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

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2. What is not the part of unsupervised learning? Dimensional Reduction
Clustering
Non-Parametric
Parametric

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

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

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

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

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

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

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

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

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