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

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

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

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

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

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

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

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

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10. LPF in images filtering process is used for _______? Sharping the image
Blurring image
Filtering the image
Edge detection

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