Applied Computer Science, BS Post-Baccalaureate Courses

Computer Science

Undergraduate Courses | Career Pathways

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Find a path that meets your educational and career goals.

CU Boulder’s online Computer Science courses can help you level up your skills and gain the knowledge and expertise to meet your individual goals. Whether you want to test out online learning through individual courses or find a path toward your specific goal through combined classwork, our experienced faculty and dedicated program staff will support you on your journey. 

Online computer science courses can help you:

  • Complete prerequisite courses for a graduate program
  • Prepare for an internship
  • Gain specialized knowledge in AI or data science
  • Explore the full degree program without the commitment

Choose from any of the classes offered in our program provided that you are able to meet course prerequisites. This is a non-degree option, which means you can enroll in computer science courses for credit without being a degree-seeking student.

If you choose to enroll in the degree program at a later date, the standalone or pathway courses may transfer and be applied to your degree. Learn more about transferring credits.

Career-relevant coursework for professional advancement

Flexible courses to fit your schedule

Complete your courses in 13 weeks year-round

Personalized Student Support

What makes our program unique is the excellent student support you receive from the moment you express interest until you graduate with your degree. Our admissions specialist can answer questions about everything from course selection to meet your personal goals, financial aid and admissions requirements, so you can feel confident in your decision to learn at CU Boulder. Once you’re enrolled in courses, our academic advisor can help you stay on track with your classes and connect you to academic and career resources to make sure you enjoy your journey along the way.

Have Questions?

Lauren Viar

Lauren Viar

Admissions Specialist
Applied Computer Science

cspbonline@colorado.edu

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Individual Courses

Our student-centered format allows you to engage with the coursework you need to achieve your specific goals. Find in-demand classes that help prepare you for graduate school in Computer Science or fill a gap in your professional skills, including:

 

Natural Language Processing

 

Linear Algebra

 

Discrete Structures

 

Algorithms

 

Machine Learning

 

Non-degree students can enroll in fall, spring and summer semesters. 

Full List of Available Courses

The course covers techniques for writing computer programs in high-level programming languages to solve problems of interest in a range of application domains. This class is intended for students with little to no experience with programming.

  • Prerequisites: Minimum program admission requirements.
  • Minimum Passing Grade: C-

Studies data abstractions (e.g., stacks, queues, lists, trees) and their representation techniques (e.g., linking, arrays). Introduces concepts used in algorithm design and analysis including criteria for selecting data structures to fit their applications.

Topics include data and program representations, computer organization effect on performance and mechanisms used for program isolation and memory management.

  • Prerequisites: CSPB or CSCI 1300 Computer Science 1: Starting Computing with minimum grade C-. This course assumes students have a basic understanding of the C or C++ programming language including an introduction to the use of pointers as well as the ability to develop 50-200 line programs.
  • Minimum Passing Grade: C-

Covers how programs are represented and executed by modern computers, including low-level machine representations of programs and data, an understanding of how computer components and the memory hierarchy influence performance.

Topics include data and program representations, computer organization effect on performance and mechanisms used for program isolation and memory management.  

  • Prerequisites: CSPB or CSCI 2270 Data Structures with minimum grade C-. This course requires a basic understanding of the C or C++ programming language including the user of pointers.
  • Minimum Passing Grade: C-

The course covers fundamental ideas from discrete mathematics, especially for computer science students. It focuses on topics that will be foundational for future courses including algorithms, artificial intelligence, programming languages, theoretical computer science, computer systems, cryptography, networks, computer/network security, databases and compilers.

  • Co-requisites: CSPB or CSCI 1300 - Computer Science 1: Starting Computing, or understanding of Python basics.
  • Minimum Passing Grade: C-

Covers the fundamentals of algorithms and various algorithmic strategies, including time and space complexity, sorting algorithms, recurrence relations, divide and conquer algorithms, greedy algorithms, dynamic programming, linear programming, graph algorithms, problems in P and NP and approximation algorithms.

  • Prerequisites: CSPB or CSCI 2270 - Computer Science 2: Data Structures with minimum grade C- and CSPB or CSCI 2824 - Discrete Structures with minimum grade C-.
  • Minimum Passing Grade: C-

Study fundamental concepts on which programming of languages are based, and execution models supporting them. Topics include values, variables, bindings, type systems, control structures, exceptions, concurrency and modularity. Learn how to select a language and to adapt to a new language.

  • Prerequisites: CSPB or CSCI 2270 - Computer Science 2: Data Structures and CSCI 2824 - Discrete Structures, both with minimum grade C-.
  • Minimum Passing Grade: C-

Covers tools and practices for software development with a strong focus on best practices used in industry and professional development, such as agile methodologies, pair-programming and test-driven design. Students develop web services and applications while learning these methods and tools.

  • Prerequisites: CSPB or CSCI 2270 - Computer Science 2: Data Structures with minimum grade C-.
  • Minimum Passing Grade: C-

Introduces the fundamentals of linear algebra in the context of computer science applications. Includes vector spaces, matrices, linear systems and eigenvalues. Includes the basics of floating point computation and numerical linear algebra.

  • Prerequisites: CSPB or CSCI 2824 Discrete Structures with a minimum passing grade of C-
  • Minimum Passing Grade: C-

Introduces students to the tools methods and theory behind extracting insights from data. Covers algorithms of cleaning and munging data, probability theory and common distributions, statistical simulation, drawing inferences from data and basic statistical modeling.

  • Prerequisites: CSPB or CSCI 1300 Computer Science 1: Starting Computing with minimum grade C-.
  • Minimum Passing Grade: C-

Surveys artificial intelligence techniques of search, knowledge representation and reasoning, probabilistic inference, machine learning and natural language.

  • Prerequisites: Prerequisite of CSPB/CSCI 2270, CSPB/CSCI 2824, and CSPB/CSCI 3022, all with minimum grade C-.
  • Minimum Passing Grade: C-

Analyzes design of data systems, including data stored in file systems, database management systems and physical data organizations. Studies calculus of data models, query languages, concurrency and data privacy and security.

  • Prerequisites: CSPB or CSCI 2270 Computer Science 2: Data Structures with minimum grade C-.
  • Minimum Passing Grade: C-

This course serves as an introduction to Cognitive Science, the study of the mind, as an interdisciplinary field with roots in Computer Science along with Psychology, Education and a variety of other fields. Our survey of this area centers on how these ideas of mind both inform and are influenced by computer science ideas.

  • Prerequisites: Minimum program admission requirements.
  • Minimum Passing Grade: C-

Examines the structure and function of operating systems as an intermediary between applications and computer hardware.

Topics include OS design goals, hardware management, multitasking, process and thread abstractions, file and memory management, security and networking. Upon completion, students should be able to perform operating systems functions at the support level in a single-user environment.  

Microcontrollers are ubiquitous in the modern world, in everything from your toaster, microwave and refrigerator, to the complex and sophisticated systems in satellites and self-driving vehicles. We have augmented our Operating Systems course to use a Raspberry Pi in hands-on assignments such as adding systems calls to the Linux operating system running on the Raspberry Pi. The goal is for you to learn to apply the theory of operating systems and gain experience physically working with and changing a real working computer.

  • Prerequisites: CSPB or CSCI 2270 Data Structures, CSPB 2400 and CSPB or CSCI 2824 Discrete Structures (all minimum grade C-). Need to be able to write code in ‘C’ for inclusion in the operating system.
  • Recommended Prerequisites: CSPB or CSCI 3308 Software Development Methods and Tools
  • Minimum Passing Grade: C-

Explore the groundbreaking technologies that have revolutionized how computers understand and generate human language, providing you with the knowledge to build cutting-edge applications in areas like translation, text generation, and question answering.

  • Prerequisites: Requires prerequisite courses of CSPB 1300, CSPB 2824, and CSPB 2270.
  • Minimum Passing Grade: C-

Studies interactive visualization techniques that help people analyze data. This course introduces design, development and validation approaches for interactive visualizations with applications in various domains, including the analysis of text collections, software visualization, network analytics and the biomedical sciences. It covers underlying principles, provides an overview of existing techniques and teaches the background necessary to design innovative visualizations.

  • Prerequisites: CSPB or CSCI 1300 Computer Science 1: Starting Computing and CSPB or CSCI 2824 Discrete Structures with minimum grade C-.
  • Minimum Passing Grade: C-

Introduces basic data mining concepts and techniques for discovering interesting patterns hidden in large-scale data sets, focusing on issues relating to effectiveness and efficiency. Topics covered include data preprocessing, data warehouse, association, classification, clustering and mining specific data types such as time-series, social networks, multimedia and Web data.

  • Prerequisites: CSPB or CSCI 2270 Computer Science 2: Data Structures or CSPB or CSCI 2275 Programming and Data Structures
  • Minimum Passing Grade: C-

Introduces students to tools, methods, and theory to construct predictive and inferential models that learn from data. Focuses on supervised machine learning technique including practical and theoretical understanding of the most widely used algorithms (decision trees, support vector machines, ensemble methods, and neural networks). Emphasizes both efficient implementation of algorithms and understanding of mathematical foundations.

