Correct option is A
In the astable mode, the 555 timer operates as a free-running oscillator:
It continuously switches between HIGH and LOW states
Generates a continuous square wave
No external trigger is required
In which mode of operation does the 555 timer continuously generate a square wave without requiring an external trigger?
In the astable mode, the 555 timer operates as a free-running oscillator:
It continuously switches between HIGH and LOW states
Generates a continuous square wave
No external trigger is required