Computer software, or simply software, also known as computer programs, is the non-tangible component of computers. DVD: Capable of storing 4.7GB of data in their single layer form and 8.5GB in their double layer form, they are the most common method today for most store-bought programs, as well as videos.

Video games today are commonly downloaded but used to be distributed via DVD discs that store data, called DVD-ROM (read only memory, which can be read off the disk, but not modified). That was a big problem for programmers because it meant they had to rewrite all their programs each time they wanted to run them on different machines. You can think of an operating system as the “foundations” of the software in a computer that other programs (called applications) are built on top of. So a word processor and a chess game are two different applications that both rely on the operating system to carry out their basic input, output, and so on. The operating system relies on an even more fundamental piece of programming called the BIOS (Basic Input Output System), which is the link between the operating system software and the hardware.

This is why programs are also called software. Most people see their computers as tools that help them do jobs, rather than complex electronic machines they have to pre-program. A computer stores complex sets of instructions called programs and uses them to do much more interesting things.

The IBM device lost all its programming and data as soon as it turns off, unlike the Michigan Micro Mote, which retained its programming even when it wasn’t externally powered. Older and less powerful computers will take their time encoding the video. There are 12 videos and all are quick and easy to follow and will help you get started with Facebook Live and the free OBS software.

Software applications are common for word processing , Internet browsing, Internet faxing , e-mail and other digital messaging, multimedia playback, playing of computer game , and computer programming The user may have significant knowledge of the operating environment and application programs, but is not necessarily interested in programming nor even able to write programs for the computer. As a result, floppy drives became uncommon in desktop personal computers since about 2000, and were dropped from many laptop systems even earlier. A PC’s main memory is a fast primary storage device that is directly accessible by the CPU, and is used to store the currently executing program and immediately needed data.

External devices such as a computer monitor or visual display unit , keyboard , and a pointing device ( mouse ) are usually found in a personal computer. Netbooks , also called mini notebooks or subnotebooks , are a subgroup of laptops 43 acting as a category of small, lightweight and inexpensive laptop computers suited for general computing tasks and accessing web-based applications They are often marketed as “companion devices”, with an intention to augment other ways in which a user can access computer resources. Desktop replacement computers are sometimes called desknotes, as a portmanteau of words “desktop” and “notebook”, though the term is also applied to desktop replacement computers in general.

A desktop replacement computer (DTR) is a personal computer that provides the full capabilities of a desktop computer while remaining mobile Such computers are often actually larger, bulkier laptops Because of their increased size, this class of computers usually includes more powerful components and a larger display than generally found in smaller portable computers, and can have a relatively limited battery capacity or none at all in some cases. Just like desktops, laptops also have the same input and output ports for connecting to a wide variety of devices, including external displays, mice, cameras, storage devices and keyboards, which may be attached externally through USB ports and other less common ports such as external video. Somewhat larger and more expensive systems (for example, running CP/M ), or sometimes a home computer with additional interfaces and devices, although still low-cost compared with minicomputers and mainframes , were aimed at office and small business use, typically using “high resolution” monitors capable of at least 80 column text display, and often no graphical or color drawing capability.

During the early 1980s, home computers were further developed for household use, with software for personal productivity, programming and games. Since none of these Apple products were mainframes or time-sharing systems, they were all “personal computers” and not “PC” (brand) computers. Children being taught how to use a notebook personal computer; a desktop personal computer ‘s CRT monitor , keyboard , and mouse are visible in the background.

Many projects try to send working computers to developing nations so they can be re-used and will not become waste as quickly, as most people do not need to run new programs. A 1 or a 0 symbol stored by a computer is called a bit , which comes from the words binary digit Computers can use many bits together to represent instructions and the data that these instructions use. Most people keep them on top of a desk, which is why they are called “desktop computers.” ” Laptop computers” are computers small enough to fit on your lap.

The U.S. Army’s Ballistics Research Laboratory ENIAC (1946), which could add numbers the way people do (using the numbers 0 through 9) and is sometimes called the first general purpose electronic computer (since Konrad Zuse ‘s Z3 of 1941 used electromagnets instead of electronics ). At first, however, the only way to reprogram ENIAC was by rewiring it. Computer program s are designed or written by computer programmer s. A few programmers write programs in the computer’s own language called machine code Most programs are written using a programming language like C++ , Java , and Fortran These programming languages are more like the language with which one talks and writes every day. They only follow the instructions in their software programs.

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