, and resistors.
a.
ion circuit
c.
digital matrix
b.
analog register
d.
integrated circuit
 



 
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