Description : An alphabet consist of the letters A, B, C and D. The probability of occurrence is P(A) = 0.4, P(B) = 0.1, P(C) = 0.2 and P(D) = 0.3. The Huffman code is a. A = 01 B = 111 C = 110 D = 10 b. A = 0, B = 100, C = 101, D = 11
Last Answer : b. A = 0, B = 100, C = 101, D = 11
Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is A. 8.0 bit B. 2.0 bit C. 1.9 bit D. 2.1 bit
Last Answer : C. 1.9 bit
Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is a. 8.0 bit b. 2.0 bit c. 1.9 bit d. 2.1 bit
Last Answer : c. 1.9 bit
Description : Code {0,01,11,111} is UDC. a. True b. False
Last Answer : b. False
Description : Fax is: A. Facsimile Decoding B. Facsimile Encoding C. Factual Encoding. D. Factual Decoding
Last Answer : B. Facsimile Encoding
Description : Huffman trees use the _______________ of each character to work out their encoding. A. Frequency B. Order in ASCII C. Number value
Last Answer : A. Frequency
Description : When is Run Length Encoding used? A. When we want to compress patterns of data B. When we want to decompress patterns of data C. When we want to encode running videos
Last Answer : A. When we want to compress patterns of data
Description : Huffman coding is an encoding algorithm used for A. lossless data compression B. files greater than 1 Mbit C. broadband systems D. lossy data compression
Last Answer : A. lossless data compression
Description : What process is done by the data compression while encoding the data ? a) Identifying repetition in the data b) Reducing repetition in the data c) Eliminating repetition in the data d) All of these
Last Answer : d) All of these
Description : Run length encoding is a compression method in which repeated ______ of a symbol are replaced. a. Residual b. Occurrence c. Letters d. None
Last Answer : b. Occurrence
Description : ___________has become quite popular for encoding all kinds of images, both computer-generated and “natural” images. a. GIF b. PNG c. TIFF d. JPEG
Last Answer : a. GIF
Description : In Huffman encoding, both the sender and receiver must have a copy of the code a. Same b. Different c. Generate on Demand d. Both (a) and (b)
Last Answer : a. Same
Description : Huffman trees use the _______________ of each character to work out their encoding. a. Frequency b. Order in ASCII c. Number value d. Both (a) and (b)
Last Answer : a. Frequency
Description : Huffman coding is an encoding algorithm used for a. lossless data compression b. files greater than 1 Mbit c. broadband systems d. lossy data compression
Last Answer : a. lossless data compression
Description : In the encoded file, which type of changes are made in sysmbols ? a) They are compressed b) They are changed to a letter or symbol c) They are represented in the graphical form d) No changes are made
Last Answer : d) No changes are made
Description : What is the reason that in the beginning of encoded file there is data telling which digit/letter represents which word ? a) It is needed to convert the file in compression form b) it is ... convert the file in its original uncompressed form d) it is needed to convert the file in graphical form
Last Answer : c) it is needed to convert the file in its original uncompressed form
Description : Where in the encoded file, one can have the data that tells which digit/letter represents which word ? a) Beginning b) Middle c) Ending d) None of these
Last Answer : a) Beginning
Description : In data compression technique, each word is represented by what ? a) Digit b) Letter c) a or b d) Picture
Last Answer : c) a or b
Description : In the encoded file, which type of changes are made in sysmbols ? a. They are compressed b. They are changed to a letter or symbol c. They are represented in the graphical form d. No changes are made
Last Answer : d. No changes are made
Description : Convert 1001 into decimal? A. 8 B. 11 C. 12 D. 9
Last Answer : D. 9
Description : In IEEE 802.11, when a frame isgoingfrom one AP to another AP in a wireless distribution system, the address flag is_____ A) 00 B) 01 C) 10 D) 11
Last Answer : 11
Description : In IEEE 802.11, when a frame isgoingfrom a station to an AP, theaddress flag is _____. A) 00 B) 01 C) 10 D) 11
Last Answer : 10
Description : In IEEE 802.11, when a frame is coming from an AP and going to astation, the address flag is _______. A) 00 B) 01 C) 10 D) 11
