Prospecta Software Development Engineer Interview Questions and Answers

Q1. Operate or control a particualar typing of data device that is attached to a computer
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Q2. Operate or contriol
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Q3. In computing a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton
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Q4. To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc.
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Coding test are just basic Array and linkedList question

Q1. Explain 4 pillar of oops
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Q2. Internal working of Hashmap
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Q3. Crud operation implementation
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Q1. Why are you chaning the organisation?
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30 mins Aptitude Question

30 mins - 3 Coding Question

Q1. Describe Rest API
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Q2. What is various Response code. Diffenrence b/w 200 & 201, 400 & 403
Ans. 
Response codes indicate the status of a HTTP request. 200 & 201 are success codes, while 400 & 403 are client error codes.
• 200 - OK: Request was successful

• 201 - Created: Request was successful and a new resource was created

• 400 - Bad Request: The server cannot process the request due to a client error

• 403 - Forbidden: The server understood the request, but refuses to authorize it
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Q1. 30min technical round
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Q2. Project manager round
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Q3. HR round for salary discussion
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Basic Aptitude questions like quantitative and logical

Programs have to written for given questions

Q1. F2F interview programming questions were asked
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Q2. Questions were asked about projects and technology used in project
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The test contains basic programming output questions and some aptitude questions.

We have to solve 5 programming questions in 1 hour. Questions are on arrays and strings.

Q1. Parenthesis balancing Reversing the string Finding the angle between hour and minute hand of clock
Ans. 
Three technical questions related to string manipulation and clock calculations.
• For parenthesis balancing, use a stack data structure to keep track of opening and closing brackets.

• To reverse a string, use two pointers starting from the beginning and end of the string and swap characters until they meet in the middle.

• To find the angle between hour and minute hand of clock, use the formula (30H - 11/2M) degrees, where H ...read more
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Q2. Prime no Add all digits in a number
Ans. 
The question asks to check if a number is prime and add all its digits.
• To check if a number is prime, we can use a loop to divide it by all numbers from 2 to its square root.

• If the number is divisible by any of these numbers, it is not prime.

• To add all digits in a number, we can use a loop to extract each digit and add it to a running total.
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20 questions were given.
aptitude + simple coding output based.

5 questions were shared on a doc file. We need to code them paste their solutions in the file. Level was easy to medium. Array-string based Questions.

Q1. There Were 3 Technical rounds. In 1st Round Basic coding Questions were Asked on Array like find minimum angle between hour and minute hand. 0,1 array sort and there was another question too which I don't...read more
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Q2. Find minimum angle between hour and minute hand.
Ans. 
Find minimum angle between hour and minute hand.
• Calculate the angle made by hour hand with 12 o'clock position and minute hand with 12 o'clock position.

• Calculate the difference between the two angles.

• If the difference is greater than 180 degrees, subtract it from 360 degrees to get the minimum angle.
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Q3. 0, 1 array sort (keep complexity low)
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Q1. Then on next day Technical Round 2 happened Same another Interviewer and same process. Round was 1 hour long. I was given a question and I had to solve it. I was not asked puzzles but some of my friends we...read more
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Q2. Maximum span of 1 in a 0,1 array
Ans. 
Find the maximum span of 1 in a 0,1 array.
• Iterate through the array and keep track of the first and last occurrence of 1.

• Calculate the difference between the last and first occurrence of 1.

• Repeat the process for all 1's in the array and return the maximum difference.
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Q3. Upside down triangle pattern
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Q1. Next day Technical Round 3 This time my interviewer was a Senior Engineer Interview round was 1 hour+ I was given 2 coding questions then hr questions were asked. In hr they asked me a lot regarding my pro...read more
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Q2. First non repeating Character
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Q3. Sort a binary array using one traversal and no extra space
Ans. 
Sort a binary array using one traversal and no extra space.
• Use two pointers, one starting from the beginning and one from the end of the array.

• Swap the elements if the left pointer points to 1 and the right pointer points to 0.

• Continue traversing until the pointers meet in the middle.
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