Communication Engineer Interview Questions and Answers

Modulation types include amplitude modulation, frequency modulation, and phase modulation.

• Amplitude Modulation (AM) - varies the strength of the carrier signal to transmit data

• Frequency Modulation (FM) - varies the frequency of the carrier signal to transmit data

• Phase Modulation (PM) - varies the phase of the carrier signal to transmit data

Characteristics of a wave used for communication include frequency, amplitude, and phase.

• Frequency determines the number of cycles per second, affecting data transmission rate.

• Amplitude represents the strength or intensity of the signal, impacting signal clarity and range.

• Phase refers to the position of the wave relative to a reference point, crucial for synchronization in communication systems.

Code to list prime numbers between 1 and 100

• Iterate through numbers 1 to 100

• Check if each number is prime by dividing it by numbers up to its square root

• If a number is prime, add it to the list of prime numbers

A linked list problem involves manipulating a data structure where each element points to the next one.

• Understand the basic concept of linked lists and how they differ from arrays.

• Be able to implement common operations like insertion, deletion, and traversal on linked lists.

• Consider edge cases such as handling empty lists or dealing with cycles in the list.