Dit 50 Desktop Photography And Video Editing Question Paper
Dit 50 Desktop Photography And Video Editing
Course:Diploma In Information Technology
Institution: Kca University question papers
Exam Year:2014
UNIVERSITY EXAMINATIONS: 2013/2014
ORDINARY EXAMINATION FOR THE DIPLOMA IN
INFORMATION TECHNOLOGY
DIT 50 DESKTOP PHOTOGRAPHY AND VIDEO EDITING
DATE: AUGUST, 2014
TIME: 11/2HOURS
INSTRUCTIONS: Answer Any Three Questions
QUESTION ONE
a)
A text file that uses only five characters (A, B, C, D, E) with the following
frequencies. What is the Huffman coding for EAEBAECDEA
b)
[10 Marks]
Define the following terms as used in desktop photography and video editing
[10 Marks]
a) Rule of thirds
b) video splitting
c) shutter
d) aperture
e) focal length
f) contrast
g) luminance
h) pixelate
i) hue
j) sepia.
QUESTION TWO
a)
Explain the following terms
i) colour depth
ii)
[5 Marks]
resolution
1
iii) frame rate
iv) video time
v) frame size
b)
A video clip is captured with a resolution of 320 x 240, and using a colour depth
of 16 bits. The frame rate is 25 fps, and the clip has duration of 29 seconds.
Calculate the file size of the video clip.
c)
What are the TEN General parameters of a video
[5 Marks]
[10 Marks]
QUESTION THREE
(a) What is the difference between bit rate of video and data rate of video? [4 Marks]
(b) Does data rate effects the quality of video? [2 Marks]
(c) What are the factors affecting Resolution of a video? [4 Marks]
(d) Explain the purpose of storyboards in terms of organising multimedia [2 Marks]
(e) Describe two methods of i) [2 Marks]
ii)
(f)
Audio data compression. Video data compression. [2 Marks]
Explain the process of morphing as it applies to digital images.
[4 Marks]
QUESTION FOUR
(a) Calculate the number of gigabytes in a 2-hour digital movie if each frame in the
movie is made up of 512 × 512 pixels, each pixel is assigned a 9-bit binary code,
and each second of the movie requires 24 frames, without any compression.
[8 Marks]
(b) Other than the video camera, which other TWO things do you require to do video
editing?
[2 Marks]
2
(c)
i.
List FIVE video editing software OTHER than Windows movie maker or
Live maker [5 Marks]
ii. Define rendering as used in video editing [2 Marks]
iii. What is the importance of video effects and music effects in editing
[3 Marks]
QUESTION FIVE
What do the following abbreviations represent
i) CCD
ii) SLR
iii) JPEG
iv) TIFF
v)
[5 Marks]
GIFF
d) State key considerations in making a documentary video [5 Marks]
e) What are the THREE standard frame rate? [3 Marks]
f) Distinguish between progressive & interlaced in video formats [2 Marks]
g) What FIVE factors would you consider before producing your movie for
distribution
[5 Marks]
3
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