When using a four digit seven segment display it is only possible to display four digits at exactly the same time by:
i) only if you display four different digits
ii) it is impossible to display four digits at exactly the same time
iii) only if you display four of the same digits
iv) only if the microcontroller we are using has enough pins to connect each digit separately
i) only if you display four different digits
ii) it is impossible to display four digits at exactly the same time
iii) only if you display four of the same digits
iv) only if the microcontroller we are using has enough pins to connect each digit separately