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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"
1. Which acts as MISO MOSI pair of Serial Peripherals interface 1?
2. Which two GPIO pins have fixed pull up resistors?
GPIO20 & GPIO19
GPIO2 & GPIO3
GPIO15 & GPIO18
GPIO25 & GPIO5
3. Which command is used to create a blank file?
4. Which of the following devices is used to share a single internet connection with multiple networks?
5. The histogram is extracted from _______ values?
6. LPF in images filtering process is used for _______?
Sharping the image
Filtering the image
7. Which layer has full-duplex and half-duplex modes of operation?
Data link layer
8. What does a lightning boll on the right corner of the Pi screen means?
SD Card Low Memory
None of these
9. Which module of OpenCV includes 3D reconstruction and calibration?
10. Which of the following is a device used to split or share a network connection among multiple computers?
11. What function is used to detect a face from an image that the user loads as an input?
12. Which step is based on the premise more images in the training set, the better it is?
Collecting image samples
Creating test data
13. How many nodes can twisted-pair cables host to the maximum?
14. Which GPIO acts as Recievers(RX)?
15. What is the process of extracting unique characteristics of a face called?
16. What is the name of the trained output file?
17. Which command to user to know the current directory you are working on?
18. What range of integer values is categorized to be an edge?
19. Which is calculated on the basis of number of peaks in data?
None of these
20. Which is the purpose of HSV color space?