DIT 506  DESKTOP PHOTOGRAPHY AND VIDEO EDITING.

UNIVERSITY EXAMINATIONS: 2015/2016
EXAMINATION FOR THE DIPLOMA IN BUSINESS/
INFORMATION TECHNOLOGY
DIT 506 DESKTOP PHOTOGRAPHY AND VIDEO EDITING
DATE: AUGUST 2016 TIME: 1½HOURS
INSTRUCTIONS: Answer Any THREE Questions.

QUESTION ONE
a)Describe the following standards (8 Marks)
(i) ITU
(ii) MP3
(iii) NTSC
(iv) PAL
b) Using Huffman coding with Following frequencies
A    B  C       E
16 21 30 45 15
You are required to encode BCBECA (8 Marks)
c) What is the importance of transitions in video editing (4 Marks)
QUESTION TWO
a) What are the three stages of the video production process? (3 Marks)
(b) How many lines of horizontal resolution are standard in NTSC? (2 Marks)
(c) Using the runlength coding encode the following binary data (4 Marks)
100000010000000100000000011100000001
d) Distinguish between cinematography and videography (4 Marks)
(e) State the challenges experienced in linear video editing (5 Marks)
(f) What is the rule of thirds as used in photography (2 Marks)
QUESTION THREE
KCA university is planning to setup a video production studio to cater for students with
artistic talents in performing arts. As a video production specialist prepare a
recommendation report to the Vice chancellor on the necessary measures, standards and
specifications for the required equipment (you are not required to name brands or
models). (Marks will be given in mentioning cross-cuttings factors encountered in the
diploma programme studied at KCA University). (20 Marks)
QUESTION FOUR
a) A video file takes 2 hours download on a network with a bandwidth of 100MBps. If
the video is in true colour and has a frame rate of 30fps. Calculate the resolution if the
aspect rate is 4:3 (6 Marks)
b) Describe (8 Marks)
i) SECAM
ii) ATSC
c) What are the CHALLENGES faced so far in the usage of digital TV in Kenya
(6 Marks)
QUESTION FIVE
a) Using the LEMPEL ZIV coding algorithm, encode the following
AAABBBCDBBADDFFDAA (5 Marks)
b) Explain the following terms with respect to photography (8 Marks)
(i) SERPIA
(ii) Aperture
(iii) resolution
(iv) backlighting
c) An audio file has the following (16bit stereo, duration of 180 seconds and 96Khz
Calculate the file size. (3 Marks)
d) What roles do the following play in video production (4 Marks)
(a) Scriptwriter
(b) executive director
e) What is the sampling frequency for a sound signal that has a frequency of 44.1khz
(2 Marks)

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