Defence Research & Development Organisation Associate Engineer Interview Questions and Answers for Experienced

Q1. What are different for of testing
Ans. 
Different forms of testing include unit testing, integration testing, system testing, and acceptance testing.
• Unit testing: Testing individual components or modules of a software application.

• Integration testing: Testing the interaction between different components or modules.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the system meets the requirements and is accepted by the
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Q2. What is sanity check
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A sanity check is a quick test to verify that a specific section of code is working as expected.
• Sanity checks are usually performed after making small changes to code to ensure that nothing major has been broken.

• They are not exhaustive tests, but rather a quick way to catch obvious errors.

• For example, a sanity check could involve verifying that a function returns the expected output for a given input.
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Q1. Multiply 2 numbers without using multiplication operator
Ans. 
Use repeated addition to multiply two numbers without using the multiplication operator.
• Use a loop to add one number to a running total for the other number of times.

• For example, to multiply 3 and 4, add 3 to a running total 4 times: 3 + 3 + 3 + 3 = 12.
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Q2. About my projects
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Q1. Differentiate between RISC and CISC
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RISC stands for Reduced Instruction Set Computing and CISC stands for Complex Instruction Set Computing.
• RISC processors have a smaller set of simple instructions, while CISC processors have a larger set of complex instructions.

• RISC processors typically execute instructions in one clock cycle, while CISC processors may require multiple clock cycles.

• RISC processors rely on optimizing compilers for performance, while CISC...read more
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Q2. Define and differentiate interpreter and compiler
Ans. 
Interpreter translates code line by line while compiler translates entire code at once.
• Interpreter: translates code line by line, slower execution, easier debugging (e.g. Python)

• Compiler: translates entire code at once, faster execution, harder debugging (e.g. C++)
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Q1. DO 178 B/C Process
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DO 178 B/C is a software development standard for airborne systems.
• DO 178 B/C is a set of guidelines for developing software for airborne systems.

• It ensures that software is reliable, safe, and meets regulatory requirements.

• The process includes requirements analysis, design, coding, testing, and verification.

• Compliance with DO 178 B/C is often required for certification of avionics software.
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Q1. Tell me about yourself
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Q1. About your experience
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Gd was on automation and ai

Q1. Multiple questions asked on programming and electronics
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GD topic was how to reduce vibration in an aircraft.
They checked how we approach the problem and find solutions

Q1. They asked how airplanes fly and asked in detail the answer to the GD round question.
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Q2. They asked what is your expectations for a dream job.
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Q3. Asked about my hobbies and what do i like to do in my favorite pastime
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