  • Prerequisites: Requires prerequisite courses of CSPB 2270 or CSCI 2270, CSPB 2824 or CSCI 2824, CSPB 2820 or CSCI 2820, and CSPB 3022 and CSCI 3022.
  • Minimum Passing Grade: C-

Course Considerations

Subject to availability, non-degree students may enroll in section 750 after they meet with the Applied Computer Science Post-Baccalaureate program academic advisor and receive permission.

Courses are also available to on-campus undergraduate students pursuing a Computer Science degree. Computer Science degree-seeking students may enroll in summer in section 751.

Course Pathways

Our program offers different course pathways that allow you to gain specialized knowledge and skills to achieve specific learning or career goals whether you are on the path to completing your degree or are a non-degree student with discrete educational objectives.

Full course descriptions are provided above.

Pathway to an Introduction to Computer Science

This introductory pathway is ideal if you seek a comprehensive foundation in both computational thinking and key interdisciplinary areas. 

Courses

Computer Science 1: Starting Computing
Get an introduction to fundamental programming concepts and problem-solving strategies, offering a solid entry point into the field of computer science. 

Discrete Structures
Deepen your understanding of essential mathematical principles, such as logic and combinatorics, which underpin many areas of computer science. 

Cognitive Science
Explore the intersection of computing and human cognition, which will give you insight into how computers can simulate thought processes. 

Information Visualization 
Gain skills to visually represent complex data, a critical skill for communicating technical information effectively. 

Pathway to Internship
 

This pathway gives you foundational skills and practical knowledge necessary to be competitive for internships in the technology industry.

Courses

Computer Science 1: Starting Computing
Focus on building a strong computational foundation by learning the basics of programming and problem-solving.

Computer Science 2: Data Structures
Deepens your knowledge with essential data structures, enabling efficient algorithmic thinking. 

Computer Systems
Get an introduction to the underlying hardware and low-level processes that support software applications, providing a comprehensive understanding of system-level design. 

Software Development Methods and Tools
Learn best practices in software engineering, including version control, testing, and project management, preparing students for collaborative, real-world development environments.

Pathway to Graduate School in Computer Science

This pathway will prepare you to pursue advanced academic studies in computer science by providing the theoretical and practical foundation needed for success in graduate programs.

Courses:

Discrete Structures
Get an introduction to the mathematical principles underpinning computer science, such as logic, set theory, and combinatorics, which are crucial for understanding advanced concepts.

Computer Science 2: Data Structures
Build on knowledge gained in Discrete Structures course by learning how to efficiently manage and manipulate data, a core skill for graduate-level research.

Computer Systems
Gain an understanding of how hardware and software interact, bridging the gap between low-level systems and high-level computing processes.

Design & Analysis of Algorithms
Learn advanced algorithmic techniques and problem-solving strategies, which will prepare you for the rigorous analytical and research demands of graduate school.

Pathway to Data Science Skills

This pathway gives you foundational knowledge in data science and provides analytical and computational challenges in case you are interested in advanced studies in data science.

Courses

Discrete Structures
Gain foundational knowledge by working with fundamental mathematical concepts like logic and combinatorics, essential for algorithm design and data analysis.

Linear Algebra
Learn the mathematical tools necessary to work with large datasets, vectors, and matrices, which are critical for machine learning and statistical modeling.

Introduction to Data Science with Probability and Statistics
Learn core statistical methods and probability theory, which form the basis for data-driven decision-making and predictive analytics.

Data Mining
Learn how to extract valuable insights from large datasets using sophisticated techniques, setting them up for success in the research-heavy environment of data science graduate programs.

Pathway to Artificial Intelligence Skills

This pathway gives you foundational knowledge and specialized skills necessary for research, development and practical applications or further study in Artificial Intelligence.

Courses

Introduction to Artificial Intelligence
Gain a broad overview of AI concepts, from problem-solving techniques to knowledge representation and search algorithms.

Natural Language Processing
Explore the groundbreaking technologies that have revolutionized how computers understand and generate human language, providing you with the knowledge to build cutting-edge applications in areas like translation, text generation, and question answering.

Machine Learning
Study how machines can learn from data, which will give you tools and methods for building models and making predictions.

Cognitive Science
Learn how AI bridges with human cognition, offering insights into how humans think and learn, which can inform the design of more intuitive and human-like AI systems.

These sample pathways illustrate just some of the ways our Computer Science classes can help you meet your goals. We encourage you to talk with an academic advisor about your specific goals so that they can recommend the coursework that can help you along your educational journey. Pathways can be customized to meet individual student needs.

