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

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

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

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

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

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

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7. What does a lightning boll on the right corner of the Pi screen means? SD Card Low Memory
None of these
Low Power
Low Memory

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

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9. Which of the following is a device used to split or share a network connection among multiple computers? Switch
NIC Card
Router
Hub

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

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