Description : colors of the pixels in a digital image are often represented by red, green, and blue values between 0 and 255 (an RGB triplet). A photographer is manipulating a digital image ... using on the digital image? A. Lossless transformation B. Lossy transformation C. Multiband transformation
Last Answer : A. Lossless transformation
Description : ASCII Code is a example of a. Prefix code b. Variable length code c. Fixed length code d. Alphanumeric code
Last Answer : c. Fixed length code
Description : Average length of Extended Huffman code is upper bounded by : a. R b. R+1 c. R-1 d. R+1/n
Last Answer : d. R+1/n
Description : Sequence of code assigned is called a. A. code word b. B. word c. C. byte d. D. nibble
Last Answer : a. A. code word
Description : The binary code for each pixel is used to determine A. Which colour will be displayed B. How big the image is C. What shape the image is D. How many pixels will be in the image
Last Answer : A. Which colour will be displayed
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 : Code {0,10,100,111} is : a. UDC b. Prefix code c. Instantaneous code d. All above
Last Answer : d. All above
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 : Compression method use for Integer type data a. Huffman b. LZ77 c. Golomb Code d. Adaptive Huffman
Last Answer : c. Golomb Code
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 : 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 : 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 : 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 : A Huffman encoder takes a set of characters with fixed length and produces a set of characters of A. fixed length B. constant length C. random length D. variable length
Last Answer : D. variable length
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 : An ________is encoded and the algorithm attempts to use the next smaller context. a. One length context b. Zero context c. Escape symbol d. None
Last Answer : c. Escape symbol
Description : Which of the following is a benefit of lossy compression over lossless? A. File sizes will always be reduced, even when compressed multiple times. B. File quality is not harmed, e.g. ... can be decompressed back to their original uncompressed form. D. File sizes are usually significantly smaller.
Last Answer : C. Files can be decompressed back to their original uncompressed form.
Description : The act of changing the background color of a publication on which the image displays does not make the image look different. A. Color Depth B. Compression C. Portability D. Transparency
Last Answer : D. Transparency
Description : What is the name of a memory buffer used to accommodate a speed differential ? (1) Cache (2) Stack Pointer (3) Accumulator (4) Disc
Last Answer : Cache
Description : The distance of a given tool tip from the surface of workpiece is known as….. a.Tool length b.Tool length offset H c.Cutter radius d.Compensation
Last Answer : b.Tool length offset H
Description : Quantization with one word memory is also called ______. A. Uniform quantizer B. non uniform quantizer C. Jayant Quantizer D. Midrise Quantizer
Last Answer : C. Jayant Quantizer
Description : In polar vector quantization r is called ________. a. Quantum b. Phase c. Magnitude d. None of above
Last Answer : c. Magnitude
Description : Set of L-dimensional blocks called the _______of the vector quantizer. a. Group b. Codebook c. Coding d. Index
Last Answer : b. Codebook
Description : Quantization techniques that operate on blocks of data are called a. Adaptive quantization b. Non uniform Quantization c. Scalar Quantization d. None of the Above
Last Answer : d. None of the Above
Description : The process of representing Infinite set of values with a much smaller set is called a. Mapping b. clustering c. Quantization d. Sampling
Last Answer : c. Quantization
Description : Information per source is called a. A. sampling b. B. quantization c. C. entropy d. D. normalization
Last Answer : c. C. entropy
Description : Source of information depending on finite no of outputs is called a. A. markov b. B. finite memory source c. C. zero source d. D. Both A and B
Last Answer : d. D. Both A and B
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
Description : What is DTP? A. Desktop Program B. Desktop Printout C. Desktop Publishing D. Desktop Power Point
Last Answer : B. Desktop Printout
Description : How does lossy compression reduce the size of files? A. Through removing redundancies by grouping repeated data together. B. By removing some precision in data that humans would have difficulty to ... the amount of storage needed. D. By replacing blocks of data with more compact representations.
Last Answer : D. By replacing blocks of data with more compact representations.
Description : What type of compression actually deletes data and cannot be decompressed? A. File Compression B. Lossless Compression C. Lossy Compression D. Archive Compression
Last Answer : D. Archive Compression
Description : Hamzah needs to email a large file to a classmate. Why might he need to use file compression to do so? A. Email services often only let you send compressed data files. B. Compressed files are ... . D. Email services often have maximum file sizes that prevent you sending files that are too large.
Last Answer : D. Email services often have maximum file sizes that prevent you sending files that are too large.
Description : External data can be useful because: A. It is the most expensive to obtain B. It is the cheapest to obtain C. It is most reliable D. It is the most current
Last Answer : B. It is the cheapest to obtain
Description : shipping/inventory and billing records are examples of A. external data B. internal data C. qualitative data D. clickstream data
Last Answer : B. internal data
Description : Internal data comes from: A. within the organization B. from the government C. inside the target market D. inside the human mind
Last Answer : A. within the organization
Description : Quantitative Data has to do with numbers or data that can be ___. A. Observed B. Tasted C. felt by emotion D. measured
Last Answer : D. measured