Understanding Number Systems: Binary, Octal, and Hexadecimal — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

Understanding Number Systems: Binary, Octal, and Hexadecimal

Learn positional base conversions, binary arithmetic, and computer data representation through structured written lessons and practical drills.

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About this course

Understanding how numbers are represented across different bases is a fundamental skill in computer science and digital logic. This written course introduces you to positional number systems, giving you a clear grasp of binary, octal, decimal, and hexadecimal formats. You will learn to: • Understand foundational concepts such as radix, place value, and positional notation. • Convert values seamlessly between binary, octal, decimal, and hexadecimal bases. • Perform essential binary arithmetic including addition, subtraction, and multiplication. • Explore computer data representation techniques including sign-magnitude and two's complement for signed integers. • Apply standard base conversion algorithms through detailed written explanations and manual drills. The course begins with key terminology and foundational definitions before guiding you step by step through conversion methods and practical calculations. This course is ideal for beginners, students, and aspiring software developers with no prior computer science background required. Start reading today to build a strong foundation in digital logic and numeric representation.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 54m 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Understanding Number Systems: Binary, Octal, and Hexadecimal
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
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PickAClass — Name Surname
Understanding Number Systems: Binary, Octal, and Hexadecimal
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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