Loaded and Linker

Duration: 3 min

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Module outline

  1. Discrete Mathematics: Permutation, Combination and Probability / क्रमचय, संचय एवं प्रायिकता, Set Theory, Relations, Functions, Propositional and Predicate Logic, Graph Theory, Group Theory
  2. Digital Logic: Digital Systems & Boolean Basics, Boolean Expression, Boolean Minimization, Logic Gates & Hardware, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep
  3. Computer Organization and Architecture: Basics of COA, Programming the Basic Computer, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Register Transfer and Microoperations, Control Unit Design, Pipelining, Multiprocessors
  4. Programming: Language Design, C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, OOPS with C++
  5. Data Structures: Introduction to DS, Array, Linked List, Stack, Queue, Tree, Graphs, Hashing
  6. Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  7. Theory of Computation: Grammar, Regular Language Properties, Moore & Mealy Machines, Turing Machines
  8. Compiler Design: Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment, Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Pushdown Automata & CFG, Complexity Theory
  9. Operating Systems: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Unix OS, Linux OS, Security
  10. Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, ORDBMS, NoSQL
  11. 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, Hardware basics, Network Security
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The lecture focuses on the concept of relocatable machine code within the context of a language processing system. The instructor explains that this type of code can be loaded at any memory point and run, with addresses designed to cooperate with program movement. A detailed diagram illustrates the steps from High-Level Language (HLL) through preprocessing, compilation, and assembly to the final target machine code. The instructor uses a specific if-else logic example to demonstrate how assembly code uses relative jumps to handle control flow without fixed absolute addresses. Presented by Sanchit Jain Sir from Knowledge Gate Educator.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor begins by defining Relocatable Machine Code using a slide that highlights its ability to be loaded at any point. He references a vertical flowchart showing the Steps in a Language Processing System, tracing the path from HLL down to Machine Code (Relocatable) produced by the Assembler. To clarify the concept, he writes out assembly instructions for a conditional statement, underlining specific lines like if (a<b) goto (i+3) and i+2) goto (i+4) to show how the program flow jumps between relative offsets rather than fixed memory locations. He explicitly points out the lines i+1) t=0 and i+3) t=1 to show the assignment logic.

  2. 2:00 – 3:22 02:00-03:22

    The session transitions to the roles of the Linker and Loader. The slide explains that these tools convert relocatable code into absolute code, preparing it for execution. A flowchart visualizes the process: Source Program -> Assembler -> Object Program -> Linker -> Executable Code -> Loader -> Memory. The instructor briefly displays assembly code for a for loop to reinforce the concept of relative addressing in loops. Finally, he introduces Compiler Design, presenting a slide that divides the compiler into an Analysis phase (Front-end) and a Synthesis phase (Back-end), listing components like the Lexical Analyzer, Syntax Analyzer, and Code Optimiser. He underlines the text Linker loads a variety of object files into a single file to make it executable.

The lesson effectively bridges the gap between low-level code generation and system execution. It starts by defining the flexibility of relocatable code and how assembly instructions manage relative jumps. It then explains the necessary system utilities (linker/loader) that finalize the code for the CPU. The lecture concludes by contextualizing these steps within the broader architecture of a compiler, separating the understanding of source code (analysis) from the generation of target code (synthesis).

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