OCS Group Technical Engineer Interview Questions and Answers

Round duration - 60 Minutes
Round difficulty - Medium

The round started at 8 PM. There was one question with several test cases and had to pass every test case in order to get a call for interview.

Q1. 
Nth Fibonacci Number Problem Statement
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.
Input:
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Round duration - 45 Minutes
Round difficulty - Medium

It was first round for 45mins and only one question was asked.

Q1. 
Sum Of Zeroes Coverage Calculation
You are provided with a binary matrix containing dimensions 'N * M', comprised only of 0s and 1s. Your task is to compute the aggregated sum of coverages for all the zer...read more
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Round duration - 45 Minutes
Round difficulty - Easy

It was again 45 min interview and after an intro we quickly jumped in coding.

Q1. 
Word Occurrence Counting
Given a string 'S' of words, the goal is to determine the frequency of each word in the string. Consider a word as a sequence of one or more non-space characters. The string can h...read more
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Round duration - 45 minutes
Round difficulty - Medium

It was an Technical + HR round. The interviewer was very understanding and he checked the overall knowledge of the subject.

Q1. 
Kth Smallest Element Problem Statement
You are provided with an array of integers ARR of size N and an integer K. Your task is to find and return the K-th smallest value present in the array. All elements...read more
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Q1. What is react life cycle?
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Basic questions on maths related parts and analysis skills

Coding questions from various Data Structure parts like linkedList stack queue

Basic logical pogrmaminh

Smaall cart mabnagenebt system i have to built from scratch in laravel

Q1. Technical question about technologies
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Q2. Negaotiation ha done in this
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Q1. Types of German cockroaches
Ans. 
The two main types of German cockroaches are the German cockroach (Blattella germanica) and the Asian cockroach (Blattella asahinai).
• German cockroach (Blattella germanica)

• Asian cockroach (Blattella asahinai)
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Q1. Types of flies and management
Ans. 
There are various types of flies such as house flies, fruit flies, and drain flies. Management includes sanitation, traps, and insecticides.
• House flies are attracted to decaying organic material and can be controlled by keeping trash cans covered and clean.

• Fruit flies are attracted to ripe or rotting fruits and vegetables and can be managed by removing sources of attraction.

• Drain flies breed in drains and sewage system...read more
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Q1. What is Specific power consumption
Ans. 
Specific power consumption is the amount of power consumed per unit of output.
• It is a measure of energy efficiency.

• It is calculated by dividing the power consumed by the output produced.

• It is commonly used in industries to optimize energy usage.

• Examples include kWh/ton in cement production and kWh/kg in textile manufacturing.
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