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Datatech Computers Interview Questions and Answers
Datatech Computers Interview Experiences
3 interviews found
Anonymous
Interview Questionnaire
2 Questions
- Q1. What is linked list
- Ans.
A linked list is a linear data structure where each element is a separate object with a pointer to the next element.
Linked list is a collection of nodes where each node contains data and a reference to the next node.
It allows dynamic memory allocation and efficient insertion and deletion operations.
Examples include singly linked list, doubly linked list, and circular linked list.
- Q2. What is double ended queue
- Ans.
A double ended queue is a data structure that allows insertion and deletion of elements from both ends.
Also known as deque
Can be implemented using arrays or linked lists
Examples include Java's ArrayDeque and C++'s deque container
Useful in algorithms that require insertion/deletion at both ends
Interview Preparation Tips
Skills evaluated in this interview
Intern Interview Questions asked at other Companies
Interview Questionnaire
1 Question
- Q1. System,Network problem
Desktop Support Engineer Interview Questions asked at other Companies
I applied via Company Website and was interviewed before Aug 2021. There were 2 interview rounds.
Issue tracker nd module working
Interview Preparation Tips
System Support Engineer Interview Questions asked at other Companies
Interview questions from similar companies
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.
Interview Preparation Tips
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Java questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
(3 Questions)
- Q1. Explain OOPs w.r.t Java
- Ans.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
- Q2. Explain about the projects that you have worked on
- Q3. Explain how Java solves machine dependency of code execution
- Ans.
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
(2 Questions)
- Q1. Why should we hire you?
- Q2. Tell me about yourself.
Interview Preparation Tips
- Java
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
(1 Question)
- Q1. Print 1 to 100 without for loop
- Ans.
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
(1 Question)
- Q1. General questions as per your cv
Interview Preparation Tips
- Aptitude
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Attended the codevita competition in final year of college.
(3 Questions)
- Q1. About College Project
- Q2. Some very basics of java
- Q3. Experience of college project as a team
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
(1 Question)
- Q1. Interview was fine. Mostly asked about my final year project.
Interview Preparation Tips
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