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Learning Outcomes  👉 What is biodiversity  👉 Origin of biodiversity  👉 Nature of biodiversity  👉 Interrelationships of organisms  👉 How to measure biodiversity  👉 Biodiversity of Bangladesh  👉 Risks and remedies of biodiversity  What is Biodiversity? The term biodiversity describes the great variety of life on Earth. Biodiversity refers to the variety of living things, including plants, animals, and microorganisms. We don't know for sure exactly how many different organisms there are on Earth. However, scientists estimate that there are about 8-14 million (80 to 140 lakh) different species of organisms on this Earth. Some believe that the number is higher. But whatever the number, most of these organisms are unknown to us. Only 1.2 million (12 lakh) species have been identified and described so far, most of which are insects. This means that billions of other organisms are still mysterious and unknown to us. Origin of Biodiversity The unique characteristics of all sp

Information and Communication Technology

Information and Communication Technology
Table of contents

Computer and the security of the user

  • Importance of computer maintenance
  • Differentiate between software uninstallation and software deletion

Concept of Multimedia

  • Concept of multimedia
  • Medium of multimedia

Information and Communication Technology

  • Concept of Global Village
  • Main Elements of Global Village
  • Virtual Reality
  • Contemporary Trends of ICT
  • Bioinformatics, Genetic Engineering, and Nanotechnology
  • Morality in using Information and Communication Technology
  • Impact of Information and Communication Technology on Social Life
  • ICT and Economic Development 

Communication Systems and Networking

  • Communication System and Bandwidth
  • Data Transmission Method and Data Transmission Mode
  • Medium of Data Communication
  • Cable Media: Twisted Pair, Co-axial, and Optical Fiber
  • Wireless Media and Wireless Communication System
  • Mobile Communication and Different Generations of System 
  • Objectives and Classification of Computer Networking Devices
  • The function of Networks: Network Topology
  • Cloud Computing

Number Systems and Digital Device

  • History of Inventing Numbers and Number System
  • Conversion of Number System
  • Addition and Subtraction in Binary System, Signed Numbers, and 2's Complement
  • Code and Concept of Various Codes
  • Some Mathematical Problems and Solutions
  • Boolean Algebra, Boolean Theorem, and Truth Table
  • De Morgan's Theorem
  • Basic Gate
  • Universal Gate and Special Gate
  • Encoder and Decoder 
  • Adder
  • Flip-Flop and Register
  • Counter

Introduction to Web Design and HTML

  • Concept of Web Design
  • Website Structure
  • Basic Concept of HTML
  • HTML Formatting
  • Hyperlinks
  • Adding Image, Audio, and Video
  • Table Creating and HTML Layout

Programming Language

  • Concept of Program
  • Discussion on Different Types of High-Level Languages
  • 4th Generation Language
  • Program Organization
  • Algorithm and Flow Chart
  • Program Design Model
  • C Program
  • Data Type Uses in C Programming Language
  • Variable and Constant Uses in C Programming Language
  • The Numbers and KeyWords

Database Management System

  • Primary Concept of Database
  • Concept of DBMS
  • Classification of DBMS
  • Rational Database Management System


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