Computer Abbreviations

ALU stands for Arithmetic Logic Unit. It is a digital circuit used to perform arithmetic and logic operations.

ATM stands for Asynchronous Transfer Mode. It is a telecommunications concept defined by ANSI and ITU standards for carrying voice, video, and data traffic.

BIOS stands for Basic Input Output System. It is firmware used to perform hardware initialization during the booting process.

BIT stands for Binary Digit. It is the most basic unit of information in computing and digital communications.

CD-ROM stands for Compact Disk Read-Only Memory. It is a pre-pressed optical compact disk that contains data.

CD stands for Compact Disk. It is an optical disk used to store digital data.

CPU stands for Central Processing Unit. It is the electronic circuitry within a computer that carries out the instructions of a computer program.

CU stands for Control Unit. It is a component of a computer's central processing unit that directs the operation of the processor.

CUI stands for Character User Interface. It is a type of user interface that relies solely on text-based input and output.

DNS stands for Domain Name System. It is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet.

DRAM stands for Dynamic Random Access Memory. It is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit.

DVD stands for Digital Versatile Disk. It is a digital optical disc storage format used for storing high-capacity data like high-quality videos and movies.

E-Mail stands for Electronic Mail. It is a method of exchanging messages between people using electronic devices.

GIF stands for Graphics Interchange Format. It is a bitmap image format that supports both static and animated images.

GPS stands for Global Positioning System. It is a satellite-based navigation system used to determine the ground position of an object.

GPU stands for Graphical Processing Unit. It is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.

GUI stands for Graphical User Interface. It is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators.

HTML stands for Hyper Text Markup Language. It is the standard markup language for creating web pages and web applications.

HTTP stands for Hypertext Transfer Protocol. It is an application protocol for distributed, collaborative, hypermedia information systems.

IBM stands for International Business Machines. It is an American multinational technology company headquartered in Armonk, New York.

IMEI stands for International Mobile Equipment Identity. It is a unique number used to identify mobile phones, as well as some satellite phones.

ISP stands for Internet Service Provider. It is an organization that provides services for accessing, using, or participating in the Internet.

JPEG stands for Joint Photographic Experts Group. It is a commonly used method of lossy compression for digital images.

LAN stands for Local Area Network. It is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus, or office building.

LCD stands for Liquid Crystal Display. It is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals.

MB stands for MegaByte. It is a multiple of the unit byte for digital information storage.

MMS stands for Multimedia Messaging Service. It is a standard way to send messages that include multimedia content to and from mobile phones.

NIC stands for Network Interface Card. It is a hardware component that connects a computer to a network.

The abbreviation for Optical Disc Drive is ODD. It is a disk drive that uses laser light or electromagnetic waves near the light spectrum as part of the process of reading or writing data to or from optical discs.

PDF stands for Portable Document Format. It is a file format developed by Adobe to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

PAN stands for Personal Area Network. It is a computer network used for communication among computer and different information technological devices close to one person.

PC stands for Personal Computer. It is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.

RAM stands for Random Access Memory. It is a form of computer memory that can be read and changed in any order, typically used to store working data and machine code.

ROM stands for Read-Only Memory. It is a type of non-volatile memory used in computers and other electronic devices.

SaaS stands for Software as a Service. It is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted.

The abbreviation for Solid State Drive is SSD. It is a solid-state storage device that uses integrated circuit assemblies to store data persistently.

SEO stands for Search Engine Optimization. It is the process of increasing the quality and quantity of website traffic by increasing the visibility of a website or a web page to users of a web search engine.

SIM stands for Subscriber Identity Module. It is an integrated circuit that is intended to securely store the international mobile subscriber identity and its related key, which are used to identify and authenticate subscribers on mobile telephony devices.

TCP/IP stands for Transmission Control Protocol/Internet Protocol. It is the basic communication language or protocol of the Internet.

URL stands for Uniform Resource Locator. It is the address of a resource on the Internet.

USB stands for Universal Serial Bus. It is an industry standard that establishes specifications for cables, connectors, and protocols for connection, communication, and power supply between computers and electronic devices.

VIRUS stands for Vital Information Resources Under Siege. It is a type of malicious software program that, when executed, replicates by inserting copies of itself into other computer programs, data files, or the boot sector of the hard drive.

VPN stands for Virtual Private Network. It extends a private network across a public network and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.

WLAN stands for Wireless Local Area Network. It links two or more devices using a wireless distribution method, providing a connection through access points to the wider internet.

WWW stands for World Wide Web. It is an information system where documents and other web resources are identified by Uniform Resource Locators, which may be interlinked by hypertext, and are accessible over the Internet.

Wi-Fi stands for Wireless Fidelity. It is a technology for wireless local area networking with devices based on the IEEE 802.11 standards.

ZIP stands for Zoning Improvement Plan. It is a postal code used by the United States Postal Service (USPS).