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

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

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

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4. What is the process of extracting unique characteristics of a face called? Data comparison
Data Gathering
Face recognition
Face Detection

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

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

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

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

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

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

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