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Ecampus Schedule of Classes - Summer 2026

College of Engineering

CS 261 – Data Structures (4)

Abstract data types, dynamic arrays, linked lists, trees and graphs, binary search trees, hash tables, storage management, complexity analysis of data structures. This course may be subject to Enforced Prerequisites that restrict registration into the course. Check the offerings below for more information.

For more information, contact OSU Ecampus at 800-667-1465 (option 1) or ecampus.ess@oregonstate.edu.

Continue to Registration.

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Su26715874014StaffOnline Open12212200
Registration Restrictions
Enforced Prereqs: (CS 162 [C] or CS 162H [C] or CS 165 [C] ) and (CS 225 [C] or MTH 231 [C] or MTH 231H [C] )
Major Restrictions: +039, +307 (Electrical and Computer Engineering, Computer Science)
College Limitations: +16 (Engr)
Class Notes: Jun 22-Aug 14Session 3This course requires online proctored testing, which mayinclude testing fees and the use of security measures,such as a scan of your testing environment and the requiredinstallation of a desktop application. Please carefullyreview online proctored test information at:https://ecampus.oregonstate.edu/services/proctoring Students in this section may be required to interact withteachers, teaching assistants, and students in otherconcurrent sections of the same course.See syllabus for details
Syllabus: Available in Canvas to students enrolled in this course.
Session: Summer 8 Week SessionSession 3 (Summer 8 Week Session)
Su26719744024StaffOnline Open12212200
Registration Restrictions
Enforced Prereqs: (CS 162 [C] or CS 162H [C] or CS 165 [C] ) and (CS 225 [C] or MTH 231 [C] or MTH 231H [C] )
Major Restrictions: +039, +307 (Electrical and Computer Engineering, Computer Science)
College Limitations: +16 (Engr)
Class Notes: Jun 22-Aug 14Session 3This course requires online proctored testing, which mayinclude testing fees and the use of security measures,such as a scan of your testing environment and the requiredinstallation of a desktop application. Please carefullyreview online proctored test information at:https://ecampus.oregonstate.edu/services/proctoring Students in this section may be required to interact withteachers, teaching assistants, and students in otherconcurrent sections of the same course.See syllabus for details.
Syllabus: Available in Canvas to students enrolled in this course.
Session: Summer 8 Week SessionSession 3 (Summer 8 Week Session)
Find textbooks for CS 261 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.

View CS 261 for all available terms


Legend
= Signifies the course as a Baccalaureate Core Course.
= Signifies that fees may apply to the course.
+ = Include restriction.
- = Exclude restriction.
* = Prereq may be taken prior to or simultaneously with this course.