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? minNeighbors
cropped_face
face_extracter()
detectMultiScale

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

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

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

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

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

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7. Which of the following is a device used to split or share a network connection among multiple computers? Switch
NIC Card
Hub
Router

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

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

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

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