Digital Media Ch 1-3 Exam 1 questions
well answered to pass
Chapter 1 Background - correct answer ✔✔
Digital data is ______ and analog information is _______ - correct answer ✔✔-Discrete &
Continuous
Digitization means converting _______ into _______. - correct answer ✔✔- Analog information
- Digital Data
Converting from analog to digital involves a two-step process: _______ and _______. - correct
answer ✔✔- Sampling & Quantization
When analog information is converted to digital data, we must consider two properties that
affect the exactness of the digital representation, one from sampling and one from quantizing.
Which of the following is from sampling? - correct answer ✔✔- Sampling Rate
Which of the following refers to the number of allowable levels of digitized data? - correct
answer ✔✔- Bit depth
Which of the following can reduce the file size of digital media? - correct answer ✔✔- Decrease
sampling rate
-Decrease bit depth
Our everyday decimal numbering system is base- _______ . Computers use base- _____ , which
is also known as the ______ numbering system. - correct answer ✔✔- 10
, -2
- Binary
The smallest unit in a binary system is a _______, - correct answer ✔✔- Bit
which refers to a binary digit (i.e., a _______ or a __________). (Enter a digit or number.) -
correct answer ✔✔- 0
-1
Fill in the blanks with "bit(s)" or "byte(s)": Eight _______ equals one ______. - correct answer
✔✔- Bit
-Byte
The word bit comes from the shortening of the words _______ and ________. - correct answer
✔✔- Binary & Digit
If you want to use hand signals to communicate only two possibilities—yes or no— to your
friend, what is the minimum number of fingers you need? ________ We may call this hand-
signal system ________ -bit. - correct answer ✔✔-1
- 1- bit
A pixel that can have only one of two possible color values requires ______ bit(s) to store the
color information. - correct answer ✔✔- 1
If you use a byte to store the grayscale information of each pixel in a grayscale image, how many
gray levels are possible for each pixel? - correct answer ✔✔- 2^8 or 256
How many bits are in the binary notation 0011010? How many possible values can this many
bits represent? - correct answer ✔✔- 7 bits
well answered to pass
Chapter 1 Background - correct answer ✔✔
Digital data is ______ and analog information is _______ - correct answer ✔✔-Discrete &
Continuous
Digitization means converting _______ into _______. - correct answer ✔✔- Analog information
- Digital Data
Converting from analog to digital involves a two-step process: _______ and _______. - correct
answer ✔✔- Sampling & Quantization
When analog information is converted to digital data, we must consider two properties that
affect the exactness of the digital representation, one from sampling and one from quantizing.
Which of the following is from sampling? - correct answer ✔✔- Sampling Rate
Which of the following refers to the number of allowable levels of digitized data? - correct
answer ✔✔- Bit depth
Which of the following can reduce the file size of digital media? - correct answer ✔✔- Decrease
sampling rate
-Decrease bit depth
Our everyday decimal numbering system is base- _______ . Computers use base- _____ , which
is also known as the ______ numbering system. - correct answer ✔✔- 10
, -2
- Binary
The smallest unit in a binary system is a _______, - correct answer ✔✔- Bit
which refers to a binary digit (i.e., a _______ or a __________). (Enter a digit or number.) -
correct answer ✔✔- 0
-1
Fill in the blanks with "bit(s)" or "byte(s)": Eight _______ equals one ______. - correct answer
✔✔- Bit
-Byte
The word bit comes from the shortening of the words _______ and ________. - correct answer
✔✔- Binary & Digit
If you want to use hand signals to communicate only two possibilities—yes or no— to your
friend, what is the minimum number of fingers you need? ________ We may call this hand-
signal system ________ -bit. - correct answer ✔✔-1
- 1- bit
A pixel that can have only one of two possible color values requires ______ bit(s) to store the
color information. - correct answer ✔✔- 1
If you use a byte to store the grayscale information of each pixel in a grayscale image, how many
gray levels are possible for each pixel? - correct answer ✔✔- 2^8 or 256
How many bits are in the binary notation 0011010? How many possible values can this many
bits represent? - correct answer ✔✔- 7 bits
