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

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

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

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

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

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

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

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

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

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

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