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

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2. LPF in images filtering process is used for _______? Sharping the image
Blurring image
Edge detection
Filtering the image

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

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

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

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

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

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

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

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

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