[Thirdspace] efficient ways to take attendance

Folks -

This semester I am teaching CSCS 300 with 160 students and I am planning to take their attendance. What is an easy way to do that? I do not want them or us to spend much time on this. Ideas?

Best Regards, Ishtiaque

Syed Ishtiaque Ahmed Assistant Professor Department of Computer Science University of Toronto, ON, CA Ph: +1 647 220 3482 Skype: syed.ishtiaque.ahmed web: https://www.ishtiaque.net/ My Availability: Google Calendar Link https://calendar.google.com/calendar/embed?src=ishtiaque.uoft%40gmail.com&ctz=America%2FToronto