Wissen Technology QA QC Engineer Interview Questions and Answers for Experienced

One hour test based basic aptitude and and Computer fundamentals

Q1. What is Quality Engineering
Ans. 
Quality Engineering is the process of ensuring that products and services meet or exceed customer expectations.
• Quality Engineering involves designing, developing, and testing products and services to ensure they meet quality standards.

• It includes identifying and addressing potential quality issues before they become problems.

• Quality Engineering also involves continuous improvement and monitoring of products and service...read more
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Q2. Implement Fibonacci series
Ans. 
Fibonacci series is a sequence of numbers where each number is the sum of the previous two numbers.
• Create an array to store the series

• Initialize the first two elements of the array as 0 and 1

• Use a loop to calculate the next element by adding the previous two elements

• Continue the loop until the desired number of elements is reached
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Q3. What is the difference between Abstract class and Interface
Ans. 
Abstract class can have implementation while interface only has method signatures.
• Abstract class can have constructors while interface cannot.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract class can have non-abstract methods while interface only has method signatures.

• Abstract class can have instance variables while interface cannot.

• Example of abstract class: public abstr...read more
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