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

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

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

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

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

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

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7. Which layer has full-duplex and half-duplex modes of operation? Presentation layer
Transport layer
Data link layer
Session layer

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

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

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

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