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CS 251EComputer Organization and Design (Enriched)

Units: 0.50
Faculty: Mathematics
Subject: Computer Science

When it runs

F24
W25
S25
F25
W26
S26
F26
W27
S27

Ran in 0 of the last 7 terms. Winter 2027: not on the schedule. Spring 2027: schedule not out yet.

Enriched version of CS 251.

Prerequisites

Complete all of the following
- Earned a minimum grade of 85% in at least 1 of the following:
  - CS136 - Elementary Algorithm Design and Data Abstraction (0.50)
  - CS146 - Elementary Algorithm Design and Data Abstraction (Advanced Level) (0.50)
- Enrolled in H-BBA & BCS Double Degree, H-Computer Science (BCS), H-Computer Science (BMath), JH-Computer Science (BCS), JH-Computer Science (BMath), H-Computing & Financial Management, H-Data Science (BCS), H-Data Science (BMath), or H-Software Engineering

Antirequisites

Complete all of the following
- Not completed nor concurrently enrolled in any of the following:
  - BME393 - Digital Systems (0.50)
  - CS251 - Computer Organization and Design (0.50)
  - ECE222 - Digital Computers (0.50)
  - ME262 - Digital Logic, Microcontrollers, and Programmable Logic Controllers (0.50)
  - MTE262 - Introduction to Digital Logic (0.50)
- Not completed any of the following:
  - SYDE192

Leads to

Check it elsewhere for Fall 2026

Undergraduate Calendar, 2026–27The official entry
Requirements for Fall 2026Waterloo’s requisite checker
Schedule of Classes, Fall 2026Instructors, rooms, live seats
Quest Class SearchWhere you enrol
Course outlinesSyllabi from past terms (UW login)
UW FlowStudent ratings and reviews
WClassesPast sections back to 2004, and who taught them

Calendar versions

Undergraduate Calendar

2020–21
2021–22
2024–25
2025–26
2026–27 requisites changed (shown here)
2019–20 and earlier on ucalendar