Multimedia System MCQ

Question 1 : DVD-5 has ________ storage capacity

1. 8.5 GB
2. 4.7 GB
3. 9.4 GB
4. 18 GB

Question 2 : DCT is applied on video data to remove ____________ redundancy.

1. Spatial
2. Temporal
3. Motion estimation.
4. motion vector.

Question 3 : With reference to multimedia elements, pick the odd-one out of the following:

1. Voice Script
2. Animation
3. Audio
4. Video

Question 4 : ________ is an attack on confidentiality

1. modification
2. Fabrication
3. Interruption
4. Interception

Question 5 : Multimedia system require hard real time scheduling ___________

1. to ensure critical tasks will be serviced within timing deadlines
2. to deliver the media file to the client
3. to minimize the delay
4. for security

Question 6 : JPEG Stands for

1. Joint Photo Exempted Grade
2. Joint Photographic Experts Group
3. Junior Photographic Export Group
4. Junior Photographic Extended Group

Question 7 : The main motive for using steganography is that hackers or other users can hide a secret message behind a ______________

1. Special File
2. Original File
3. Encrypted File
4. Program File

Question 8 : Which authoring system supports cut, copy and paste options?

1. Dedicated Authoring System
2. Timeline based Authoring System
3. Structured Authoring System
4. Programmable Authoring System

Question 9 : Digital signature cannot provide ________ for the message

1. integrity
2. confidentiality
3. Nonrepudiation
4. authentication

Question 10 : IP is _________ datagram protocol

1. Unreliable and connection less
2. reliable and connection less
3. reliable and connection oriented
4. Unreliable and connection oriented

Question 11 : _______ is suitable for long distance comunication

1. DPCM
2. DM
3. PCM
4. ADPCM

Question 12 : ________function creates a message digest out of a message.

1. encryption
2. decryption
3. hash
4. message summary

Question 13 : Lossless compression techniques are good for _____________

1. Song and Video
2. Song
3. text data
4. Video

Question 14 : __________ is used to compress video.

1. MPEG
2. JPEG
3. RIFF
4. TIFF

Question 15 : Digital Camera works on __________ mechanism

1. charge chance device
2. charge coupled device
3. change coupled device
4. charge change device

Question 16 : In JPEG , a gray scale picture is divided into blocks of

1. 5x5 pixels
2. 6x6 pixels
3. 7x7 pixels
4. 8x8 pixels

Question 17 : ______ requires less bandwidth

1. PCM
2. DPCM
3. ACM
4. DM

Question 18 : Audio compression can be used for

1. Speech or Music
2. Voice and Data
3. Picture and Colors
4. Video and Voice

Question 19 : Advantage of Authoring system is:

1. requires more technical knowledge
2. requires less technical knowledge
3. need expertise in authoring system.
4. need professional in authoring system.

Question 20 : ___________ Algorithm evaluates every possible pixel in the search region

1. Block matching
2. Full search block matching
3. three step search
4. 2D Logarithmic search

Question 21 : What is Lossless Compression?

1. No information is lost but file size is increased
2. There is no loss in information at all after compression
3. Files which have the exact same data after compression
4. Compression that involves an algorithm

Question 22 : Example of an analog to analog conversion is

1. Radio
2. Video
3. Television
4. Internet

Question 23 : Which of the following is a simplex protocol?

1. Multicast Source Discovery Protocol (MSDP)
2. User datagram protocol(UDP)
3. Resource Reservation Protocol (RSVP)
4. Internet Group Management Protocol (IGMP)

Question 24 : _________ Algorithm calculates motion vector for an entire block of pixels instead of individual pixels

1. Block matching
2. Full search block matching
3. three step search
4. 2D Logarithmic search

Question 25 : What is compression?

1. To convert one file to another
2. To reduce the size of data to save space
3. To minimize the time taken for a file to be downloaded
4. To compress something by pressing it very hard