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. The histogram is extracted from _______ values? Octal
Numerical
Binary
Decimal

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

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3. Which two GPIO pins have fixed pull up resistors? GPIO20 & GPIO19
GPIO15 & GPIO18
GPIO25 & GPIO5
GPIO2 & GPIO3

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4. Which step is based on the premise more images in the training set, the better it is? Data comparison
Creating test data
Data filtering
Collecting image samples

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5. Which pin acts as EEPROM Clock? GPIO1
GPIO2
GPIO4
GPIO3

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

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

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

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

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

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