Technology - General Questions

E-commerce (electronic commerce) is the activity of electronically buying or selling products or services over the internet. It encompasses everything from online shopping on Amazon to digital banking and online auctions like eBay.

WYSIWYG stands for "What You See Is What You Get." It refers to software (like Microsoft Word or certain web editors) where the content displayed on the screen during editing looks exactly like the final product (such as a printed page or a live website).

CGI stands for Computer-Generated Imagery. It refers to the use of computer graphics to create or enhance images in art, printed media, video games, films, and television programs.

The Kernel is the core part of an operating system. It acts as a bridge between applications and the actual data processing performed at the hardware level. It manages the CPU, memory, and devices.

GUI stands for Graphical User Interface. It allows users to interact with electronic devices through visual indicators like icons, menus, and windows, instead of having to type text-based commands into a terminal.

Vitalik Buterin is the most well-known co-founder of Ethereum, the blockchain platform that introduced smart contracts to the world. He published the white paper for Ethereum in 2013 when he was just 19 years old.

MAC stands for Media Access Control. A MAC address is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. Unlike an IP address, a MAC address is typically permanent and "burned into" the hardware.

The world's first portable digital camera was created by Steven Sasson, an engineer at Kodak, in 1975. It weighed 8 pounds and had a resolution of just 0.01 megapixels.

An Operating System (OS) is the most essential software that runs on a computer; it manages the computer's hardware, software resources, and provides common services for computer programs. Examples include Microsoft Windows, macOS, Linux, Android, and iOS. Without an OS, a computer is just a collection of useless hardware.

Twitter (now X) is famous for its character limit. Originally 140 characters to match the length of SMS text messages, the limit was doubled to 280 in 2017 to allow users to express themselves more easily without losing the platform's signature brevity.

The first SMS (Short Message Service) was sent on December 3, 1992. It was sent by Neil Papworth, a 22-year-old engineer, from a computer to the mobile phone of Richard Jarvis, a director at Vodafone. The message simply said "Merry Christmas."

A Trojan horse (or Trojan) is a type of malware that disguises itself as a legitimate or useful program (like a free game or a system update) to trick the user into installing it. Once inside, it can steal data or give hackers remote access.

LTE stands for Long-Term Evolution. It is a standard for high-speed wireless communication for mobile devices and data terminals, offering much faster speeds than the older 3G networks.

A printer is an external hardware output device that takes the electronic data from a computer and generates a hard copy of it, usually on paper. The two most common types are Inkjet (which sprays tiny drops of ink) and Laser (which uses a laser beam and dry toner powder).

PDF stands for Portable Document Format, a file format developed by Adobe in 1992. It is designed to present documents in a manner independent of application software, hardware, and operating systems, ensuring that a document looks exactly the same no matter what device it is opened on.

Tux the penguin is the official mascot of the Linux kernel. He was created in 1996 following a suggestion from Linus Torvalds, who apparently had a fondness for penguins after being bitten by one at a zoo in Australia.

Ada Lovelace is widely considered the first computer programmer. In the 1840s, while working with Charles Babbage on his proposed "Analytical Engine," she wrote an algorithm intended to be processed by the machine. She was the first to realize that computers could do more than just math.

TB stands for Terabyte. In digital storage, 1 Terabyte is equal to 1,024 Gigabytes (GB). One TB can store roughly 250,000 photos taken with a 12-megapixel camera or 500 hours of high-definition video.

SaaS stands for "Software as a Service." It is a software licensing and delivery model in which software is centrally hosted on the "cloud" and provided to users over the internet on a subscription basis. This eliminates the need for users to install and run applications on their own computers or data centers, simplifying maintenance and support. Common examples include Google Workspace, Salesforce, and Netflix.

The Cloud refers to servers that are accessed over the Internet, and the software and databases that run on those servers. When you store something "in the cloud," you're actually just storing it on a powerful computer in a data center owned by companies like Amazon, Google, or Microsoft.