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

View Answer

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

View Answer

3. Which command is used to create a blank file? VI
Create
Touch
File

View Answer

4. How many nodes can twisted-pair cables host to the maximum? 64
1064
32
1024

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer