Computer Science Major (B.Sc.)

60–63 credits · Faculty of Science · 2026-2027 catalogue

Computer Science Major (B.Sc.) as a checklist, with when each course runs in 2026–27. On a computer, check off the courses you have taken or plan to take to add up your credits.

Plan your whole degree in myDegree. It adds your other programs, a Foundation year, electives, prerequisite checks and a term-by-term schedule. Free, no account; your plan stays in your browser. Open myDegree

Required Courses (33 credits)

  • COMP 202 Foundations of Programming (3 credits) · Offered: Summer, Fall, Winter
  • COMP 206 Introduction to Software Systems (3 credits) · Offered: Fall, Winter
  • COMP 250 Introduction to Computer Science (3 credits) · Offered: Fall, Winter
  • COMP 251 Algorithms and Data Structures (3 credits) · Offered: Fall, Winter
  • COMP 273 Introduction to Computer Systems (3 credits) · Offered: Fall, Winter
  • COMP 302 Programming Languages and Paradigms (3 credits) · Offered: Fall, Winter
  • COMP 303 Software Design (3 credits) · Offered: Fall, Winter
  • COMP 310 Operating Systems (3 credits) · Offered: Fall, Winter
  • MATH 222 Calculus 3 (3 credits) · Offered: Summer, Fall, Winter
  • MATH 223 Linear Algebra (3 credits) · Offered: Fall, Winter
  • MATH 240 Discrete Structures (3 credits) · Offered: Fall, Winter

Complementary Courses (30 credits)

Students should talk to an academic adviser before choosing their complementary courses.

At least 6 credits selected from: (6–30 credits)

At least 6 credits selected from:

  • COMP 330 Theory of Computation (3 credits) · Offered: Fall, Winter
  • COMP 350 Numerical Computing (3 credits) · Offered: Fall
  • COMP 360 Algorithm Design (3 credits) · Offered: Fall, Winter

3-9 credits selected from: (3–9 credits)

3-9 credits selected from:

  • MATH 318 Mathematical Logic (3 credits) · Offered: Fall
  • MATH 323 Probability (3 credits) · Offered: Summer, Fall, Winter
  • MATH 324 Statistics (3 credits) · Offered: Fall, Winter
  • MATH 340 Discrete Mathematics (3 credits) · Offered: Winter

Remaining credits (6–30 credits)

At least 6 credits at the 400-level or above. The remaining credits selected from computer science courses at the 300 level or above (except COMP 396 Undergraduate Research Project. ) and ECSE 539 Advanced Software Language Engineering. . Note: Students have to make sure that they have the appropriate prerequisites when choosing upper-level courses.

Related programs

Source: McGill Course Catalogue. myDegree is an independent student project, not affiliated with McGill University.