Computer education

 Encapsulation Encapsulation is defined as the wrapping up of data and information in a single unit. In Object Oriented Programming, encapsulation is defined as binding together the data and the functions that manipulate them. Consider a real-life example of encapsulation, in a company, there are different sections like the accounts section, finance section, sales section, etc. Methods | Variables Class Encapsulation (C++) :- Encapsulation facilitates data hiding in C++ by using private, protected and public access specifiers for restricting access to the class member functions and data members. There are 3 types of access modifiers available in C++: Public Private (default) Protected Public Specifier :- All the class members declared under the public specifier will be available to everyone. The data members and member functions declared as public can be accessed by other classes and functions too. The public members of a class can be accessed from anywhere in the program using the...

  System Analysis And Design  • System analysis and design is an active filled in which analysts repetitively learn new approaches and different techniques for building the system more effectively and analysis and design is to improve organization system this provides a basic understanding of system characteristics  ‎system design and it's development process it is a good introductory guide that provides ab overview of all the concepts necessary to build a system  ‎ ‎System development is statement process which includes phases such as planning analysis , design, deployment, and Maintenance  ‎ ‎ Systems Analysis :- ‎ ‎It is a process of collecting and interpreting facts identifying the problems and system analysis Is conducted for the purpose of studying system of its parts in order to indentify it's objectives it is a problem solving technique that improves the system and ensures that all the components of the system work efficiently to accomplish their purpose...

  What Is topology   • Topology Defines The Structure Of The Network Of How All The Components Are Interconnectedness To Each Other There are Two Types of Topology: Physical Na Logical ∆ Type Of Topology   Bus Topology  Ring Topology  Tree Topology  Star Topology  Mesh Topology  Hybrid Topology  1..... Bus Topology :-  • The Bus Topology Is Designed In Such A Way That All The Stations Are Connected Through  a Single Cable Known As A Backbone Cable. • Each Node is either Connected to The backbone Cable By Drop Cable Or Directy Connected To The Backbone Cable. • When a Node Wants to Send A Message Over The Network, It Puts a Message Over The Network All The Stations Available in The Network Will Receive The Message Whether it has Been Addressed or Not . Advantages of Bus Topology   • Low-cost Cable: In Bus Topology. nodes Are Directly Connected To The Cable Without Passing Through A Hub. therefore, The Initial Cost Of Installati...

Most Important Questions For IOT Exam Top 10 Most Important MCQ. 1.What Is The Full From of IoT? A. Internet Of Technology  B. Incorporate Of things  C. Internet Of things  D. Incorporate Of technology 2.What Is IoT A. Network of Physical objects Embedded with sensors B. Network of Virtual Objects C. Network of Objects in The Ring Structure  D. Network Of Sensors 3.Who Coined The Term "internet Of Things"? A. Kevin Aston B. John Wright  C. Edward Jameson  D. George Garton 4.When Was The Actual Term "internet Of Things" Coined? A. 1998 B. 1999 C. 2000 D. 2002 5.Which Of the following is not And IoT and Device?? A. Table B. Laptop  C. Arduino  D. Tablet 6.Which Of The following Is Not an IoT Platform? A. amazon Web Services  B. Microsoft Azure  C. Salesforce D. Filpkart 7.Which Of The following is not an application or IoT? A. BMP280 B. Smart City  C. Smart Phone  D. self Driven Cars 8.which Layer Is Used Fir Wireless Connection ...

SQL JOiN As The Name Shows , Join Means To Combine Something. in case of SQL , Join Means To Combine Two Or More Table  The SQL Join Clause Takes Records From Two Or More Tables In A Database And Combines Ut Together  ∆ inner Join  ∆ Left Outer Join ∆ Right Outer Join ∆ Full Outer Join , and ∆ cross Join Why SQL Join Is Used  If You Want To Access More Than One Table Through A Select Statement  If You Want To Combine Two or More table then SQL Join Statement Is used It Combines Rows Of that Tables In One Table And one can Retrieve The Information Bg Select Statement The joining Of Two Or more Table Is Based On Comman Filed between Them SQL Inner Join Also Known As Simple Join Is The Most Common Type Of Join Different type Of SQL Joins Here Are The difference Types Of The Joins In SQL: Inner Join :- Returns Records That Have Matching Value In Both Tables  Left Outer Join :- Returns All Records From The Left Table , And The Matched Records From The  Righ...

  Website And HTML Point ∆ What Is Website  A Website Is a Collection Of Publicly Accessible , Interlinked Web page that Share A Single Domain Name. websites Can Be Created And Maintained by an Individual. , Group , Business Or organization to Serve a Variety Of Purposes Website Come in A Nearly Endless Veriety Including Educational Sites , News Sites Forums , Social media Sites , E-commerce website Aate usually A Mix Of Test And other Media . that Said , There are No Rules Dictating The form Of A. Website  ∆ What Is HTML HTML Is The Standard Markup Language For Creating Web Pages. HTML Stands For Hyper  Text Markup Language  HTML Describe The Structure of A Web page  HTML Consists Of A series Of Elements  HTML Elements Feel the browser How to display Tha content. HTML Elements Are represented By Tags  HTML tags Label pieces Of Content Such As "Heading","paragraph","Table",And So On Browsers Do Not display Tha HTML Tags , But use Them To Render Th...