8085 ISA & AM

Duration: 6 min

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Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. Mathematical Aptitude: Number System, HCF LCM, Divisibility Rules, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Time and Work, Mensuration and Geometry, Simple Interest and Compound Interest, Speed Time and Distance, Age Problems, Mixture and Alligation, Algebra, Powers and Exponents (Surds and Indices), Pipe and Cistern, Trigonometry, Statistics, Data Interpretation, Arithmetic
  3. Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Analogy, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Seating Arrangements, Syllogisms, Venn Diagram, Puzzle Solving (Puzzles), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Analytical Reasoning (Counting Figures Reasoning), Cubes & Dices, Calendar, Clock
  4. General Knowledge: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, GK- Current Affairs, Static General Knowledge
  5. Art of Teaching: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Classroom Management & Communication, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement, Professional Development & Ethics, Policies, Acts & Contemporary Issues, Curriculum & School Environment, Guidance, Counselling & Mental Health, Inclusive Education & Special Needs, Micro-Teaching & Teaching Skills, Lesson Planning
  6. Environmental Science: Environment
  7. Unit 1 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  8. Unit 2 | COA: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer
  9. Unit 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  10. Unit 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. Unit 4 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  12. Unit 5 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  13. Unit 6 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control
  14. Unit 7 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer
  15. Unit 8 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  16. Unit 9 | Object Oriented Programming: OOPS with C++
  17. Unit 10 | Web Development: HTML Basics, CSS, JavaScript-Basics, XML
  18. Unit 11 | Theory Of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines
  19. Unit 12 | IoT: Emerging Tech Trends, Cloud Computing
  20. Unit 13 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  21. Unit 14 | E-Commerce: Electronic Data Interchange and E-Commerce, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Physical Security and Cryptography Basics, Cyber Safety and Security
  22. Unit 15 | Multimedia: Multimedia
  23. Unit 16 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  24. Full Length Mock Tests — General Paper:
  25. Full Length Mock Tests — Computer Science (Paper II):
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video provides a comprehensive overview of the 8085 microprocessor's architecture, focusing on its instruction set, interrupt handling, and addressing modes. The instructor breaks down the five instruction categories, detailing examples like MOV and ADD. He explains the interrupt hierarchy, distinguishing between maskable and non-maskable types. Finally, he delves into addressing modes, using diagrams to clarify data location. This structured approach helps students understand fundamental 8085 operations and prepares them for programming tasks. The lecture is visually supported by a slide listing all key concepts, ensuring clarity.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor introduces the "Instruction Set of 8085" on the slide. He lists five categories: Data Transfer, Arithmetic, Logical, Branching, and Machine Control Instructions. He underlines each category. For Data Transfer, he writes "Rg" (Register) and "Mem" (Memory) to illustrate movement. He mentions opcodes like MOV, MVI, LXI for transfer, and ADD, SUB, INR, DCR for arithmetic. He underlines Logical Instructions like ANA, ORA, CMA and Branching Instructions like JMP, CALL, RET. He concludes with Machine Control Instructions such as HLT and NOP. This section provides a high-level taxonomy of 8085 operations.

  2. 2:00 – 5:00 02:00-05:00

    The lecture transitions to "Interrupts in 8085". The instructor explains interrupts allow the CPU to respond to external events. He lists TRAP as the highest priority, non-maskable interrupt. He discusses RST 7.5, 6.5, and 5.5 as maskable interrupts and INTR as a general request. He begins the "Addressing Modes" section. He defines Immediate Addressing where data is given directly in the instruction and Register Addressing where data is in a register. He underlines "Data is given directly in instruction" and "Data is in register" to emphasize the distinction. This section sets the stage for understanding how instructions interact with memory.

  3. 5:00 – 5:55 05:00-05:55

    The instructor continues with Addressing Modes: Direct, Indirect, and Implied. For Direct Addressing, the address is specified in the instruction. For Indirect Addressing, he draws a diagram showing a register pair holding an address pointing to data in memory. He labels this "pointer" and writes "1000" in a box. He explains that the register pair acts as a pointer to the actual data location. Finally, he explains Implied Addressing where the operand is implied by the instruction, such as CMA. He underlines "Address stored in register pair" and "Operand is implied". This section clarifies how the CPU fetches operands from different sources.

The video structures 8085 concepts from instruction categories to data access methods. By categorizing instructions into groups like arithmetic and branching, the instructor establishes CPU capabilities. The interrupt discussion highlights handling asynchronous events. The addressing modes section bridges abstract instructions and physical memory, using visual aids to distinguish direct access from indirect pointer-based access. This progression from instruction types to execution control to data location provides a complete foundational understanding. The instructor's use of underlining and handwritten notes reinforces key terms like "non-maskable" and "pointer". The visual diagrams for indirect addressing are particularly helpful for understanding how memory pointers work in assembly language programming.

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