Computer Science Fundamentals Test
Tests computer science fundamentals — how computers represent and process data, hardware and operating systems, programming concepts and simple algorithms, and how networks, the internet and basic security work. Pass to earn Computer Science Fundamentals SOA-CSF.
- Beginner difficulty.No experience needed: fundamentals and clear reasoning.
- 15 scenario questions
- 15 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Computer Science Fundamentals Test?
The Computer Science Fundamentals Test is a free beginner-level, 15-minute skill test from Science of Apps. It tests computer science fundamentals — how computers represent and process data, hardware and operating systems, programming concepts and simple algorithms, and how networks, the internet and basic security work. Score 70% or more on its 15 questions to earn a verifiable Computer Science Fundamentals certificate (SOA-CSF). Every question is based on published standards and research — including CS50: Introduction to Computer Science (Harvard University), CompTIA A+ certification (CompTIA), CompTIA Network+ certification (CompTIA) — and each answer is explained with its source.
Built for your job title
Student, Aspiring developer, IT support trainee, Career changer and Tech-curious professional — and anyone who wants quick, verifiable proof of Computer Science Fundamentals skills for a CV or LinkedIn.
- Student
- Aspiring developer
- IT support trainee
- Career changer
- Tech-curious professional
What the test covers
Three skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Data and Hardware
33%- Binary and data representation
- Computer components
- Operating systems
- 02
Programming and Algorithms
33%- Programming concepts
- Algorithms and searching
- Compilers and debugging
- 03
Networks, the Internet and Security
33%- How the internet works
- Web basics
- Security basics
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- CS50: Introduction to Computer ScienceHarvard University16 questions
- CompTIA A+ certificationCompTIA4 questions
- CompTIA Network+ certificationCompTIA3 questions
- HTTPMDN Web Docs2 questions
- SP 800-63B: Digital Identity GuidelinesNIST2 questions
- Phishing: Spot and report scam emails, texts, websites and callsUK National Cyber Security Centre1 question
- CompTIA Security+ certificationCompTIA1 question
- AWS Certified Solutions Architect – AssociateAmazon Web Services1 question
Try a sample question
The binary number 1010 equals the decimal number
- 10
- 8
- 12
- 1,010
Show the answer
A. 10 — 8 + 0 + 2 + 0. The real test has 15 questions like this.
How the test works
15 minutes, 15 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 15-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Computer Science Fundamentals
Science of Apps
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Frequently asked questions
What is the Computer Science Fundamentals Test?
The Computer Science Fundamentals Test is a free beginner-level, 15-minute skill test from Science of Apps. It tests computer science fundamentals — how computers represent and process data, hardware and operating systems, programming concepts and simple algorithms, and how networks, the internet and basic security work. Score 70% or more on its 15 questions to earn a verifiable Computer Science Fundamentals certificate (SOA-CSF). Every question is based on published standards and research — including CS50: Introduction to Computer Science (Harvard University), CompTIA A+ certification (CompTIA), CompTIA Network+ certification (CompTIA) — and each answer is explained with its source.
How do I take the Computer Science Fundamentals Test for free?
Read the three skill areas on this page, then take the 15-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Computer Science Fundamentals certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Computer Science Fundamentals Test questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: CS50: Introduction to Computer Science (Harvard University); CompTIA A+ certification (CompTIA); CompTIA Network+ certification (CompTIA); HTTP (MDN Web Docs); SP 800-63B: Digital Identity Guidelines (NIST); Phishing: Spot and report scam emails, texts, websites and calls (UK National Cyber Security Centre). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Computer Science Fundamentals Test cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Data and Hardware (Binary and data representation, Computer components and Operating systems); Programming and Algorithms (Programming concepts, Algorithms and searching and Compilers and debugging); Networks, the Internet and Security (How the internet works, Web basics and Security basics). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Computer Science Fundamentals Test?
Student, Aspiring developer, IT support trainee, Career changer and Tech-curious professional. It suits anyone who wants a quick, verifiable way to show Computer Science Fundamentals skills, from students and career switchers to experienced professionals.
Can I use this for computer science quiz, CS basics test or computing basics quiz?
Yes. The Computer Science Fundamentals Test is free and covers all of these: 15 scenario questions in 15 minutes, each answer explained with the source it comes from, so it works as interview and exam practice. It isn't a full course, so use the areas you miss as your study list. Scoring 70% or more earns a verifiable certificate.
Can I take the Computer Science Fundamentals Test from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Computer Science Fundamentals Test?
15 questions — 5 from each of 3 skill areas — with a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How hard is the Computer Science Fundamentals Test?
We rate it Beginner: no experience needed: fundamentals and clear reasoning. It has 15 scenario questions — 5 from each of 3 skill areas — and a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
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