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

View Answer

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

View Answer

3. What range of integer values is categorized to be an edge? Above L
Above U
Below U
Below L

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

9. Which step is based on the premise more images in the training set, the better it is? Data filtering
Collecting image samples
Data comparison
Creating test data

View Answer

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

View Answer