Spericorn Technology Interview Questions and Answers for Freshers

Q1. Map reduce filter in javascript
Ans. 
Map, reduce, and filter are higher-order functions in JavaScript used to manipulate arrays.
• Map: Transforms each element in an array and returns a new array with the transformed elements.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.
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Q2. Exception handling
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Q1. Basic ios Questions No DS questions
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Q2. Basic swift quesions
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Q3. In App Purchase
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Q4. Hardware Device connectivity
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SQL Test with 5 questions

Q1. Approach towards solving the SQL Queries from the test
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Q2. Past Experiences
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Q1. Resume related Questions
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Q2. Power BI and SQL related questions. How to approach in a dashboard building process
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Round 1: Round 1 was an MCQ exam. The time allotted was 45 minutes and 30 questions had to be answered. There was negative marking for wrong answers(-1)

This was a programming round. We were given 4 questions that had to be solved in 1 hour. The coding questions were-

Matrix multiplication
Program to write linear convolution
A question based on graphs
Another question on the 2D array.

It consists of Computer Science subjects and 2 to 3 apptitudee majorly os and c++

3 question s are provided and they are from strings 2d array and graph

Q1. Matrix multiplication
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Q2. Valid paranthis or not and other dsa related questions
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Q1. About my project s
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Q2. Doubly linked list implementation
Ans. 
A doubly linked list is a data structure where each node contains a reference to the next and previous nodes.
• Nodes have two pointers: one to the next node and one to the previous node.

• Insertions and deletions can be done efficiently at both ends of the list.

• Traversal can be done in both directions.

• Example: DoublyLinkedListNode { data, prev, next }
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Q1. Some scenario based question
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Q2. And general questions
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It is easy and you can clear it.

It was moderate and hard questions

Contains 2 coding questions

Q1. Oops, computer architecture based questions
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Q2. Operating system questions
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Q3. Print the matrix in spiral
Ans. 
Print a matrix in spiral order
• Start by printing the first row from left to right

• Then print the last column from top to bottom

• Continue in a spiral pattern until all elements are printed
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Q4. Computer architecture based questions
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Q5. Tree, linkedlist based questions
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