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? minNeighbors
cropped_face
face_extracter()
detectMultiScale

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

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

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

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

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

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8. What range of integer values is categorized to be an edge? Above U
Above L
Below L
Below U

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

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

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