Test Your Programming Skills with Safcode!

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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"

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Quiz Start

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

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

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3. Which module of OpenCV includes 3D reconstruction and calibration? imgproc
viz
callin3D
core

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4. Which GPIO acts as Recievers(RX)? GPIO16
GPIO17
GPIO13
GPIO15

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

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6. Which acts as MISO MOSI pair of Serial Peripherals interface 1? 19, 20
4, 5
5, 8
15, 16

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

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

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

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

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

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

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

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

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

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

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

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

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19. Which of the following is a device used to split or share a network connection among multiple computers? Router
NIC Card
Hub
Switch

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

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