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An embedded system is a specialized computer system—a combination of a computer processor, computer memory, and input/output peripheral devices—that has a dedicated function within a larger mechanical or electronic system. [1] [2] It is embedded as part of a complete device often including electrical or electronic hardware and mechanical parts.
Special-purpose computer languages have always existed in the computer age, but the term "domain-specific language" has become more popular due to the rise of domain-specific modeling. Simpler DSLs, particularly ones used by a single application, are sometimes informally called mini-languages.
Special software kernel - the vendor uses or creates a general-purpose computer, and designs a new operating system that integrates the application into the operating system. Cisco's IOS is an example; the Unix-like operating system has firewall functions and network/firewall configuration commands built into it.
A workstation is a special computer designed for technical or scientific applications. [2] Intended primarily to be used by a single user, [2] they are commonly connected to a local area network and run multi-user operating systems.
The earliest form of non-volatile computer storage was the magnetic drum, invented in 1932 [33] and used in the Ferranti Mark 1, the world's first commercially available general-purpose electronic computer. [34] IBM introduced the first hard disk drive in 1956, as a component of their 305 RAMAC computer system.
Storage systems typically use special hardware and software along with disk drives in order to provide very fast and reliable storage for computing and data processing. Storage systems are complex, and may be thought of as a special purpose computer designed to provide storage capacity along with advanced data protection features.
The U.S. military's SAGE system was the first large-scale example of such a system, which led to a number of special-purpose commercial systems such as Sabre. [140] In the 1970s, computer engineers at research institutions throughout the United States began to link their computers together using telecommunications technology.
A computer(-based) information system is essentially an IS using computer technology to carry out some or all of its planned tasks. The basic components of computer-based information systems are: Hardware are the devices like the monitor, processor, printer, and keyboard, all of which work together to accept, process, show data, and information.