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

View Answer

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

View Answer

3. What is not the part of unsupervised learning? Non-Parametric
Parametric
Dimensional Reduction
Clustering

View Answer

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

View Answer

5. Which is calculated on the basis of number of peaks in data? Median
Modality
Mean
None of these

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer