Number Systems: Foundations of Computer Science and Binary Math — PickAClass
⏱ 2h 48m 📚 28 lessons

Number Systems: Foundations of Computer Science and Binary Math

Master binary, octal, decimal, and hexadecimal conversions and arithmetic to build a solid mathematical foundation for programming and computer science.

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About this course

Every piece of digital technology relies on a simple foundation: how computers represent and process numbers. Understanding how to work with different number systems is a vital step for anyone entering the world of programming, system administration, or computer science. This written course guides you from the absolute basics of decimal numbers to confidently reading, converting, and performing arithmetic across binary, octal, and hexadecimal systems. You will gain a deep, intuitive understanding of how data is structured at the lowest levels of modern computing. What you'll learn: - Understand the core concepts of positional and non-positional number systems. - Convert numbers seamlessly between binary, octal, decimal, and hexadecimal bases. - Perform basic arithmetic operations like addition and subtraction in non-decimal bases. - Apply number systems to modern computing contexts, including memory addressing, color codes, and networking. - Practice your skills with step-by-step written exercises and self-assessment tests. You will start with fundamental definitions and basic terminology before diving into binary logic. From there, you will progress through practical conversion algorithms and arithmetic, wrapping up with real-world computer science applications. This course is designed for absolute beginners, aspiring software developers, and computer science students. No prior mathematical background beyond basic arithmetic is required. Start reading today to unlock the mathematical secrets behind digital technology.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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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
This certifies that
Name Surname
has successfully demonstrated mastery of
Number Systems: Foundations of Computer Science and Binary Math
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
Number Systems: Foundations of Computer Science and Binary Math
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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