Multimedia BPSC Computer Science questions with answers
Ques1: Which of the following process helps in Image enhancement?
a) Digital Image Processing b) Analog Image Processing c) Both a and b
d) None of the above
Ques2: Among the following, functions that can be performed by digital image processing is?
a) Fast image storage and retrieval b) Controlled viewing c) Image reformatting
d) All of the above
Ques3: Which of the following is an example of Digital Image Processing?
a) Computer Graphics b) Pixels c) Camera Mechanism d) All of the mentioned
Ques4: What are the categories of digital image processing?
a) Image Enhancement b) Image Classification and Analysis c) Image Transformation
d) All of the mentioned
Ques5: How does picture formation in the eye vary from image formation in a camera?
a) Fixed focal length b) Varying distance between lens and imaging plane
c) No difference d) Variable focal length
Ques6: What are the names of the various colour image processing categories?
a) Pseudo-color and Multi-color processing b) Half-color and pseudo-color processing
c) Full-color and pseudo-color processing d) Half-color and full-color processing
Ques7: Which characteristics are taken together in chromaticity?
a) Hue and Saturation b) Hue and Brightness c) Saturation, Hue, and Brightness
d) Saturation and Brightness
Ques8: Which of the following statement describe the term pixel depth?
a) It is the number of units used to represent each pixel in RGB space
b) It is the number of mm used to represent each pixel in RGB space
c) It is the number of bytes used to represent each pixel in RGB space
d) It is the number of bits used to represent each pixel in RGB space
Que9: The aliasing effect on an image can be reduced using which of the following methods?
a) By reducing the high-frequency components of image by clarifying the image
b) By increasing the high-frequency components of image by clarifying the image
c) By increasing the high-frequency components of image by blurring the image
d) By reducing the high-frequency components of image by blurring the image
Que10: Which of the following is the first and foremost step in Image Processing?
a) Image acquisition b) Segmentation c) Image enhancement d) Image restoration
ue11: Which of the following image processing approaches is the fastest, most accurate, and flexible?
a) Photographic b) Electronic c) Digital d) Optical
Ques12: Which of the following is the next step in image processing after compression?
a) Representation and description b) Morphological processing c) Segmentation d) Wavelets
Ques13: ___________ determines the quality of a digital image.
a) The discrete gray levels b) The number of samples
c) discrete gray levels & number of samples d) None of the mentioned
Ques14: Image processing involves how many steps?
a) 7 b) 8 c) 13 d) 10
Que15: Which of the following is the abbreviation of JPEG?
a) Joint Photographic Experts Group b) Joint Photographs Expansion Group
c) Joint Photographic Expanded Group d) Joint Photographic Expansion Group
Ques16: Which of the following is the role played by segmentation in image processing?
a) Deals with property in which images are subdivided successively into smaller regions
b) Deals with partitioning an image into its constituent parts or objects
c) Deals with extracting attributes that result in some quantitative information of interest
d) Deals with techniques for reducing the storage required saving an image, or the bandwidth required transmitting it
Ques18: The digitization process, in which the digital image comprises M rows and N columns, necessitates choices for M, N, and the number of grey levels per pixel, L. M and N must have which of the following values?
a) M have to be positive and N have to be negative integer
b) M have to be negative and N have to be positive integer
c) M and N have to be negative integer
d) M and N have to be positive integer
Ques19: Which of the following tool is used in tasks such as zooming, shrinking, rotating, etc.?
a) Filters b) Sampling c) Interpolation d) None of the Mentioned
Ques19: The effect caused by the use of an insufficient number of intensity levels in smooth areas of a digital image ______.
a) False Contouring b) Interpolation c) Gaussian smooth d) Contouring
Ques20: What is the procedure done on a digital image to alter the values of its individual pixels known as?
a) Geometric Spacial Transformation b) Single Pixel Operation
c) Image Registration d) Neighbourhood Operations
Ques21: Points whose locations are known exactly in the input and reference images are used in Geometric Spacial Transformation.
a) Known points b) Key-points c) Reseau points d) Tie points
Ques22: ___________ is a commercial use of Image Subtraction.
a) MRI scan b) CT scan c) Mask mode radiography d) None of the Mentioned
Ques23: Approaches to image processing that work directly on the pixels of incoming image work in _________.
a) Spatial domain b) Inverse transformation c) Transform domain d) None of the Mentioned
Ques24: Which of the following in an image can be removed by using a smoothing filter?
a) Sharp transitions of brightness levels b) Sharp transitions of gray levels
c) Smooth transitions of gray levels d) Smooth transitions of brightness levels
Ques25: Region of Interest (ROI) operations is generally known as _______.
