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Test Your Programming Skills with Safcode!
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"
Quiz Start
1. Which two GPIO pins have fixed pull up resistors?
GPIO2 & GPIO3
GPIO20 & GPIO19
GPIO25 & GPIO5
GPIO15 & GPIO18
View Answer
2. The histogram is extracted from _______ values?
Numerical
Decimal
Octal
Binary
View Answer
3. What is the name of the trained output file?
Trained.doc
Trained.jpg
Trained.xml
Trained.yml
View Answer
4. Which is the purpose of HSV color space?
Hue value
Color verification
Color selection
Color Segmentation
View Answer
5. What does a lightning boll on the right corner of the Pi screen means?
Low Memory
SD Card Low Memory
Low Power
None of these
View Answer
6. LPF in images filtering process is used for _______?
Sharping the image
Edge detection
Filtering the image
Blurring image
View Answer
7. What range of integer values is categorized to be an edge?
Below U
Above U
Above L
Below L
View Answer
8. Which GPIO acts as Recievers(RX)?
GPIO16
GPIO13
GPIO17
GPIO15
View Answer
9. Which pin acts as EEPROM Clock?
GPIO4
GPIO1
GPIO2
GPIO3
View Answer
10. What is the process of extracting unique characteristics of a face called?
Data Gathering
Face recognition
Face Detection
Data comparison
View Answer