ChillSemesterSign in

ET 540: Digital Computer Theory I at Queensborough Community College

Fall 2026

Digital Computer Theory I (ET 540) at Queensborough Community College has 6 ways to take it in Fall 2026, plus 7 recitation or lab times you pair with a lecture. 7 of 13 sections have an open seat right now.

Professors teaching it: Mike Metaxas, Ali Ragoub, Edgar Zephyrine, Huixin Wu, Dugwon Seo, Jeffrey Schwartz, and Natalie Sommer, with 1 section still to be announced.

Of the 6 professors with a Chill Rank, Mike Metaxas ranks chillest (Chill) and Jeffrey Schwartz least chill (Busy).

Compare them below, check the days and times, and add the course to your schedule.

This course meets as a lecture plus a lab. Your schedule needs one time from each, and the schedule builder picks them together.

Best professors for ET 540 at Queensborough CC, Fall 2026

Ordered chillest first. A Chill Rank compares a professor with other CUNY professors on Rate My Professors difficulty, rating and would-take-again; it needs at least 3 ratings. How it works

ET 540 sections, times and seats

Seat status as of Oct 4, 5:19 PM ET. Seats can change between refreshes. How fresh is this?

6 of 6 lecture options · 7 lab times folded inside · 7 of 13 sections open

Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means

You need one lecture and one lab. They can be combined freely, so pick each separately; the schedule builder checks the times together.

Mon/Wed · 9:10 AM - 10:25 AM
C13-LEC · Online Synchronous · Online-Synchronous
Ali RagoubChill Rank 2 of 5: Easy?★ 4.6(33)Difficulty 2.7/5 · 88% would take again#2 chillest of 6 for this course
Open
Tue/Thu · 10:10 AM - 11:25 AM
D24-LEC · In Person · Science 223
Huixin WuChill Rank 4 of 5: Busy?★ 3.4(22)Difficulty 3.6/5 · 59% would take again#4 chillest of 6 for this course
Open
Tue/Thu · 1:40 PM - 2:55 PM
G24A-LEC · In Person · Science 223
Mike MetaxasChill Rank 1 of 5: Chill?★ 4.8(27)Difficulty 2.0/5 · 100% would take again#1 chillest of 6 for this course
Closed
Tue/Thu · 1:40 PM - 2:55 PM
G24B-LEC · In Person · Science 224
Ali RagoubChill Rank 2 of 5: Easy?★ 4.6(33)Difficulty 2.7/5 · 88% would take again#2 chillest of 6 for this course
Open
Mon/Wed · 3:10 PM - 4:25 PM
J13-LEC · In Person · Tech Bldg T03B
Instructor not announced yet
Closed
Mon · 6:10 PM - 8:50 PM
M1-LEC · In Person · Tech Bldg T22
Edgar ZephyrineChill Rank 2 of 5: Easy?★ 5.0(10)Difficulty 3.0/5 · 100% would take again#3 chillest of 6 for this course
Open
Pick a lab · 7 labs · 3 open · 9:10 AM to 6:10 PM start times
  • C1L-LABMon · 9:10 AM - 11:50 AM
    Dugwon SeoChill Rank 4 of 5: Busy?★ 2.7(25)Difficulty 3.5/5 · 48% would take again#5 chillest of 6 for this course
    In PersonOpen
  • C4L-LABThu · 9:10 AM - 11:50 AM
    Jeffrey SchwartzChill Rank 4 of 5: Busy?★ 3.1(48)Difficulty 3.8/5 · 52% would take again#6 chillest of 6 for this course
    In PersonClosed
  • C5L-LABFri · 9:10 AM - 11:50 AM
    Natalie SommerNo Rate My Professors rating found
    Online SynchronousClosed
  • F1L-LABMon · 12:10 PM - 2:50 PM
    Dugwon SeoChill Rank 4 of 5: Busy?★ 2.7(25)Difficulty 3.5/5 · 48% would take again#5 chillest of 6 for this course
    In PersonClosed
  • J2L-LABTue · 3:10 PM - 5:50 PM
    Mike MetaxasChill Rank 1 of 5: Chill?★ 4.8(27)Difficulty 2.0/5 · 100% would take again#1 chillest of 6 for this course
    In PersonOpen
  • J4L-LABThu · 3:10 PM - 5:50 PM
    Ali RagoubChill Rank 2 of 5: Easy?★ 4.6(33)Difficulty 2.7/5 · 88% would take again#2 chillest of 6 for this course
    In PersonClosed
  • M3L-LABWed · 6:10 PM - 8:50 PM
    Edgar ZephyrineChill Rank 2 of 5: Easy?★ 5.0(10)Difficulty 3.0/5 · 100% would take again#3 chillest of 6 for this course
    In PersonOpen

Questions about ET 540 at Queensborough CC

Who teaches ET 540 at Queensborough CC in Fall 2026?
Mike Metaxas, Ali Ragoub, Edgar Zephyrine, Huixin Wu, Dugwon Seo, Jeffrey Schwartz, and Natalie Sommer are listed for Fall 2026; 1 section still has no instructor announced. Each name links to a page with their Chill Rank and Rate My Professors numbers.
Is ET 540 at Queensborough CC hard?
It depends on the professor. Across the 6 professors with a Chill Rank, students on Rate My Professors give an average difficulty of 3.1 out of 5. The Chill Rank above compares them directly.
What if a ET 540 section is full?
Try another section, join the waitlist in CUNYfirst if there is one, or ask the department. You can also watch a full section and get an email when a seat opens; you still enroll yourself in CUNYfirst.