World of Computers Gyan

What is a Computer Virus? | Types of Computer Virus & Definition  A computer virus is an illegal, harmful, or malicious program that can change the way your computer runs and behaves. A computer virus is a sort of malware that attaches itself to another program and can replicate and propagate once it has been installed on a user’s computer. When a computer changes the way in which it should work normally, it is said to be infected by a virus. This virus may spread from one computer to another if you receive an email with a harmful attachment, when open the file, and the computer virus then infects your machine. Or in other words, a harmful software application that is installed without the user’s consent on their computer and then performs some malicious acts is known as a virus. Computer viruses are harmful but the majority of them engage in malicious activity, such as data destruction.   History of Computer Virus   first computer virus The “Creeper system”...

  How to do social media marketing? | How to do it, Types, Tools & Tips What is social media marketing? At present time everything is going online and products are getting a new identity and a direction. It is a way to promote product or services by reaching directly to digital customers. There are many platforms through which online marketing takes place. Only social media is the platforms by which we approach home to home and people to people. Social media marketing is a way to increase the sales of product or brand. It is used by many brands these days. It helps increasing sales and customers. In this social media influencers shares content regarding a brand and charge a certain amount of money. In this influencer with huge amount of followers are contacted to promote a brand's product. Social media marketing helps in increasing e-commerce .In this different social media sites are Facebook, Instagram, Twitter, LinkedIn, and Pinterest.   Platforms for Socia...

    Bill Gates and Computer Technology   Bill Gates was born on October 28, 1955 in Seattle. Gates is one of the greatest leaders in history. His work has such an impact on technology today and our way of life.   When Bill Gates was 13 enrolled in Lakeside School, An exclusively private high school. Soon after attending the school Gates started to ace all of his classes. Bill one of the smartest students at the school, so smart in fact that the school gave him permission to leave Math to peruse is other interests. Growing up bill had shown his competitive side and his strive for success. He also showed his strong interest in computers. Gates and their 3 friends were banned from school computers when they found a bug in the computer system giving the  students free computer time. After the ban gates offered to find bugs in the CCC’s computer system in exchange for free computer time. He graduated lakeside in 1973 with a 1590 out of 1600 on his SAT. Gates ...

  What Is the OSI Model Characteristics, Functions ? The Open Systems Interconnection (OSI) model describes seven layers that computer systems use to communicate over a network. It was the first standard model for network communications. The modern Internet is not based on OSI, but on the simpler TCP/IP model. However, the OSI 7-layer model is still widely used, as it helps visualize and communicate how networks operate, and helps isolate and troubleshoot networking problems. OSI was introduced in 1983 by representatives of the major computer and telecom companies, and was adopted by ISO as an international standard in 1984. The OSI 7 Layers network layer of the osi model 1. Physical Layer The physical layer is responsible for the physical cable or wireless connection between network nodes. It defines the connector, the electrical cable or wireless technology connecting the devices, and is responsible for transmission of the raw data, which is simply a series of 0s and ...

  What is Python? | Why Python is So Popular?  introduction to the python language Python is an object-oriented, high-level programming language created by Guido Rossum in 1989 with integrated dynamic semantics primarily for web and app development. It is extremely attractive in the field of Rapid Application Development because it offers dynamic typing and dynamic binding options. It has interfaces to many OS system calls and libraries and is extensible to C or C++. Many large companies use the Python programming language, including NASA, Google, YouTube, etc   Python is simple, so it’s easy to learn since it requires a unique syntax that focuses on readability. Developers can read and translate Python code much easier than other programming languages. In turn, this reduces the cost of program maintenance and development.   The most promising benefits of Python are that both the standard library and the interpreter are available without any cost, in b...

कंप्यूटर वायरस और उसके प्रकार   कंप्यूटर वायरस एक प्रकार का दुर्भावनापूर्ण कंप्यूटर प्रोग्राम है , जिसे निष्पादित करने पर , स्वयं को दोहराता है और अपना कोड सम्मिलित करता है। जब प्रतिकृति की जाती है , तो यह कोड आपके सिस्टम पर मौजूद अन्य फाइलों और प्रोग्राम को संक्रमित करता है।   एक कंप्यूटर वायरस क्या है ?   कंप्यूटर वायरस एक ऐसा प्रोग्राम है जो हमारे डिवाइस और फाइलों को नुकसान पहुंचा सकता है और बिना किसी उपयोग के उन्हें संक्रमित कर सकता है। जब एक वायरस प्रोग्राम निष्पादित किया जाता है , तो यह अन्य कंप्यूटर प्रोग्रामों को संशोधित करके खुद को दोहराता है और इसके बजाय अपने स्वयं के कोडिंग में प्रवेश करता है। यह कोड किसी फ़ाइल या प्रोग्राम को संक्रमित करता है और यदि यह बड़े पैमाने पर फैलता है , तो यह अंततः डिवाइस के क्रैश होने का कारण बन सकता है। दुनिया भर में , कंप्यूटर वायरस चिंता का एक बड़ा मुद्दा हैं क्योंकि वे हर साल अर्थव्यवस्था को अरबों डॉलर का नुकसान पहुंचा सकते हैं।   चूंकि कंप्यूटर वायरस केवल डिवाइस की प्रोग्रामिंग को हिट करता है , यह दिखाई नहीं...