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

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

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

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

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

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6. Which command is used to create a blank file? Touch
VI
File
Create

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

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

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

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