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 pin acts as EEPROM Clock? GPIO4
GPIO2
GPIO1
GPIO3

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

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

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

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

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

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7. Which module of OpenCV includes 3D reconstruction and calibration? core
callin3D
imgproc
viz

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

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9. Which layer has full-duplex and half-duplex modes of operation? Presentation layer
Session layer
Transport layer
Data link layer

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

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