Astable and monostable multivibrator using IC 555.

In astable mode of 555 timer, control pin is decoupled by__________.
555 timer consists basically of__________.
An integrated circuit which is used in a Variety of timer, pulse generation, and oscillator applications is
When 555 timer is configured as an astable multi Vibrator, its duty cycle is determined by__________.
Astable mode is also called__________.