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

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

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

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

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

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

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

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

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

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10. How many nodes can twisted-pair cables host to the maximum? 1024
32
64
1064

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