CAMS Computer Operator/Data Entry Operator Interview Questions and Answers

It was on mettle, had 3 coding qns, MCQs on DBMS, CN, Aptitude etc

It was on a quote by FB saying everyone wants to become like Musk, it went on for 30 mins

Q1. It was basic behavioral questions
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Asked a few Leetcode style questions

The coding test comprised 4 questions, held on the Hackerank platform. The time-bound was 90 minutes. I would rate the questions as easy, medium, medium, and hard. You had to solve at least 3 and 80% of the test cases of the last question to qualify for the last round.

Q1. Polymorphism and types of polymorphism.
Ans. 
Polymorphism is the ability of an object to take on many forms. Types include compile-time, runtime, and ad-hoc polymorphism.
• Compile-time polymorphism is achieved through function overloading and templates.

• Runtime polymorphism is achieved through inheritance and virtual functions.

• Ad-hoc polymorphism is achieved through operator overloading and function templates.

• Polymorphism allows for code reusability and flexibility ...read more
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Q2. Relational databases to which I said I had no idea.
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Q3. Binary tree traversal quesiton.
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Q4. Doubly linked list traversal question.
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Q5. Asked about projects.
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Q1. Buy and sell stocks 1
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Q2. Buy and sell stocks 2.
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Q3. An easy puzzle in which the interviewer tries to trick me with my answer. Be confident.
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Q1. String hashing problem, which I solved with KMP using O(n3) solution.
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Q2. Contributions to open source communities.
Ans. 
Contributed to open source communities by developing and maintaining projects.
• Developed and maintained a Python package for data analysis and visualization

• Contributed to a popular JavaScript library by fixing bugs and adding new features

• Participated in open source hackathons and contributed to various projects

• Provided support and guidance to new contributors in the community
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Q3. JEE Mains rank, KVPY rank.
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Work and distance, work and time

SQL server and manual test and Java

Number system and rational and proportion

Clarity on manual test and Java class

Q1. What is the software
Ans. 
Software is a set of instructions that tells a computer what to do.
• Software is a collection of programs, data, and instructions that tell a computer how to perform specific tasks.

• It can be categorized into system software, application software, and middleware.

• Examples of software include Microsoft Office, Adobe Photoshop, and Google Chrome.
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Q2. What is the white Box testing
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White Box testing is a software testing technique that examines the internal structure and implementation of the system.
• White Box testing is also known as Clear Box testing, Glass Box testing, or Structural testing.

• It involves testing the code, logic paths, and internal components of the software.

• Test cases are designed based on the knowledge of the internal structure of the system.

• It helps in identifying errors, code ...read more
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Q3. What is the software testing
Ans. 
Software testing is the process of evaluating a software application or system to ensure it meets the specified requirements.
• Software testing is done to identify defects or errors in the software.

• It involves executing the software with test cases and comparing the actual results with expected results.

• Different types of testing include unit testing, integration testing, system testing, and acceptance testing.

• Testing can...read more
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