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

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

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

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4. Which is the purpose of HSV color space? Color Segmentation
Color selection
Hue value
Color verification

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

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

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7. Which of the following devices is used to share a single internet connection with multiple networks? Switch
LAN Card
Router
Hub

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

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

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10. Which acts as MISO MOSI pair of Serial Peripherals interface 1? 15, 16
5, 8
19, 20
4, 5

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