edgepedia

Technology and the built world

61,984 articles

Computer case

A computer case, also called a system unit or chassis, is the enclosure that houses and protects a computer's main components, including the motherboard and power supply.

Computer case screws

Computer case screws are the fasteners securing a PC's components, panels, and drives to the chassis, with #6-32 UNC for panels, drives, and power supplies and metric M3 for motherboards.

Computer cluster

A computer cluster is a set of connected computers, called nodes, managed as a single system for high availability or high performance computing, as in Google's Borg clusters.

Computer cooling

Computer cooling is the hardware that moves waste heat from computer chips to the surrounding environment, keeping dies below their 85–125 °C junction limits, spanning heatsinks to immersion cooling.

Computer data storage

Computer data storage is the retention of digital data by a computer, spanning processor cache and main memory through disks, flash, tape, and cloud services.

Computer emergency response team

A computer emergency response team (CERT), also called a CSIRT, is a team that prevents, detects, and responds to computer security incidents for a defined constituency.

Computer engineering

Computer engineering, also called computer systems engineering, is a discipline bridging electrical engineering and computer science that designs, builds, and maintains the hardware and software of computing systems.

Computer fan

A computer fan, or case fan, is a small brushless DC fan that moves air through computers and servers to carry heat away from components.

Computer file

A computer file, sometimes called an electronic file, is a named unit of data in a file system that users and programs can access and manage.

Computer forensics

Computer forensics, also called digital forensics, is the identification, collection, examination, and analysis of computer data under a strict chain of custody, serving criminal investigations and security-incident reconstruction.

Computer Fraud and Abuse Act

The Computer Fraud and Abuse Act (CFAA), first enacted in 1984 and rewritten in 1986, is the principal US federal law prohibiting unauthorized access to protected computers.

Computer graphics

Computer graphics is the field concerned with producing pictures using a computer, spanning the hardware, software, and applications, including film special effects, games, simulation, medical imagery, and design.

Computer hardware

Computer hardware, also called PC hardware, is the physical equipment of a computer system. Its core parts include the CPU, RAM, storage drives, and the motherboard that connects them.

Computer keyboard

A computer keyboard is an input device whose keys send coded signals to a computer, descended from the typewriter and using the QWERTY layout since the 1870s.

Computer language

A computer language is a formal system of notation, defined by syntax and semantics, that people use to describe computations to a computer, including languages like Python and C.

Computer memory

Computer memory is the part of a computer that holds programs and data the processor is actively using, spanning processor caches, DRAM main memory, and flash.

Computer Modern

Computer Modern is a family of typefaces designed by Donald E. Knuth for his TeX typesetting system, generated by his METAFONT program, and still the default typeface of LaTeX.

Computer monitor

A computer monitor, or computer screen, is an electronic display device that presents a computer's visual output, first on CRT tubes and now mostly LCD panels.

Computer mouse

A computer mouse is a hand-held pointing device that converts hand movement into cursor movement on screen, invented by Doug Engelbart in the early 1960s.

Computer multitasking

Computer multitasking, also called concurrent processing, is the ability of an operating system to run several programs on one CPU by switching between them fast enough that they appear simultaneous.

Computer network

A computer network, or data network, is a system of interconnected computers, routers, and cabling that moves data between devices; the Internet is the largest example.

Computer numerical control

Computer numerical control, or CNC, is the automation of machine tool operation by a dedicated computer that machines parts from programmed instructions such as G-Code, distinguishing it from hard-wired conventional numerical control.

Computer performance

Computer performance is the amount of useful work a computer system accomplishes per unit of time, measured as latency (time to finish a task) or throughput (tasks completed in a fixed time).

Computer port (hardware)

A computer port is a physical interface, such as USB, HDMI, or Ethernet, through which data, power, or audio-visual signals pass between a computer and external devices.

Computer program

A computer program, also known as a software program, is a set of instructions a computer executes, written in programming languages and forming software with its data.

Computer programming

Computer programming, also known as software programming or computer coding, is the process of writing instructions in a programming language that a computer executes step by step to produce correct results.

Computer room air conditioner

A computer room air conditioner (CRAC) is a self-contained precision cooling unit that cools data centers and server rooms using its own compressor-based refrigeration, controlling temperature, humidity, and airflow.

Computer science

Computer science, also called computing science or compsci, is the systematic study of algorithmic processes, spanning theory, algorithms, programming languages, and artificial intelligence; its central open problem is P versus NP.

Computer Science Teachers Association

The Computer Science Teachers Association (CSTA) is a professional association for K-12 computer science teachers, founded in 2004 with ACM support and known for its K-12 Computer Science Standards.

Computer Sciences Corporation

Computer Sciences Corporation (CSC) was an American information technology services company founded in April 1959 by Roy Nutt and Fletcher Jones, and merged into DXC Technology on April 1, 2017.