Computer Science and Informatics Practices: Class 12 Revision Guide — PickAClass
⏱ 2h 54m 📚 29 lessons

Computer Science and Informatics Practices: Class 12 Revision Guide

Master key Python programming, SQL databases, and networking concepts to confidently ace your high school computer science and informatics practices examinations.

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About this course

Preparing for your high school computer science exams can feel overwhelming when balancing programming syntax, database queries, and networking theory. This comprehensive written guide simplifies these core concepts, helping you consolidate your knowledge and build exam confidence. Through clear, step-by-step written explanations and practical code walkthroughs, you will master the foundational theories and practical applications required for Informatics Practices and Computer Science. What you'll learn: - Understand fundamental Python programming concepts, including control flow, functions, and modern type hinting. - Master data manipulation using popular data science libraries like Pandas for dataframes and series. - Write and optimize SQL queries to create, retrieve, and manage relational database systems. - Learn key computer networking concepts, including internet protocols, network topologies, and basic security. - Practice problem-solving with structured written exercises designed to mirror real-world exam challenges. - Explore modern database management trends, including an introduction to non-relational database concepts. You will start by solidifying your understanding of basic programming syntax and data structures before moving on to advanced data analysis and database management. The course concludes with an overview of networking principles and security best practices. This text-based course is designed for high school students preparing for their Class 12 Computer Science or Informatics Practices exams, as well as beginners looking for a structured refresher in Python and SQL. No advanced prerequisites are required. Start reading today to master your computer science curriculum and approach your exams with complete confidence.

Course contents

What you'll get

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  • ⚡ Short & focused
    2h 54m 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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PickAClass
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Computer Science and Informatics Practices: Class 12 Revision Guide
Skills demonstrated
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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
Computer Science and Informatics Practices: Class 12 Revision Guide
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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Just a phone or computer with internet. No installs, no special hardware.

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By card via Stripe. We don’t store card details — Stripe handles them securely.

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Yes — full refund within 14 days, no questions asked.

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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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