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# Technical Interview Questions and Answers :: Virtusa

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## Total Qs: 221+

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1 / 221

Define software engineering?

2 / 221

What are the categories of software?

Application software and system software.

3 / 221

Define cyclomatic complexity?

Cyclomatic complexity is a source code complexity measurement that is being correlated to a number of coding errors. It is calculated by developing a Control Flow Graph of the code that measures the number of linearly-independent paths through a program module.

Lower the Program's cyclomatic complexity, lower the risk to modify and easier to understand. It can be represented using the below formula:

Cyclomatic complexity = E - N   2*P
where,
E = number of edges in the flow graph.
N = number of nodes in the flow graph.
P = number of nodes that have exit points

4 / 221

What are case tools?

CASE stands for Computer Aided Software Engineering. CASE tools are set of automated software application programs, which are used to support, accelerate and smoothen the SDLC activities.

5 / 221

Define testing?

No Discussion on this question yet!

6 / 221

What is white box testing?

white box testing is another name of glass box testing. it is a error correcting

7 / 221

What is Black box testing?

No Discussion on this question yet!

8 / 221

What is verification and validation?

No Discussion on this question yet!

9 / 221

What is debugging?