Multiple Choice Identify the choice that
best completes the statement or answers the question.
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1.
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How is the basic CRT video
image created electronically?
a. | a light beam scans the dots on the
television screen | b. | an electron beam scans the dots on the inside of the television
screen | c. | the light beam is scanning every fourth line | d. | the image is projected onto the inside of the
screen | e. | each basic color of the image is projected onto the screen as a colored light
beam |
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2.
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What is the major
characteristic of an analog signal?
a. | it must be amplified before it can
be transported | b. | it must be coded | c. | it fluctuates exactly like the original signal | d. | it fluctuates similar to the original
signal | e. | it consists of 0's and 1's |
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3.
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What is the major
characteristic of a digital signal?
a. | it consists of on/off pulses
represented by 0's and 1's | b. | it fluctuates opposite the original signal | c. | it is interlaced | d. | it is progressive | e. | it is
lossless |
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4.
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Which system scans all lines in
successive order?
a. | interlaced | b. | digital | c. | compression | d. | lossy | e. | progressive |
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5.
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What are the primary additive
colors in television?
a. | red, blue, and
yellow | b. | red, green, and blue | c. | red, green, and yellow | d. | magenta, yellow, and cyan | e. | red, cyan, and magenta |
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6.
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What is a beam
splitter?
a. | a prism that separates white light
into RGB light colors | b. | part of the camera lens | c. | a filter on the camera light | d. | an electronic circuit that controls the scanning
beam | e. | a device that lets a single electron beam scan all three primary light
colors |
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7.
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Which statement best describes
the basic video imaging process?
a. | the image is captured on film and
developed by chemicals | b. | the light is converted to sound waves for recording | c. | the light waves are carried directly to the
receiver | d. | the light is converted into electric energy | e. | the image is divided into subtractive
colors |
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8.
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What is the most common imaging
device in television cameras?
a. | CCD | b. | CPU | c. | RCU | d. | LED | e. | CCU |
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9.
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What are the four basic
elements of a camera chain?
a. | camera, switcher, preview monitors,
and CCU | b. | camera head, CCU, camera pedestal, and lens | c. | camera head, sync generator, power supply, and
CCU | d. | power supply, pickup device, viewfinder, and camera
head | e. | camera head, camera cable, video recorder, and
CCU |
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10.
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What is the most visible
difference in image quality between a small HDV camcorder and an HDTV camcorder?
a. | resolution | b. | color fidelity | c. | contrast | d. | falloff | e. | white balance |
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11.
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In additive color mixing, which
combination will result in white?
a. | red, blue, and
yellow | b. | green, yellow, and white | c. | blue, red, and green | d. | red, green, and yellow | e. | magenta, yellow, and cyan |
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12.
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What does picture resolution mean?
a. | the picture sequence resolves the
story | b. | the electron beam scans every line from top to bottom | c. | the measurement of picture
detail | d. | the picture composition | e. | the number of pixels on an image sensor |
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13.
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Which lens ratio allows you the
greatest zoom range from wide-angle to-close-up?
a. | 8:1 | b. | 60:1 | c. | 1:10 | d. | 20:1 | e. | 1:8 |
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14.
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Which is the correct
relationship between zooming and the resulting focal length?
a. | zooming in decreases the focal
length | b. | zooming in increases the focal length | c. | zooming out puts the lens in a narrow-angle
position | d. | zooming out increases the focal length | e. | zooming does not affect the focal length of the
lens |
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15.
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What is the correct method of
calibrating the zoom lens to keep it in focus throughout the zoom?
a. | zooming the lens all the way out and
focusing on the background before zooming back in again | b. | zooming the lens all the way out and focusing on the
principal subject before zooming back in again | c. | zooming the lens to the normal focal length and focusing
on the principal subject | d. | zooming the lens all the way in and focusing on the test chart before zooming back in
again | e. | zooming the lens all the way in and focusing on the principal subject before zooming
back out again |
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16.
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What three factors determine
the depth of field of a field of view?
a. | zoom range, focal length, and
subject-to-camera distance | b. | iris, ƒ-stop, and light
level | c. | subject-to-camera distance, aperture, and zoom ratio | d. | aperture, subject-to-camera distance, and focal
length | e. | subject-to-camera distance, contrast range, and
iris |
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17.
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How can you recognize that an
extreme zoom-in was done digitally rather than optically?
a. | the space between objects is
compressed | b. | the space between objects is expanded | c. | the picture looks
sharper | d. | the picture looks mosaic-like | e. | the picture has a different aspect
ratio |
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18.
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If you use a wide-angle lens to
shoot down to the street from a tall building, how would the people on the street appear in the
image?
a. | very close to the
camera | b. | the same distance from the camera as they would appear to normal
vision | c. | larger than they really are | d. | farther away from the camera than they would appear to
normal vision | e. | too small to see |
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19.
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You are a director trying to
decide whether to use a zoom or a dolly to create the visual effect of a person going toward a
restaurant table; which of the following statements would give you the correct and proper guidance in
making your decision?
a. | a zoom brings the scene to the
viewer; a dolly takes the viewer into the scene | b. | a dolly brings the scene to the viewer; a zoom takes the
viewer into the scene | c. | there is no perceptible difference between a dolly and a
zoom | d. | it depends on the type of zoom lens | e. | it depends on the zoom
ratio |
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20.
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When should you calibrate a
zoom lens?
a. | only at the beginning of the
shoot | b. | only when the object/subject changes position | c. | every time you have zoomed in and
out | d. | every time either the camera or the object/subject changes
position | e. | every time you enter a new lighting
environment |
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