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? cropped_face
minNeighbors
face_extracter()
detectMultiScale

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

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

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

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

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

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

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

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

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