Essential Computer Science: Algorithms and Data Structures — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Essential Computer Science: Algorithms and Data Structures

Learn how to organize data and solve complex problems efficiently using fundamental algorithms and complexity analysis suitable for new programmers.

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About this course

Programming is more than just writing code; it requires understanding how computers process and store information. This course establishes the crucial theoretical foundation needed to write efficient, scalable software. By mastering the core principles of computer science, you will learn how to approach any programming challenge systematically. You will gain the ability to select the right data structure and algorithm for optimal performance, transforming you from a coder into a true problem solver. What you'll learn: * Understand the foundational concepts of computational thinking, abstraction, and modularity. * Analyze algorithm efficiency and performance using Big O notation and complexity theory. * Implement fundamental linear data structures like arrays, linked lists, stacks, and queues using practical code examples. * Practice essential search, sort, and recursive algorithms critical for solving common programming challenges. * Configure basic tree and graph structures and understand their application in real-world scenarios. * Apply basic software engineering practices, including debugging strategies and introductory version control concepts. The course begins by defining core terminology and computational models, then transitions into detailed explorations of data structures and algorithms, concluding with practical application exercises. The content is delivered through clear, written explanations and code snippets designed for readability. This course is designed specifically for absolute beginners interested in software development or computer science. No prior programming experience or technical background is required. Start building your essential technical foundation today.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    3h of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Essential Computer Science: Algorithms and Data Structures
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Essential Computer Science: Algorithms and Data Structures
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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