CBSE 2026 results are out, Mukul scored a perfect 100/100 in Computer ScienceSee all toppers →

KwickAcademy Computer Systems · free

Computer Systems: free video lessons

30 lessons on Computer Systems, about 214 minutes in total, taught by Kajal Ma'am. Each one has the video, the tables from the board, the quick answers and the full text.

AI: Characteristics, Expert Systems and Machine Learning

AI: Characteristics, Expert Systems and Machine Learning

8 min · 4 KwickClips
Adders and Combinational Circuits: Half Adder and Full Adder

Adders and Combinational Circuits: Half Adder and Full Adder

8 min · 4 KwickClips
Binary Arithmetic: Addition, Overflow, Two's Complement and Shifts

Binary Arithmetic: Addition, Overflow, Two's Complement and Shifts

6 min · 4 KwickClips
Boolean Algebra: Laws and Theorems

Boolean Algebra: Laws and Theorems

8 min · 4 KwickClips
Canonical SOP and POS Forms and Karnaugh Maps

Canonical SOP and POS Forms and Karnaugh Maps

9 min · 4 KwickClips
Character Encoding: ASCII, ISCII and Unicode

Character Encoding: ASCII, ISCII and Unicode

6 min · 4 KwickClips
Components of a Computer System and the Block Diagram

Components of a Computer System and the Block Diagram

6 min · 4 KwickClips
Data Compression: Lossy and Lossless

Data Compression: Lossy and Lossless

5 min · 4 KwickClips
Embedded Systems

Embedded Systems

7 min · 4 KwickClips
Emerging Trends: Artificial Intelligence, Machine Learning, NLP and Robotics

Emerging Trends: Artificial Intelligence, Machine Learning, NLP and Robotics

8 min · 4 KwickClips
Emerging Trends: Cloud Computing, Grid Computing and Blockchain

Emerging Trends: Cloud Computing, Grid Computing and Blockchain

7 min · 4 KwickClips
Emerging Trends: IoT, Sensors, Smart Cities, Big Data, AR and VR

Emerging Trends: IoT, Sensors, Smart Cities, Big Data, AR and VR

7 min · 4 KwickClips
History and Generations of Computers

History and Generations of Computers

7 min · 4 KwickClips
Input Devices

Input Devices

6 min · 4 KwickClips
Inside the CPU: Fetch-Decode-Execute, Cores, Cache and Clock Speed

Inside the CPU: Fetch-Decode-Execute, Cores, Cache and Clock Speed

7 min · 4 KwickClips
Logic Gates and Truth Tables

Logic Gates and Truth Tables

9 min · 4 KwickClips
Mobile Computing, RFID, Biometrics and Green Computing

Mobile Computing, RFID, Biometrics and Green Computing

7 min · 4 KwickClips
Number Systems: Binary, Octal, Decimal and Hexadecimal

Number Systems: Binary, Octal, Decimal and Hexadecimal

7 min · 4 KwickClips
Output Devices

Output Devices

6 min · 4 KwickClips
Primary Memory: RAM, ROM and Cache

Primary Memory: RAM, ROM and Cache

8 min · 4 KwickClips
Programming Languages and Language Translators

Programming Languages and Language Translators

7 min · 4 KwickClips
Propositional Logic: Propositions, Connectives and Valid Formulae

Propositional Logic: Propositions, Connectives and Valid Formulae

8 min · 4 KwickClips
Representing Images and Sound, and Calculating File Size

Representing Images and Sound, and Calculating File Size

6 min · 4 KwickClips
Secondary Storage: Magnetic, Optical, Solid State and Cloud

Secondary Storage: Magnetic, Optical, Solid State and Cloud

8 min · 4 KwickClips
The Operating System: Functions, Types and User Interfaces

The Operating System: Functions, Types and User Interfaces

8 min · 5 KwickClips
Types of Software: System, Utility and Application Software

Types of Software: System, Utility and Application Software

8 min · 4 KwickClips
Units of Memory, Data Deletion and Recovery

Units of Memory, Data Deletion and Recovery

7 min · 4 KwickClips
Universal Gates and Combined Logic Circuits: NAND, NOR, XOR

Universal Gates and Combined Logic Circuits: NAND, NOR, XOR

8 min · 4 KwickClips
Using the Desktop: Files, Folders, Settings and Installing Software

Using the Desktop: Files, Folders, Settings and Installing Software

7 min · 4 KwickClips
What is a Computer? Characteristics, Uses and Types

What is a Computer? Characteristics, Uses and Types

6 min · 4 KwickClips

Courses that use these lessons

Want a plan that actually fits your board dates?

Ask Kajal Ma'am directly, 20+ years teaching computer science. Free demo class first, no payment.

Talk to Kajal Ma'am on WhatsApp

Or see the Class 12 Computer Science course →

Studying outside India?

We coach CBSE, IGCSE & international students across the globe, one-to-one, in your local time zone.

Visit International →