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 is the process of extracting unique characteristics of a face called? Data Gathering
Face Detection
Face recognition
Data comparison

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

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

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

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

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

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

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

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

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

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