Zilogic Systems Engineer Interview Questions and Answers

Python - Strings Parsing (For loop, Split, Len)

Q1. What are different between programming languages that you know which were listed on your resume
Ans. 
Programming languages differ in syntax, features, and applications.
• Syntax: how code is written and structured

• Features: built-in functions, libraries, and capabilities

• Applications: what the language is commonly used for

• Examples: Java for enterprise applications, Python for data science, C++ for system programming
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Q2. Exception (Programming) you faced in your project
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Q3. Which framework you like the most and why?
Ans. 
I prefer the React framework because of its component-based architecture and efficient rendering.
• React's virtual DOM allows for faster rendering and updates compared to traditional DOM manipulation.

• The component-based architecture promotes reusability and modularity, making it easier to maintain and scale applications.

• React's large and active community provides a wealth of resources and support.

• Examples of popular appl...read more
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Q4. What are source of learning such and such skills are on your resume?
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Q5. What are the projects you have done? If it's a group project what was your responsibility?
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Q6. What framework did you use in your previous job?
Ans. 
We used the Angular framework for our web application.
• We chose Angular because of its robustness and ease of use.

• It allowed us to create a single-page application with dynamic content.

• We also utilized Angular Material for UI components.

• We followed the MVC architecture pattern for our codebase.
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Q7. C - What does keyword Extern do?
Ans. 
Keyword Extern is used to declare a variable or function that is defined in another file.
• Extern keyword is used to tell the compiler that the variable or function is defined in another file.

• It is commonly used in header files to declare variables or functions that are defined in source files.

• Extern keyword is not used when defining the variable or function, only when declaring it.

• Example: extern int x; // declares vari...read more
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Q8. C - What does keyword Static do?
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The keyword Static is used to declare a variable or method that belongs to the class and not to the instance of the class.
• Static variables are shared by all instances of the class.

• Static methods can be called without creating an instance of the class.

• Static variables and methods are accessed using the class name instead of the instance name.

• Static variables are initialized only once, at the start of the program.

• Example...read more
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Q9. C - How do you define a function that could take variable arguments like 'printf'?
Ans. 
Define a function in C that accepts a variable number of arguments using stdarg.h.
• Use stdarg.h library for handling variable arguments.

• Define the function with an ellipsis (...) to indicate variable arguments.

• Use va_list, va_start, va_arg, and va_end macros to process the arguments.

• Example: int myPrintf(const char *format, ...) { /* implementation */ }
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Q10. C - Post-increment vs Pre-Increment?
Ans. 
Post-increment returns the value before incrementing, while pre-increment increments first and then returns the value.
• Post-increment: a++ returns the value of a and then increments it

• Pre-increment: ++a increments the value of a and then returns it
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