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 not the part of unsupervised learning? Clustering
Dimensional Reduction
Non-Parametric
Parametric

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

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

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

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

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

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

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8. Which command is used to create a blank file? File
VI
Create
Touch

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9. Which GPIO acts as Recievers(RX)? GPIO17
GPIO16
GPIO13
GPIO15

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

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