Last Answer : 01
Description : In IEEE 802.11, when a frame isgoingfrom one station in a BSS toanother without passing through thedistribution system, the address flag is _____ A) 00 B) 01 C) 10 D) 11
Last Answer : 00
Description : The NOR gate output will be low if the two inputs are (A) 00 (B) 01 (C) 10 (D) 11
Last Answer : A
Description : The NAND gate output will be low if the two inputs are (A) 00 (B) 01 (C) 10 (D) 11
Last Answer : (D) 11
Description : What are the final values of Q1 and Q0 after 4 clock cycles, if initial values are 00 in the sequential circuit shown below: (A) 11 (B) 10 (C) 01 (D) 00
Last Answer : (D) 00
Description : Total number of nodes in the adaptive huffman tree is: A. 2n+1 B. 2n C. 2n-1 D. 2n-2
Last Answer : C. 2n-1
Description : TSVQ stands for _________. A. tree structured vector quantizers B. tree structured valid quantizers C. tree unStructured vector quantizers D. tree structured vector quantity
Last Answer : A. tree structured vector quantizers
Description : How do you move through a Huffman tree? A. 0 = right 1= left B. 1 = left 2 = right C. 0 = left 1 = right D. 0 = middle 1 = back
Last Answer : C. 0 = left 1 = right
Description : How do you move through a Huffman tree? A. 0 = right 1= left B. 1 = left 2 = right C. 0 = left 1 = right 0 = middle 1 = back
Description : In Tree structures vector quantization cluster is divided in a. 2 groups b. 3 groups c. Infinite groups d. N groups
Last Answer : a. 2 groups
Description : Approximately how much bigger (how many more bytes) is a megabyte than a kilobyte? A. 1000 times bigger B. 10,0000 times bigger C. 1,000,000,000 times bigger D. 100,000 times bigger
Last Answer : D. 100,000 times bigger
Description : Code {0,10,100,111} is : a. UDC b. Prefix code c. Instantaneous code d. All above
Last Answer : d. All above
Description : In an all weld tensile test, the original specimen gauge length was 50mm, and after the test the increased gauge length was 65mm, what is the elongation percentage? a) % A is 40 b) % A is 60 c) % A is 30 d) % A is 36
Last Answer : c) % A is 30
Description : To divide information among cells A. Wrap B. Split C. Lock D. Column
Last Answer : B. Split
Description : To change the font size in order to display more text or other data A. Border B. Shading C. Shrink to fit D. Printing area
Last Answer : A. Border
Description : To make lines of text appear on multiple lines of a cell A. Wrap B. Split C. Lock D. Column
Last Answer : D. Column
Description : A webpage is an example of an ........... electronic document A. Comp B. DTP C. On screen D. Online
Last Answer : C. On screen
Description : This document is designed to be viewed ........ on your tablet A. Comp B. DTP C. On screen D. Online
Last Answer : A. Comp
Description : A ........ is an initial document that shows where all text and graphic elements will be placed A. Comp B. DTP C. On screen D. Online
Description : What does 'WYSIWYG' stand for? A. Why you see is why you get B. When you see is when you get C. What you see is what you get D. Where you see is where you get
Last Answer : D. Where you see is where you get
Description : .............. means that a printed document will appear exactly as it does on-screen A. Layout B. Publish C. Clip art D. WYSIWYG
Last Answer : C. Clip art
Description : A particular way of coding information for storage in a computer file A. Raster graphic B. Vector graphic C. File format D. Layer
Last Answer : A. Raster graphic
Description : Data compression which guarantees that all original data can be restored exactly A. Lossless compression B. Lossy compression C. File compression D. Raster compression
Last Answer : B. Lossy compression
Description : Which of these is NOT a way to decrease image blurriness? A. Use compatible file formats B. Increase the size of thumbails C. Save images using loseless compression D. Check if raster or vector graphics work better
Last Answer : A. Use compatible file formats
Description : A program allows a user to design and publish a document using only a computer and a printer A. DTP B. PDF C. PPT D. DOC
Last Answer : A. DTP
Description : The term for small images or icons that can be inserted into a document A. Clip art B. Layout C. DTP D. Posters
Last Answer : C. DTP