Multimedia and Signal Coding Mid - I, September - 2014

1.___________ systems use text that is indexed or marked-up to navigate through larger volumes of information.
  • Camera
  • Text
  • Hypertext
  • Multimedia
Answer: C
2.A ___________Computer is a personal computer that has the capability to play music, accurately reproduce pictures and play video.
  • Media
  • Multimedia
  • Analog
  • Digital
Answer: B
3.An _______________ is a spatial representation of an object which can be two dimensional or three dimensional scene
  • Image
  • Audio
  • Video
  • Text
Answer: A
4.Which of the following belongs to the types of video signals
  • Component
  • Composite
  • Super or separated
  • all
Answer: D
5.The vertical and horizontal resolution of NTSC standard is ________lines per frame, __________ lines.
  • 625, 409
  • 525, 340
  • 625340
  • 525, 409
Answer: B
6.The aspect ratio and total channel bandwidth of SECAM standard is __________ and ____________
  • 3:4, 6MHz
  • 4:3, 6MHz
  • 3:4, 8MHz
  • 4:3, 8MHz
Answer: D
7.Huffman coding is the example of ________________compression technique.
  • Lossy
  • lossless
  • both a and b
  • none
Answer: B
8.Data compression schemes could be _________________
  • Static
  • Dynamic
  • both a and b
  • none
Answer: C
9._______________ image is the most important form of computer representation for processing in multimedia systems.
  • Bitmap
  • Recorded
  • Analog
  • Digital
Answer: D
10.________________ Standard uses the algorithm for compression and is limited to 8-bit color image only.
  • GIF
  • TIFF
  • AVI
  • JPEG
Answer: A
11.______________forms the mathematical basis of both lossy and lossless compression.
Answer: Information theory
12.Bitmap image is composed of a matrix of elements called_________________
Answer: Pixels
13.In the context of multimedia _______________ is described as a means of distribution and presentation of information.
Answer: Media
14.The most common and comprehensive form of storage for image on a computer is a _____________________
Answer: Raster or bitmap image.
15.When an analog signal is converted into digital format the signal is said to have quantized and the process of conversion is called___________________
Answer: Quantization
16._________________is defined as the ratio of the number of bits to represent the original data to the number of bits to represent the compressed data.
Answer: Compression ratio
17.A special case of ____________________is the zero/blank character replacement.
Answer: Run-length encoding
18.The technique of converting analog signals to digital form is called_____________________
Answer: Pulse code modulation
19.JPEG stands for _____________________
Answer: Joint Photographic Expert Group
20.____________________compression allows the original data to be recovered exactly.
Answer: Lossless