Technical Education

                                     Search Engine Search Engine:                   The search engine is computer program or software system   which allows to find the information  on World Wide Web.       Ex. Google,Yahoo, bing etc                  In this digital world we are using most of time this search engines.But we have no idea about how the search engine works?      2.How the search engine works?                  Each search engine works in three main steps.                      i)Crawling                     ii)Indexing                   ...

                                     Dumpster Diving        Attacker does not launch their attack without any information. This information gets from targets trash.        If attacker gets the information from the targets trash is called Dumpster Diving.Its belongs to the Social Engineering.      In the dumpster diving the attacker search the small data in trash and it get very sticky information like a pin number,username,password etc,.       In computer security dumpster diving is like a dumping. That means the rubbish unwanted waste,unwanted materials etc,.           How to avoid Dumpster Diving? Avoid throwing sensitive information in the trash. Company should have some polices about to destroy trash. Company should contain trash container.

                                          Computer Virus Computer Virus:                    Computer virus is one program or piece of code typically affect on the system such as a corrupting file,destroy itself.    Following are the different categories of                  viruses:                     i) Boot Sector virus                    ii) Macro virus                   iii) Multipartic  virus                   iv) TSR virus                    v) Stealth virus             ...

                                        Network Security       Network Security:                    Network security is a one privacy  policy  which tries to keep a secure the whatever data,files,directories in your computer network.It gives security hardware as well as software.                 Authorization of access to data in network which is controlled by the network admin.Users are assigned only using their username and password. Various way which gives security to the network :  Encryption Firewall Antivirus software IDS(Intrusion Detection System) IPS UTM     1. Encryption:         Encrypting communication  between two hosts its also gives a privacy that's security. 2. Firewall:     ...

                            COMMAND PROMPT TRICKS  Command Prompt:   The command prompt is non-graphical interface that available in most of the windows operating system. The command prompt is is also referred as command interpreter because it interprets commands you enter.      To initiate the command prompt: start Enter the cmd in the box                  cmd open with as a administrator Useful Windows Command Prompt Tricks: 1. Change the fonts color in Command Prompt:       Normally command prompt have a black color. But it is possible to change the font color of the command prompt.           command used for:                          color number/letter           Ex:     ...

                           Basic Network Concept (Part 1) What is Network?  Network is two or more peoples or systems want to communicate with each other. Another  way  we can say, network is any interconnection of two or more stations that wish to communicate with each other.    2. Computer Network Computer network is connection of computers the are interconnected with each other using a single technology. In computer network not only computers are connected with each other . The resources like a printer,scanner etc.and connecting device like hub, switch also connected with each other. These interconnected device are able to the communicate with each other means share a files,folders or exchange the information.   3. Components required for Networking: For networking two types of component are required:              ...

           Object Oriented Basic Concepts Object-Orientation: Its called object orientation because that contain the things related of real word. A table is a object,like a cycle,a human being etc all are the objects. In every day life, we uses a so many objects,and we work with model. For ex. we uses a model to describe a reality. The teacher drives own car as well as reads a book. Basic Concepts of OOP: Object Classes Encapsulation Abstraction Inheritances Polymorphism Dynamic binding Messaging Object: It is a basic run time entity. It contain data and properties(methods) that can manipulate a information. The object is communicate with each other and programming problem analysed.       Example: If FERRARI is a one object that contain following data and properties. Classes: Object contain data and methods. The class is contain the entire set of data and methods. Objec...