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
detectMultiScale
face_extracter()
cropped_face

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

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

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

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

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6. Which of the following devices is used to share a single internet connection with multiple networks? LAN Card
Router
Hub
Switch

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

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

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

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

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