1. If a stepper motor has a step size of 90 degree/step, how many steps it will take to complete 5 rotations?
a. 10
b. 15
c. 20
d. 25
2. ADMUX register is associated with
A. Analog to digital conversion
B. PWM operation
C. Digital to analog conversion
D. USART operation

3. Which of the following is an input device?
A. Servo Motor
B. Stepper Motor
C. DC Motor
D. Ultrasonic sensor

4. ATMega324 has 8 bit timers and 16 bit timers
A. 2 & 1
B. 182
C. 2 & 2
D. 0 and 1

6. ISR stands for
A. Internal Status Register
B. Interrupt Status Register
C. Interrupt Service Routine
D. Internal Service Register