Class 11 Computer Science notes and question bank — NEB Exam

Computer Science

Class 11 - 8 Chapters

Sub. code 4271

National Examinations Board (NEB)

NEB — GRADE XI

Class 11 Computer Science Syllabus

Syllabus

समय (Time) : 2 Hours

पूर्णाङ्क (Full Marks) : 50

Pass Marks : 20

Chapter 1: Computer System

1.1 Introduction of Computer

  • Definition, characteristics and application of computer

  • Evolution of computer technology

  • Measurement unit of processing speed and storage unit

  • Supercomputer, Mainframe, Minicomputer and Microcomputer

  • Mobile Computing and its applications

1.2 Computer System and I/O Devices

  • Concept of computer architecture and organization

  • Components of computer system

  • Input Unit

  • Output Unit

  • Processing Unit

  • Memory Unit

  • Storage

  • Microprocessor

  • Bus System

  • Primary Memory

  • Secondary Memory

  • Input Devices

  • Output Devices

  • Hardware Interfaces

Chapter 2: Number System and Boolean Logic

2.1 Number System and Conversion

  • Decimal Number System

  • Binary Number System

  • Octal Number System

  • Hexadecimal Number System

  • Conversion between number systems

  • Binary addition

  • Binary subtraction

  • One's complement

  • Two's complement

2.2 Logic Function and Boolean Algebra

  • Boolean Algebra

  • Boolean values

  • Truth table

  • Boolean expression

  • Boolean function

  • Logic Gates

  • Laws of Boolean Algebra

  • Verification of Boolean laws

Chapter 3: Computer Software and Operating System

3.1 Concept of Software

  • System Software

  • Utility Software

  • Application Software

  • Web-based Software

  • Mobile Applications

3.2 Concept of Operating System

  • Introduction to Operating System

  • Role of Operating System

  • Functions of Operating System

  • Multiprogramming

  • Multitasking

  • Multiprocessing

  • Distributed Operating System

3.3 Windows Operating System

  • GUI-based Operating System

  • Windows Environment

  • File and Folder Management

  • Desktop Customization

  • Device Management

  • Password and Privacy Management

  • Control Panel

  • System Tools and Accessories

3.4 Open Source and Mobile Operating System

  • Open Source Operating System

  • Linux and UNIX

  • Linux Distributions

  • Mobile Operating System

  • Types of Mobile Operating Systems

Chapter 4: Application Package

4.1 Introduction to Office Package

  • Word Processor

  • Presentation Tool

  • Spreadsheet Package

  • Database Management System

4.2 Domain-Specific Tools

  • School Management System

  • Inventory Management System

  • Payroll System

  • Financial Accounting System

  • Hotel Management System

  • Weather Forecasting System

Chapter 5: Programming Concepts and Logics

5.1 Programming Concept

  • Programming Languages

  • Low-level Languages

  • High-level Languages

  • 4GL Programming Languages

  • Compiler

  • Interpreter

  • Assembler

  • Types of Errors

  • Control Structures

  • Algorithm

  • Flowchart

  • Pseudocode

  • Number and Character Representation

5.2 C Programming Language

  • Introduction and features of C

  • Structure of C Program

  • C Preprocessor and Header Files

  • Character Set

  • Comments

  • Identifiers

  • Keywords

  • Tokens

  • Data Types

  • Constants and Variables

  • Operators and Expressions

  • Input/Output Functions

  • Selection Control Statements

  • Iteration Control Statements

  • Arrays

  • Strings

Chapter 6: Web Technology I

6.1 Introduction

  • Introduction to Web Development

6.2 Web Browsers and Search Engines

  • Web Browsers

  • Search Engines

6.3 Internet and Web Technologies

  • Internet Technologies

  • Web Technologies

6.4 Content Management System

  • Concept of CMS

6.5 HTML: The Language of the Web

  • Objectives of HTML

  • Structure of HTML

  • Publishing and Hosting

  • HTML Tags and Attributes

  • Basic HTML Tags

  • Background and Foreground Colors

  • Background Image

  • Background Sound

  • Heading Tags

  • Font Tag and Attributes

  • Paragraph Formatting

  • Line Break

  • HTML Comments

  • Text Formatting

  • Ordered Lists

  • Unordered Lists

  • Description Lists

  • Address Tag

  • Links and Hyperlinks

  • Anchor Tag

  • Tables

  • Forms

  • HTML5 Elements

  • HTML5 Graphics

  • Domain Name

  • Web Hosting

6.6 Cascading Style Sheets

  • Introduction to CSS

  • Inline CSS

  • Embedded CSS

  • External CSS

Chapter 7: Multimedia

7.1 Introduction to Multimedia

  • Concept of Multimedia

7.2 Components of Multimedia

  • Text

  • Graphics

  • Audio

  • Video

  • Animation

7.3 Text

  • Text Editor

  • Font Type

  • Font Style

  • Font Size

  • Text Formatting

  • Text Color

  • Typography

7.4 Graphics

  • Introduction to Graphics

  • Bitmap Graphics

  • Vector Graphics

  • 2D Graphics

  • 3D Graphics

7.5 Audio

  • Digital Audio

  • MIDI

  • WAV

  • MP3

  • AU

  • Real Audio

7.6 Video

  • Digital Video

  • Frames

  • MPEG

  • AVI

  • MOV

  • MPG

7.7 Animation

  • Concept of Animation

  • Animation Tools

  • Animated GIF

  • Flash

Chapter 8: Information Security and Cyber Law

8.1 Digital Society and Computer Ethics

  • Digital Society

  • Ethical Issues in Computing

  • Computer Crimes

  • Security Measures

8.2 Information Security

  • Concept of Information Security

  • Threats to Information Security

  • Encryption

  • Decryption

8.3 Cybercrime

  • Concept of Cybercrime

  • Types of Cybercrimes

  • Cyber Laws

  • Implications of Cybercrime

8.4 Malicious Software and Spam

  • Malware

  • Phishing

  • Spam

  • Preventive Measures

8.5 Protection from Cybercrime

  • Cybersecurity Measures

  • Firewall

  • Antivirus Software

  • Data Backup

8.6 Intellectual Property Right

  • Copyright

  • Patents

  • Trademarks

  • Intellectual Property in Digital Content

8.7 Digital Signature

  • Concept of Digital Signature

8.8 Cyber Law in Nepal

  • Concept of Cyber Law in Nepal

8.9 ICT Policy in Nepal

  • Information and Communication Technology Policy of Nepal

This is the official Class 11 Computer Science syllabus prescribed by the National Examination Board (NEB). It sets out the units, sub-topics and mark weighting your board exam is built from, for a full mark of 50 and an exam time of 2 Hours.

Use it to plan your revision unit by unit, then open the Class 11 Computer Science notes for chapter-wise notes, PDF notes and important questions mapped to each part of this syllabus.