provide a practice exam short answer questions and practical c coding questions on these topics: Introduction to PWM Signals

Definition of PWM signals

Hardware applications

PWM signal generation

Hardware vs$.$ software approaches

Generation of a PWM signal using the delay function

PWM signal generation using the timer$/$counter hardware

Waveform generation modes

Fast PWM

PWM$,$ Phase Correct

CTC mode

Normal mode

Fast PWM with fixed TOP$=255$

Fast PWM with flexible TOP value

CTC Mode

Square signal in normal mode

Both channels $($using normal mode$)$

Normal mode with adjustable duty cycle. Comparison between the $8-$bit timer$/$counter and the $16-$bit timer$/$counter

Architecture and registers

Fast PWM mode and PWM phase correct mode

Square wave code $($CTC mode and normal mode$)$