Number Systems and Computer Arithmetic Fundamentals — PickAClass
⏱ 2h 42m 📚 27 lessons

Number Systems and Computer Arithmetic Fundamentals

Master binary, octal, hexadecimal, and decimal systems alongside essential computer arithmetic through clear written lessons and guided exercises.

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  • 🌐 In English
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About this course

Number systems form the core foundation of computer science, digital electronics, and low-level data representation. This course provides a structured introduction to how numbers are represented, converted, and manipulated in modern computing systems. You will gain a firm grasp of essential mathematical concepts and build confidence in executing arithmetic operations across various number bases. What you'll learn: - Understand fundamental terminology, base concepts, and positional notation - Convert numbers accurately between binary, octal, decimal, and hexadecimal bases - Perform arithmetic operations such as addition and subtraction in non-decimal bases - Explore signed integer representations, including sign-magnitude and two's complement - Analyze practical applications of number systems in modern data storage and memory architecture. The course starts with foundational definitions and key mathematical principles before guiding you through step-by-step conversion methodologies and written arithmetic exercises. Designed specifically for complete beginners, this course requires no previous programming or advanced math background. Begin your journey today to master the underlying logic of modern computing.

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.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
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  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 42m 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 and Computer Arithmetic Fundamentals
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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Number Systems and Computer Arithmetic Fundamentals
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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