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Home » Engineering » Aptitude Test - 18
Hassan
1.When a voice command is given, the system searches the for a frequency-pattern match ?
A. Memory
B. Input data
C. Dictionary
D. Memory
2.The device which is designed to minimize the background sound is ?
A. Microphone
B. Digitizers
C. Data glove
D. Microphone
3.The quality of a picture obtained from a device depends on ?
A. Dot size
B. Number of dots per inch
C. Number of lines per inch
D. Dot size
4.Which of the following device is not the input device ?
A. Trackball and space ball
B. Data glove
C. Impact printers
D. Trackball and space ball
5.Which device contains thumb-wheel, trackball and a standard mouse ball ?
A. Z mouse
B. Joystick
C. Mouse
D. Z mouse
6.Virtual reality, CAD, and animations are the application of ?
A. Z mouse
B. Digitizers
C. Data tablets
D. Z mouse
7.The Cartesian slope-intercept equation for a straight line is ?
A. y = m.x + b
B. y = b.x + m
C. y = x.x + m
D. y = m.x + b
8.For lines with slope magnitude |m|<1, ?x can be ?
A. A set corresponding vertical deflection
B. A set proportional to a small horizontal deflection voltage
C. Both A & B
D. A set corresponding vertical deflection
9.On raster system, lines are plotted with ?
A. Lines
B. Dots
C. Pixels
D. Lines
10.Expansion of line DDA algorithm is ?
A. Digital difference analyzer
B. Direct differential analyzer
C. Digital differential analyzer
D. Digital difference analyzer
11.Which algorithm is a faster method for calculating pixel positions?
A. Bresenham’s line algorithm
B. Parallel line algorithm
C. Mid-point algorithm
D. Bresenham’s line algorithm
12.The disadvantage of lineDDA is ?
A. Time consuming
B. Faster
C. Both A & B
D. Time consuming
13.An accurate and efficient raster line-generating algorithm is ?
A. DDA algorithm
B. Mid-point algorithm
C. Parallel line algorithm
D. DDA algorithm
14.In Bresenham’s line algorithm, if the distances d1 < d2 then decision parameter Pk is ?
A. Positive
B. Equal
C. Negative
D. Positive
15.Which is the best line algorithm to balance the processing load among the processors ?
A. Parallel line algorithm
B. DDA line algorithm
C. Bresenham’s line algorithm
D. Parallel line algorithm
16.The algorithm which uses multiple processors to calculate pixel positions is ?
A. Midpoint algorithm
B. Parallel line algorithm
C. Bresenham’s line algorithm
D. Midpoint algorithm
17.Coordinate references in the polyline function are stated as ?
A. Relative coordinate values
B. Absolute coordinate values
C. Current position
D. Relative coordinate values
18.To apply the midpoint method, we define ?
A. ?circle(x, y)= x 2+ y 2-? r?2
B. ?circle(x, y)= x+ y2-? r?2
C. ?circle(x, y)= x2– y2-? r?2
D. ?circle(x, y)= x 2+ y 2-? r?2
19.Which is defined as set of points such that the sum of the distances is same for all points ?
A. Ellipses
B. Lines
C. Circles
D. Ellipses
20.If we want to recolor an area that is not defined within a single color boundary is known as ?
A. Boundary-fill algorithm
B. Parallel curve algorithm
C. Flood-fill algorithm
D. Boundary-fill algorithm
21.A parent process calling which system call will be suspended until children processes terminate?
A. Wait
B. Fork
C. Exit
D. Wait
22.Cascading termination refers to termination of all child processes before the parent terminates?
A. Normally
B. Normally
C. Normally or abnormally
D. Normally
23.In UNIX, each process is identified by its?
A. Process Control Block
B. Device Queue
C. Process Identifier
D. Process Control Block
24.In UNIX, the return value for the fork system call is _____ for the child process and _____ for the parent process.?
A. A Negative integer, Zero
B. Zero, A Negative integer
C. Zero, A nonzero integer
D. A Negative integer, Zero
25.The child process can ?
A. Be a duplicate of the parent process
B. Never be a duplicate of the parent process
C. Cannot have another program loaded into it
D. Be a duplicate of the parent process
26.The child process completes execution, but the parent keeps executing, then the child process is known as?
A. Orphan
B. Zombie
C. Body
D. Orphan
27.Which of the following two operations are provided by the IPC facility?
A. Write & delete message
B. Delete & receive message
C. Send & delete message
D. Write & delete message
28.Messages sent by a process?
A. Have to be of a fixed size
B. Have to be a variable size
C. Can be fixed or variable sized
D. Have to be of a fixed size
29.The link between two processes P and Q to send and receive messages is called?
A. Communication link
B. Message-passing link
C. Synchronization link
D. Communication link
30.Bounded capacity and Unbounded capacity queues are referred to as?
A. Programmed buffering
B. Automatic buffering
C. User defined buffering
D. Programmed buffering
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