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

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

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

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

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

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

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

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

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

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

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