*C PROGRAM FOR MICROPROCESSOR* Write a C program that will use 7-segement LEDS to display the number of key on the keypad when it is pressed. The display needs to stay on the 7-segment LEDS until the...

*C PROGRAM FOR MICROPROCESSOR* Write a C program that will use 7-segement LEDS to display the number of key on the keypad when it is pressed. The display needs to stay on the 7-segment LEDS until the next key is pressed. Interrupt method is not required.