Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. What is the name of the trained output file? Trained.xml
Trained.jpg
Trained.doc
Trained.yml

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2. LPF in images filtering process is used for _______? Filtering the image
Blurring image
Sharping the image
Edge detection

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3. How many nodes can twisted-pair cables host to the maximum? 32
64
1064
1024

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4. What is not the part of unsupervised learning? Clustering
Dimensional Reduction
Non-Parametric
Parametric

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5. What function is used to detect a face from an image that the user loads as an input? detectMultiScale
minNeighbors
cropped_face
face_extracter()

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6. Which is calculated on the basis of number of peaks in data? Modality
Mean
None of these
Median

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7. Which command to user to know the current directory you are working on? wd
curdir
ls
pwd

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8. What range of integer values is categorized to be an edge? Above U
Below U
Above L
Below L

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9. Which module of OpenCV includes 3D reconstruction and calibration? viz
callin3D
core
imgproc

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10. Which layer has full-duplex and half-duplex modes of operation? Presentation layer
Session layer
Transport layer
Data link layer

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