Getting Started

You can start your application and finish anytime. Learn more about the application requirements and process below. If you’ve missed the application deadline, please contact us at cspbonline@colorado.edu to discuss your options.

How to Enroll

  1. Check Prerequisites and Transfer Credits

    CSPB prerequisites listed in the CU Course Catalog must be met prior to enrollment in a given course. Non-degree seeking Continuing Education students should always defer to the prerequisite requirements for CSPB courses.

    Check Prerequisites

    Students who have taken classes outside of CU may be eligible to transfer their credits to satisfy prerequisites. Eligibility can be verified by using Transferology to check course equivalencies.

    Transferology

  2. Complete the Application

    Complete the free, online application as a new non-degree student.

    Non-Degree Student Application

  3. Schedule an Appointment With an Advisor

    After completing your application, non-degree students must set up an appointment to meet with the Applied Computer Science Post-Baccalaureate program academic advisor. This advisor will support you in enrolling in classes and answer any questions you have about the program.

Non-degree Dates and Deadlines

For a complete list of academic dates and deadlines, visit the university's Academic Calendar. Dates are subject to change.

For more information about dates, please contact the Applied Computer Science Post-Baccalaureate academic advisor.

Summer 2025
EventDate
Application DeadlineMay 12
First Day of ClassesMay 19
Last Day to Add a CourseMay 27
Deadline to Drop with 100% Tuition Adjustment* (No Penalty)June 2
Deadline to Withdraw without Petitioning July 18
Deadline to Withdraw from the SemesterAugust 14
Last Day of ClassesAugust 15

13-Week Session

EventDate
Course Enrollment BeginsMarch 31
13-Week Session Classes BeginSeptember 2
Deadline to Add a Class†September 9
Deadline to Drop++, 100% Tuition Adjustment*September 15
Deadline to Withdraw**, 60% Tuition Adjustment*September 22
Deadline to Withdraw**, 40% Tuition Adjustment*September 29
Deadline to Withdraw** without Petitioning^, No Tuition AdjustmentOctober 30
Deadline to Withdraw*** from the SemesterDecember 4
Classes EndDecember 5

All times are in Mountain Time.
† Add a class by 11:59 p.m. online using Buff Portal. Adding a class after the start-date requires program director and instructor approval.
++ Drop a class by 11:59 p.m. online using Buff Portal or by email to ceregistration@colorado.edu.
* Students may be eligible for a possible tuition adjustment or refund. Refer to the program’s cost page for more information.
** Withdraw by 11:59 p.m. online using Buff Portal or by email to ceregistration@colorado.edu. A grade of W will appear on your transcript.
*** Withdraw by 11:59 p.m. by email to ceregistration@colorado.edu. A grade of W will appear on your transcript.
^ Petitioning is designed to provide students who experience unavoidable, extenuating circumstances, the opportunity to waive a University policy that, if enforced, would result in unsatisfactory academic progress or financial consequences. Non-degree students must petition the dean of CEPS and must have an instructor signature. Degree students must petition the dean of the college in which they are enrolled, and must have an instructor signature.

* Drop by 11:59 p.m. online using Buff Portal. 
** Withdraw by 11:59 p.m. online using Buff Portal or by email to ceregistration@colorado.edu. A grade of W will appear on your transcript.

Cost

Tuition and Fees

All non-degree students, regardless of residency, will be charged a flat rate.

2024/2025 Rate: $942.00 Per Credit Hour

  • No additional fees
  • Free application
  • Access to the full curriculum, provided prerequisites are met

Program Offerings Related to these Courses

Students with a prior bachelor’s degree who are looking to make a career pivot, move ahead in their current career path or deepen their knowledge of computer science can earn a second undergraduate degree.

Post-Baccalaureate Bachelor's Degree

Our online Bachelor of Science in Applied Computer Science Post-Baccalaureate degree is designed for working professionals with a prior bachelor’s degree who are looking to enhance or change their career. The program is on an accelerated timeline which means you can earn a second bachelor's degree in just 45 credit hours.

The program aims to produce students who are able to:

  • learn the strong foundational material that distinguishes professionals and lets them keep up with emerging technologies,
  • develop software engineering skills using modern tools and a variety of programming languages,
  • learn the tools and methods needed to work in groups,
  • learn the algorithms and mathematics that underlie Computer Science, Data Science, Artificial Intelligence and Machine Learning, analyze and visualize data while understanding the cognitive processes of decision making, and analyze and create databases and automate analysis using data mining and data science algorithms.

The Benefits of CU Boulder

By taking a computer science course from CU Boulder’s prestigious College of Engineering and Applied Science, you’ll enhance your skills and be better prepared to take part in one of the world’s fastest-growing career fields.

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