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

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

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

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

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

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

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

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

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

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

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