a) Masking b) Dilation c) Shading correction d) None of the Mentioned
Ques26: Which of the following comes under the application of image blurring?
a) Image segmentation b) Object motion c) Object detection d) Gross representation
Ques27: Which of the following filter’s responses is based on the pixels ranking?
a) Sharpening filters b) Nonlinear smoothing filters c) Geometric mean filter
d) Linear smoothing filters
Ques28: Which of the following illustrates three main types of image enhancing functions?
a) Linear, logarithmic and power law b) Linear, logarithmic and inverse law
c) Linear, exponential and inverse law
d) Power law, logarithmic and inverse law
Ques29: Which of the following is the primary objective of sharpening of an image?
a) Decrease the brightness of the image b) Increase the brightness of the image
c) Highlight fine details in the image d) Blurring the image
Ques30: Which of the following operation is done on the pixels in sharpening the image, in the spatial domain?
a) Differentiation b) Median c) Integration d) Average
Ques31: ________ is the principle objective of Sharpening, to highlight transitions.
a) Brightness b) Pixel density c) Composure d) Intensity
Ques32: _________ enhance Image Differentiation?
a) Pixel Density b) Contours c) Edges d) None of the mentioned
Ques33: Which of the following fact is correct for an image?
a) An image is the multiplication of illumination and reflectance component
b) An image is the subtraction of reflectance component from illumination component
c) An image is the subtraction of illumination component from reflectance component
d) An image is the addition of illumination and reflectance component
Ques34: Which of the following occurs in Unsharp Masking?
a) Subtracting blurred image from original b) Blurring the original image
c) Adding a mask to the original image d) All of the mentioned
Ques35: Which of the following makes an image difficult to enhance?
a) Dynamic range of intensity levels b) High noise
c) Narrow range of intensity levels d) All of the mentioned
Ques36: _________ is the process of moving a filter mask over the image and computing the sum of products at each location.
a) Nonlinear spatial filtering b) Convolution c) Correlation d) Linear spatial filtering
Ques37: Which side of the greyscale is the components of the histogram concentrated in a dark image? a) Medium b) Low c) Evenly distributed d) High
Ques38: Which of the following is the application of Histogram Equalisation?
a) Blurring b) Contrast adjustment c) Image enhancement d) None of the Mentioned
Ques39: Which of the following is the expansion of PDF, in uniform PDF?
a) Probability Density Function b) Previously Derived Function
c) Post Derivation Function d) Portable Document Format
Ques40: ____________ filter is known as averaging filters.
a) Bandpass b) Low pass c) High pass d) None of the Mentioned
Ques41: What is/are the resultant image of a smoothing filter?
a) Image with reduced sharp transitions in gray levels
b) Image with high sharp transitions in gray levels
c) None of the mentioned d) All of the mentioned
Ques42: The response for linear spatial filtering is given by the relationship __________
a) Difference of filter coefficient’s product and corresponding image pixel under filter mask
b) Product of filter coefficient’s product and corresponding image pixel under filter mask
c) Sum of filter coefficient’s product and corresponding image pixel under filter mask
d) None of the mentioned
Ques43: ___________ is/are the feature(s) of a highpass filtered image.
a) An overall sharper image b) Have less gray-level variation in smooth areas
c) Emphasized transitional gray-level details d) All of the mentioned
Ques44: The filter order of a Butterworth lowpass filter determines whether it is a very sharp or extremely smooth filter function, or an intermediate filter function. Which of the following filters does the filter approach if the parameter value is very high?
a) Gaussian lowpass filter b) Ideal lowpass filter c) Gaussian & Ideal lowpass filters
d) None of the mentioned
Ques45: Which of the following image component is characterized by a slow spatial variation?
a) Reflectance and Illumination components b) Reflectance component
c) Illumination component d) None of the mentioned
Ques46: Gamma Correction is defined as __________
a) Light brightness variation b) A Power-law response phenomenon
c) Inverted Intensity curve d) None of the Mentioned
Ques47:__________ is known as the highlighting the contribution made to total image by specific bits instead of highlighting intensity-level changes.
a) Bit-plane slicing b) Intensity Highlighting c) Byte-Slicing d) None of the Mentioned
Ques48: Which gray-level transformation increases the dynamic range of gray-level in the image?
a) Negative transformations b) Contrast stretching c) Power-law transformations
d) None of the mentioned
Ques49: What is/are the gray-level slicing approach(es)?
