STJ Electronics IT Desktop Support Engineer Interview Questions and Answers

Storage variables in C are used to store data temporarily during program execution.

• Storage variables in C are declared using data types like int, float, char, etc.

• They can be stored in different memory locations like stack, heap, or data segment.

• Variables declared outside functions have global scope and are stored in data segment.

• Variables declared inside functions have local scope and are stored in stack memory.

• Dynami...read more

The first three kinds of sorting are bubble sort, selection sort, and insertion sort.

• Bubble sort compares adjacent elements and swaps them if they are in the wrong order.

• Selection sort selects the smallest element and swaps it with the first element, then selects the second smallest element and swaps it with the second element, and so on.

• Insertion sort builds the final sorted array one item at a time by inserting each

Technical Support Engineer interview questions on CMRR, MOSFET, DC-DC converters, PWM, ferrite core, full bridge converter, SMPS transformer designing, and circuit breaker curves.

• CMRR stands for Common Mode Rejection Ratio and is a measure of how well a differential amplifier can reject common-mode noise.

• The main parameters to select a MOSFET as a switching device are its maximum voltage rating, maximum current rating,...read more