Foundations of Number Systems: Binary, Hexadecimal, and Conversions — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Foundations of Number Systems: Binary, Hexadecimal, and Conversions

Learn the essential mathematical foundations of computing by mastering decimal, binary, octal, and hexadecimal systems and performing conversions between them.

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About this course

Every computer programmer and IT professional needs a solid understanding of how numerical data is represented and manipulated at the lowest level. This foundational course demystifies the core number systems that power modern computing. Upon completion, you will possess the critical mathematical knowledge required to understand data representation, memory addressing, and low-level programming logic. This mastery is indispensable for anyone pursuing a career in computer science, software development, or hardware engineering. What you'll learn: * Understand the structure and principles behind positional number systems, including base, place value, and magnitude. * Master the rules for performing basic arithmetic operations (addition, subtraction) within the binary and hexadecimal systems. * Apply reliable methods for converting numbers efficiently between decimal, binary, octal, and hexadecimal bases. * Practice using bitwise operations (AND, OR, XOR) and logical shifts fundamental to low-level programming and data manipulation. * Configure the representation of signed and unsigned integers using complement methods essential for computer architecture. The course begins with the theoretical definitions of number systems before moving into step-by-step conversion techniques and practical binary arithmetic. We conclude by exploring how these systems relate to modern data representation and bitwise logic. This course is designed for absolute beginners with no prior knowledge of computer science or advanced mathematics required. Start building your core technical knowledge today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m 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
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Name Surname
has successfully demonstrated mastery of
Foundations of Number Systems: Binary, Hexadecimal, and Conversions
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
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1.9 hrs
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PickAClass — Name Surname
Foundations of Number Systems: Binary, Hexadecimal, and Conversions
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
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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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