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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 of the following devices is used to share a single internet connection with multiple networks?
Hub
Router
Switch
LAN Card
View Answer
2. What is the process of extracting unique characteristics of a face called?
Data Gathering
Face Detection
Data comparison
Face recognition
View Answer
3. Which layer has full-duplex and half-duplex modes of operation?
Session layer
Transport layer
Presentation layer
Data link layer
View Answer
4. Which is calculated on the basis of number of peaks in data?
Modality
None of these
Mean
Median
View Answer
5. Which command to user to know the current directory you are working on?
curdir
ls
wd
pwd
View Answer
6. What function is used to detect a face from an image that the user loads as an input?
detectMultiScale
cropped_face
face_extracter()
minNeighbors
View Answer
7. What is not the part of unsupervised learning?
Non-Parametric
Clustering
Dimensional Reduction
Parametric
View Answer
8. Which acts as MISO MOSI pair of Serial Peripherals interface 1?
15, 16
19, 20
4, 5
5, 8
View Answer
9. Which command is used to create a blank file?
Touch
File
VI
Create
View Answer
10. LPF in images filtering process is used for _______?
Sharping the image
Blurring image
Filtering the image
Edge detection
View Answer
11. Which is the purpose of HSV color space?
Color selection
Hue value
Color Segmentation
Color verification
View Answer
12. What range of integer values is categorized to be an edge?
Above L
Below L
Below U
Above U
View Answer
13. What is the name of the trained output file?
Trained.yml
Trained.doc
Trained.jpg
Trained.xml
View Answer
14. Which two GPIO pins have fixed pull up resistors?
GPIO2 & GPIO3
GPIO25 & GPIO5
GPIO15 & GPIO18
GPIO20 & GPIO19
View Answer
15. Which step is based on the premise more images in the training set, the better it is?
Data filtering
Data comparison
Creating test data
Collecting image samples
View Answer
16. Which pin acts as EEPROM Clock?
GPIO4
GPIO3
GPIO1
GPIO2
View Answer
17. Which of the following is a device used to split or share a network connection among multiple computers?
Router
Hub
Switch
NIC Card
View Answer
18. Which module of OpenCV includes 3D reconstruction and calibration?
viz
imgproc
core
callin3D
View Answer
19. Which GPIO acts as Recievers(RX)?
GPIO16
GPIO17
GPIO13
GPIO15
View Answer
20. How many nodes can twisted-pair cables host to the maximum?
1024
32
64
1064
View Answer