Operating System Questions and Answers on “Multimedia System – Compression” and will also be useful for GRE examinations.
1. The ability to move around within a media stream is known as ___________
a) buffering
b) random access
c) access
d) sequential access
Answer: b
Clarification: None.
2. What are the two types of real time streaming?
a) live & on demand streaming
b) dead & static streaming
c) static & on demand streaming
d) on demand streaming
Answer: a
Clarification: None.
3. Random access is not allowed in ___________
a) live streaming
b) dead streaming
c) static streaming
d) on demand streaming
Answer: a
Clarification: None.
4. The streaming that takes place as the event is occurring is ___________
a) live streaming
b) dead streaming
c) static streaming
d) on demand streaming
Answer: d
Clarification: None.
5. For a computer to deliver continuous media it must guarantee the specific rate and timing requirements, also known as ___________
a) deadline
b) quality of service
c) period
d) burst time
Answer: b
Clarification: None.
6. For QOS to be implemented properly ___________
a) file systems must be efficient to meet the rate requirements of continuous media
b) network protocols must support bandwidth requirements while minimizing delay and jitter
c) all of the mentioned
d) none of the mentioned
Answer: c
Clarification: None.
7. What will happen once a file is compressed?
a) it has a better quality
b) it takes up less space for storage
c) it cannot be delivered to the client more quickly
d) none of the mentioned
Answer: b
Clarification: None.
8. Compression ratio is the ratio of ___________
a) the original file size to the size of the compressed file
b) the number of pixels in a frame of the original size to those in a frame of the compressed file
c) compressed file size to the original file size
d) none of the mentioned
Answer: a
Clarification: None.
9. Lossy and lossless are classifications of ___________
a) multimedia storage systems
b) files
c) compression algorithms
d) all of the mentioned
Answer: c
Clarification: None.
10. Lossy techniques provide ___________ when compared to lossless techniques.
a) lower compression ratios
b) much higher compression ratios
c) similar compression ratios
d) none of the mentioned
Answer: b