Foundational Number Systems for Computer Science — PickAClass
⏱ 2h 36m 📚 26 lessons

Foundational Number Systems for Computer Science

Understand binary, octal, decimal, and hexadecimal bases to build a solid grounding in digital computing and data representation.

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About this course

Understanding how computers process and store information starts with mastering number systems. This introductory written course guides you through positional numeral systems, giving you the skills to convert between different bases and perform fundamental arithmetic required in software development and digital logic. What you'll learn: Learn essential terminology and positional notation principles. Convert values seamlessly between binary, octal, decimal, and hexadecimal formats. Perform basic binary arithmetic including addition and subtraction. Understand signed number representations such as two's complement. Apply bitwise logical operations used in low-level programming. Explore modern data representation concepts including character encoding basics. Starting with key definitions and foundational concepts, the course moves step by step through conversion techniques, binary arithmetic, and modern data structures. This course is created for beginner computing students and aspiring programmers with no previous experience in base conversions. Start reading to master the core mathematical principles behind modern digital systems.

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 36m 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
Foundational Number Systems for Computer Science
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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Foundational Number Systems for Computer Science
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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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