Digital Media Priemer: Quiz chapter 1 to 3

Question 1       What will be the print size of an image in inches that was originally 2" x 1", scanned at 300 dpi and will be printed at 300 ppi?
1" x 1"
2" x 2"
2" x 1"
3" x 3"
Question 2       If the print resolution of the image is changed from 300 ppi to 150 ppi and pixel dimensions remain unchanged, then:
print size of the image increase
print size of the image decreases
print size of the image remains unchanged
Question 3       Which of the following factors will increase the file size of a digital image?
a) larger pixel dimensions of the image
b) higher color or bit depth
c) Both a. and b.
d) None of the above
Question 4       When analog information is converted to digital data, two properties affect the exactness of the digital representation, one from sampling and one from quantizing. Which of the following is a result of quantization?
sampling rate
bit-depth
measuring intervals
time
Question 5       What are the CMY values for white?
0%, 0%, 0%
100%, 100%, 100%
255, 255, 255
Question 6       In the quantization step, to capture an analog image to a digital image, ___.
a 2-dimensional grid is applied on the image and each tiny cell on the grid is converted into a pixel
a 2-dimensional grid is applied on the image to apply dithering to the image
an infinite number of color shades and tones in an analog image is mapped to a set of discrete color values
the resulting digital image file is compressed to have a smaller file size
Question 7       In general, if you want to keep a digital media file for further editing, you should
avoid applying lossy compression
avoid applying lossless compression
All of the provided options
Question 8       In HSB color model, a lower brightness value indicates:
darker colors
lighter colors
less purity
more purity
Question 9       I am using a color model that has red, green and blue as the primaries. The bit-depth of this color model is 24. How many levels of blue can I expect from this color model?
24
8
64
256
Question 10     How many possible values can 5 bits represent?
25
32
10
31
Question 11     How many times will the file size increase if I double the total number of pixels in the image and change its bit depth from 8-bit to 24-bit?
5 times
6 times
4 times
12 times
Question 12     Converting from analog to digital involves a two-step process: _____ and _____.
sampling; quantization
sampling; bit-depth
bit-depth, frequency collection
measuring; converting
Question 13     Suppose that you scan a 2" x 1" picture in at a resolution of 300 dpi. You gain color quality if you print the image at 600 ppi print resolution.
True
False
Question 14     Digital data is _____ and analog information is _____.
continuous; discrete
discrete; continuous
Question 15     This is a quote from a T-shirt: "There are only 10 types of people in the world:
Those who understand binary and those who don't." How many types (in decimal) does this quote actually mean? (Hint: It is talking in binary!)
10
1
2
1010
Question 16     Which of the following does not apply to corner points?
appear sharp and angular
used for creating straight segments
handles have zero length
have direction handles to let you adjust the tangent and curviness at the point
Question 17     The main advantage of bitmapped images over vector graphics is ___.
scalability (ie., resolution independence of images)
ease of editing the image content pixel by pixel
Question 18     The pixel dimensions of a 2" x 1" image scanned at 300 dpi are:
300 x 300
600 x 300
150 x 300
150 x 150
Question 19     If you want to encode only 8 colors, what is the minimum number of bit(s) you need? _____
8
4
2
3
Question 20     In capturing an analog image to a digital image, the sampling rate affects ___.
the bit depth of the resulting digital image
the pixel dimensions of the resulting digital image
levels of colors
none of the answers provided
Question 21     In the RGB color model what color is represented by (0,1,0)?
Red
Green
Blue
White
Question 22     64 bits is equivalent to how many bytes?
64
8
512
64000
Question 23     A digital image captured at a higher resolution does not ___.
capture more details than the same image stored at a lower resolution
have greater bit depth than the same image stored at a lower resolution
have a larger file size than the same image stored at a lower resolution
have larger pixel dimension than the same image stored at a lower resolution

Question 24     What kind of images are GIF files most appropriate for?
big areas of solid colors
continuous tone photographs
lots of gradients
Question 25     Which of the following sizes is the largest?
24GB
24MB
240MB
2400KB
Question 26     If a digital image has a higher bit depth, ___than it would have been at a lower bit depth.
it has larger pixel dimensions
it has more different colors
it has a smaller file size
a higher sampling rate is used


Match the A,B and C to the correct i, ii and iii in the following figure.

Histogram
Correct Response
B
Correct Response
C
Correct Response
A
i
ii
iii

Match i,ii and iii in the figure to the correct answers.

Vector graphics
Correct Response
iii
Correct Response
ii
Correct Response
i
Path
Fill
Stroke
Question 29     The color gamuts of the printer and the monitor do not cover the same range of colors.
True
False
Question 30     A narrow histogram of an image indicates that the image has low contrast.
True
False
Question 31     Of the following image file formats, which one has the lowest bit-depth?
jpeg
gif
png-24
All three file formats have the same bit-depth.
Question 32     Which of the following file formats support lossy compression?
jpeg
gif
png
tiff
Question 33     Drum scanner is portable.
True
False
Question 34     The optical resolution of a scanner is of which type?
hardware
software
mathematical
graphical
Question 35     RGB color model is subtractive color model.
True
False


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