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Computers that are used just to display selected material (usually audio-visual, or simple slide shows) in a shop, meeting or trade show. These computers may have more capabilities than they are being used for; they are likely to have WiFi and so be capable of Internet access, but are rarely firewalled (but have restricted port access or ...
This list of computer size categories attempts to list commonly used categories of computer by the physical size of the device and its chassis or case, in descending order of size. One generation's "supercomputer" is the next generation's "mainframe", and a "PDA" does not have the same set of functions as a "laptop", but the list still has ...
Solid-state storage (SSS) is non-volatile computer storage that has no moving parts; it uses only electronic circuits. This solid-state design dramatically differs from the commonly-used competing technology of electromechanical magnetic storage which uses moving media coated with magnetic material .
Some computer appliances use solid state storage, while others use a hard drive to load an operating system. Again, the two methods might be mixed—an ASIC print server might allow an optional hard drive for job queueing, or a Linux-based device may encode Linux in firmware, so that a hard drive is not needed to load the operating system. [5]
Roughly every decade, technology advances in semiconductors, storage, networks, and interfaces enable the emergence of a new, lower-cost computer class (aka "platform") to serve a new need that is enabled by smaller devices (e.g. more transistors per chip, less expensive storage, displays, i/o, network, and unique interface to people or some ...
The universal Turing machine was a type of stored-program computer capable of mimicking the operations of any Turing machine (computer model) based on the software instructions passed to it. The storage of computer programs is key to the operation of modern computers and is the connection between computer hardware and software. [7]
A secondary or tertiary storage may connect to a computer utilizing computer networks. This concept does not pertain to the primary storage, which is shared between multiple processors to a lesser degree. Direct-attached storage (DAS) is a traditional mass storage, that does not use any network. This is still a most popular approach.
The following outline is provided as an overview of and topical guide to computers: Computers – programmable machines designed to automatically carry out sequences of arithmetic or logical operations. The sequences of operations can be changed readily, allowing computers to solve more than one kind of problem.