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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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Type of extremely powerful computer For other uses, see Supercomputer (disambiguation). The Blue Gene/P supercomputer "Intrepid" at Argonne National Laboratory (pictured 2007) runs 164,000 processor cores using normal data center air conditioning, grouped in 40 racks/cabinets connected ...
A personal computer, often referred to as a PC or simply computer, is a computer designed for individual use. [1] It is typically used for tasks such as word processing, internet browsing, email, multimedia playback, and gaming. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or technician.
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.
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.
ENIAC (/ ˈ ɛ n i æ k /; Electronic Numerical Integrator and Computer) [1] [2] was the first programmable, electronic, general-purpose digital computer, completed in 1945. [ 3 ] [ 4 ] Other computers had some of these features, but ENIAC was the first to have them all.
A kernel connects the application software to the hardware of a computer. The kernel's main purpose is to manage the limited resources of a computer: The kernel program should perform process scheduling, [132] which is also known as a context switch. The kernel creates a process control block when a computer program is selected for execution.