Pramati Technologies Senior Systems Engineer Interview Questions and Answers

Event loop is a mechanism that allows non-blocking I/O operations in a single-threaded environment.

• Event loop is used in programming languages like JavaScript and Python.

• It manages the execution of multiple tasks by prioritizing them based on their priority level.

• It continuously checks for new events and executes them in a loop.

• It allows for efficient handling of I/O operations without blocking the main thread.

• It is co...read more

let, var and const are used to declare variables in JavaScript with different scoping rules and mutability.

• let and var are used to declare variables that can be reassigned later, but var has function scope while let has block scope.

• const is used to declare variables that cannot be reassigned and have block scope.

• Using const does not mean the value is immutable, only the variable reference is.

• let and const were introduc...read more

I rate myself as proficient in programming languages with experience in Java, Python, and C++.

• Proficient in Java, Python, and C++

• Experience in developing applications using these languages

• Familiarity with various frameworks and libraries

• Ability to write efficient and optimized code

• Experience in debugging and troubleshooting

• Continuously learning and improving skills

A program to calculate the average of a list of numbers.

• Prompt the user to enter a list of numbers separated by commas.

• Split the input string into an array of numbers.

• Calculate the sum of the numbers in the array.

• Divide the sum by the length of the array to get the average.

• Display the average to the user.