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Pythonpedia What Makes Up a Personal Computer? Parts of a Personal Computer:- Actually a computer consist various parts and each of them performs their own and specific function for which they are created. But some important parts of computer are:- Monitor Central Processing Unit (System unit) Keyboard Mouse Printer There are many more parts of computer but these are some important parts. Connecting the Personal Computer:- By reading these following points you will be able to understand how these parts are connected to each other through cables. The System unit (CPU) is connected to power supply. The Monitor is connected to System unit and to the power supply. The Keyboard is connected to System unit.   The Mouse is connected to System unit. The Printer is connected to System unit and to the power supply. Other hardware devices are connected to System unit and to the power supply. The Input-Process-Output cycle:- Computer follows

Pythonpedia Introduction to Internet What is Internet? It is a worldwide network of computer networks. When several computers are connected with each other a network is formed. The Internet connects billions of computers from all over the world, forming a network by which people from different location can communicate with each other. The Internet is transformation and evolution of the information age. What had made Internet popular are its flexibility, ease and speed. Connecting to Internet:- Basically connecting computer to the Internet involves the process of connecting your computer with another computer that provides the Internet services. Pythonpedia To connect to the Internet you must require the following:- System – It may be Desktop, Mobile etc. but system must have sufficient storage/memory to run the browser. Browser – A browser is software which is necessary in order to view any Web pages. Internet Connection – You must have Interne

Pythonpedia Networking Overview What is Network? A Network is formed when two computers or more than two computers are connected with each other. Network allows computers to communicate with each other to share resources and information with the other users in the network. Components of Network:- In communication Network consist three components. They are: The sender – Who transfers or shares information. The receiver – Who accepts the transferred or shared information. The medium – Which transmit the information. Computer Networks also consists set of components. They are: Server – A server is a computer that provides resources or services to the other computer connected to a network. Workstation – A workstation is a computer on a Network that can utilize the shared resources. Communication Channel – It is the connection between computers on Network. Like satellites is example of communication channel. Network Interface Unit (NIU) – It enables

Pythonpedia Computer Security Threats of Computer Security:- A threat is a potential violation of security. When a threat is actually executed it becomes attack. And those who do such action or make them to be happen are called attackers. Some common computer threats that users faces every day are: Viruses Adware Spyware Spamming PC Intrusion Phishing and Pharming The Computer Viruses:- The viruses are malicious codes or program that cause damage to Data and files on a computer system. These viruses can attack on any part of system software such as operating system, files, boot block, systems areas and application macros etc. Two similar programs also cause virus like effects are: Worms – A worms are a self-replicating program which eats up the entire disk space or memory. It creates copies of files until the disk space is fully filled. Trojan Horses – A Trojan Horses are a program that appears harmless but actually it’s very harmful. The

Pythonpedia Cyber Security What is Cyber Security? The Cyber Security refers to the safe and responsible use of Internet so as to ensure security of personal information and not posing threat to anyone else information. How to Safely Browsing the Web? Nowadays working on web has become really very inevitable and thus it is very important to know the threats it offers in many ways. You need to know that not every site is 100% safe to visit. Whatever you post online is visible to others and they can misuse them. Safeguarding your computer is very crucial before you go online. And there are other things that you must know so that you can counter or face unknown dangers. How to Identify Protection While Using Internet? All of us surf the Internet for a variety of reasons like using social media, buying and selling goods etc. and many more. When we give out our private data to businesses and other Internet users like while filling forms or making payment etc. we trust th