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

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

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

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

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

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

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

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

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

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

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