A6-R5.1
Computer Organization and Operating System

Course Description
This batch includes
- Chapterwise PDF Notes
- Imporatant Classes
- Objectives PDF
- Objectives Videos
- Solved Old Paper (PDF)
- Solved Old Paper (Videos)
- One Liner Points PDF
- Guess Paper
Note: Some Notes PDF are not be downloadable or printable.
You are paying fee for PDF Notes. Some Imporatnt Videos are free with these Notes Content.
Syllabus
Detailed Syllabus of NIELIT A Level A6-R5
Part 1 – Computer Organization
Chapter -1: Basic Structure of Computers
Structure of a Computer System, Arithmetic Logic Unit, Control Unit, Bus Structure, Von Neumann Architecture.
Chapter -2: Computer Arithmetic Operations
Introduction to logic gates, Boolean algebra, Data Representation-Number system, Fixed and Floating point numbers, Floating point representation, Signed numbers, Binary Arithmetic, 1’s and 2’s Complements Arithmetic, Binary adder, 2’s Complement method for multiplication, Map Simplification.
Chapter -3: Central Processing Unit and Instructions
General Register Organization, Types of Instructions, Instruction Formats, Addressing Modes, Data Transfer and Manipulation, Program Control, Instruction cycle.
Chapter -4: Memory Organization
Characteristics of Memory Systems, Type of memories, Main memory, Static & Dynamic memories, Secondary Memory, Performance Considerations, Cache Memory with mapping, Virtual Memory, Address memory used pages, page replacement, Introduction to RAID.
Chapter -5: I/O Organization
Peripheral Devices, Input-Output Interface, Asynchronous Data Transfer Modes, Interrupt handling, Types of Interrupts, Priority Interrupt, Direct Memory Access, Input-Output Processor (IOP), Synchronous and Asynchronous Data Transfer.
Part 2 – Operating System
Chapter -6: Operating Systems Overview
Overview of Computer Operating Systems, Types of OS, Functions of OS, Protection and Security, Distributed Operating Systems, System Calls, Scheduling algorithms, memory management, threads.
Chapter -7: Linux Basics
Open source, Overview of Linux, Basic Linux commands, structure of kernel and shell, Getting help, Linux File System, Some Important Directories, Inodes, Current Working Directory, File and Directory Names, Absolute and Relative Pathnames, Creating and Removing Directories, Changing Directories, Listing Directory Contents, Creating and Removing Files, Copying Files and Directories, Moving and Renaming Files and Directories, fundamental file types, Hard Links, Symbolic ( or soft) Links, Viewing and working with large Text files – cat, more, less, head, tail, cut commands, search text within a file, grep
Chapter -8: Process Management and Shell Script
Processes: Definition, Process Relationship, Process states, Process State transitions, Process Control Block, Context switching – Threads – Concept of multithreads, Listing Processes, Finding Processes, Foreground and background processes, Interactive Process management tools, Sending signals to processes. Shell Script, shell variables, control structure using variables in shell script.
Chapter -9: Users, Groups and Permissions
Users, Groups, Linux File Security, Examining Permissions, accessing root user, creating user and groups, Changing File Ownership, Changing Permissions – Symbolic Method, Numeric Method, /etc/passwd, /etc/shadow and /etc/group files, Monitoring Logins, Default Permissions, Special Permissions umask, passwd.
Chapter -10: Standard I/O and Pipes
Standard Input and Output, Redirecting Output to a File, Redirecting STDOUT to a Program(Piping), Combining Output and Errors, redirecting to Multiple Targets (tee), Redirecting STDIN from a file.
Chapter -11: Finding and Processing Files
Locate, find, Basic find Examples, find and Logical Operators, find and Permissions, find and Access Times.
Download PDFCurriculum
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Discount ₹828Course Highlights
- Classes Duration 5hr
- Class Type Live/Recorded
- Class Language Hinglish
- Total PDFs 22
- PDF Language Hindi/English
- Course Validity 25 Aug 2025
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