a) To brighten the pixels gray-value of interest and preserve the background
b) To give all gray level of a specific range high value and a low value to all other gray levels
c) both A and B
d) None of the mentioned
Ques50: DDA stands for -
a) Direct differential analyzer b) Data differential analyzer
c) Direct difference analyzer d) Digital differential analyzer
Ques51: The process of displaying 3D into a 2D display unit is called as -
a) Resolution b) Projection c) Rasterization d) Transformation
Ques52: A heavy video in a WBT may not load because of poor
a) Signal b) KBPS c) Presentation d) Bandwidth
Ques53: Which of the following is a Computer Graphics type?
a) Raster and Vector b) Raster and Scalar c) Scalar only d) All of the above
Ques54: Which of the following is the purpose for using clipping in computer graphics?
a) copying b) zooming c) adding graphics d) removing objects and lines
Ques55: In a graphical system, an array of pixels in the picture are stored in which of the following locations?
a) Frame buffer b) Processor c) Memory d) All of the mentioned
Ques56: Bitmap is a collection of ____________ that describes an image.
a) pixels b) algorithms c) bits d) colors
Ques57: Which of the following devices provides positional information to the graphics system?
a) Pointing devices b) Both Input devices and Pointing devices
c) Output devices d) Input devices
Ques58: Which of the following is defined as the number of pixels stored in the frame buffer of a graphics system?
a) Resalution b) Resolution c) Depth d) None of the mentioned
Ques59: Which of the following operations can be used to zoom in or out around any axis on a three-dimensional object from its original position?
a) Rotation b) Shearing c) Scaling d) Translation
Ques60: Which of the following is defined as the drawing of number of copies of the same image in rows and columns across the interface window so that they cover the entire window?
a) Zooming b) Panning c) Tiling d) Roaming
Ques61: Which of the following algorithm is a faster method for calculating pixel positions?
a) Parallel line algorithm b) Mid-point algorithm c) DDA line algorithm
d) Bresenham’s line algorithm
Ques62: Which of the following defines a pixel mask?
a) A string containing 1 and 0 b) A string containing 0 and 0
c) A string containing only 0’s d) A string containing only 1;s
Ques63: What does an aspect ratio mean?
a) Ratio of vertical points to horizontal points
b) Ratio of vertical points to horizontal points and horizontal points to vertical points
c) Number of pixels d) Ratio of horizontal points to vertical points
Ques64: Which of the following device is designed to minimize the background sound?
a) Joystick b) Data glove c) Microphone d) Digitizers
Ques65: ______ packages are used to train and educate people world over.
a) Educational b) E-learning c) E-tutorial d) E-publishing
Ques66: The ___ input addresses the different styles of different users.
a) Multi-sense b) Multimedia c) Multi-facet d) Multi-sensory
Ques67: ______ are typical examples of static images.
a) Photographs b) File c) Jokes d) Messages
Ques68: MIDI was developed in ___ year.
a) 1962 b) 1972 c) 1982 d) 1992
Ques69: The Audio Video Interleave was developed by ___ in 1992.
a) Lotus b) Microsoft c) Apple d) IBM
Ques70:The aliasing effect on an image can be reduced using which of the following methods?
a) By reducing the high-frequency components of image by clarifying the image
b) By increasing the high-frequency components of image by clarifying the image
c) By increasing the high-frequency components of image by blurring the image
d) By reducing the high-frequency components of image by blurring the image
Ques71: Each ___ represents a particular colour.
a) Frame b) Character c) Pixel value d) None of the above
Ques72: Audio compression can be used for____________
a) voice and data b) video and voice c) speech or music d) picture and colors
Ques73: In Audio and Video Compression, voice is sampled at 8000 samples per second with________. a) 8 bits per sample b) 5 bits per sample c) 7 bits per sample d) 6 bits per sample
Ques74: In Real Time Interactive Audio Video, Jitter is introduced in real-time data by delay between____
a) pixels b) layers c) frames d) packets
Ques75: _____ refers to simulated motion pictures showing movement of drawn objects.
a) Motion b) Animation c) VR d) SMD
Ques76: Which of the following is an example of Digital Image Processing?
a) Computer Graphics b) Pixels c) Camera Mechanism d) All of the mentioned
Ques77: How many step processes are there to create a 3-D animation?
a) 1 b) 2 c) 3 d) 4
Ques78: The shockwave format was developed by
a) IBM b) Apple c) Macromedia d) Microsoft
Ques79: Multimedia is widely used to add special_____ to movies
a) Arrangement b) Attachment c) Effects d) Control
Ques80: Which of the following is a primary output device of a graphics system?
a) Printer b) Scanner c) Video monitor d) Neither Scanner nor Video monitor
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