| Topic | What you get for (YouTube) | What you get in PAID (Official) | | :--- | :--- | :--- | | Architecture | Full explanation of ALU, Registers, Control Unit. | Same, plus how to draw it perfectly in exams. | | Timing Diagram | 1 example (MOV instruction). | 10+ examples (IN, OUT, CALL, Conditional Jumps). | | Instruction Set | Data Transfer group (MOV, MVI). | Complete 5 groups (Arithmetic, Logical, Branch, Stack). | | Programming | Simple addition loop. | Sorting arrays, multiplication without MUL, Counter design. | | Interrupts | Only the definition. | RST 5.5, 6.5, 7.5, TRAP – with hardware connections. | | Exam Papers | None. | Last 5 years solved university papers. |
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If you are absolutely determined to spend zero rupees on this subject, here is the smartest hybrid approach to use the "free" ecosystem legally. | Topic | What you get for (YouTube)