Virtual Labs

Tools

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Programming with on-chip Timers/Counters

Choose difficulty:

Beginner

Intermediate

Advanced

1) How many timer are available in PIC18F4550?

a: 1 Explanation

Explanation

b: 2 Explanation

Explanation

c: 3 Explanation

Explanation

d: 4 Explanation

Explanation

2) Which timer is used for PWM generation?

a: Timer0 Explanation

Explanation

b: Timer1 Explanation

Explanation

c: Timer2 Explanation

Explanation

d: Timer3 Explanation

Explanation

3) What is the primary purpose of a timer in a microcontroller?

a: To store data permanently Explanation

Explanation

b: To count external events like button presses Explanation

Explanation

c: To measure time intervals using clock pulses Explanation

Explanation

d: To increase the microcontroller's clock speed Explanation

Explanation

4) Which of the following is NOT a way to extend the timer's maximum measurable time?

a: Using a prescaler Explanation

Explanation

b: Using interrupts Explanation

Explanation

c: Using a slower oscillator Explanation

Explanation

d: Increasing the clock speed Explanation

Explanation

5)What is the function of a prescaler in a timer operation?

a: To increase the timer's resolution Explanation

Explanation

b: To reduce the frequency of clock pulses before feeding them to the timer Explanation

Explanation

c: To reset the timer on overflow Explanation

Explanation

d: To enable the timer's interrupt feature Explanation

Explanation

6)Which timer(s) in a PIC microcontroller has both prescaler and postscaler?

a: Timer 0 Explanation

Explanation

b: Timer 1 Explanation

Explanation

c: Timer 2 & 4 Explanation

Explanation

d: None of the above Explanation

Explanation

Community Links Sakshat Portal Outreach Portal FAQ: Virtual Labs

AGPL 3.0 & Creative Commons (CC BY-NC-SA 4.0)