Technical Glossary

The Technical Glossary page on Digital Speak is designed to help provide the explanation behind some of the terms or acronyms that pop up on the blog.

Most of the entries are linked to a useful website called TechTerms and some are linked to

The list is not exhaustive and grows with the posts.  If I’ve missed any terms that are in the blog posts but not in glossary and should be, please let me know.

It's updated regularly to keep up with the contents of the posts.



An update designed to increase a computer’s or software’s capability

Multimedia software platform

Asymmetric digital subscriber line


Advanced Encryption Standard, a specification for encryption of electronic data

A set of instructions designed to perform a specific task

World’s largest online retailer founded in 1994


Advanced Micro Devices – American multi-national semiconductor company producing computer processor

Active matrix organic light emitting diode

Mobile operating system developed by Google

Software designed to detect and/or remove computer viruses or malicious software

Apple Inc

American multinational technology company 

Computer technology that automates activity otherwise carried out by humans


British company formerly Advanced RISC Machine, produces computer processors

A form of Ransomware


Binary digit.  Smallest unit of measure of computer data

Digital currency existing online only

Blockchain is a list of records of computer codes used to validate cryptocurrency

Web log.  Platform online for discussions or information on a particular subject

Short range wireless technology


Software application that runs automated tasks over the internet

A network of computers running multiple bots linked by malware

High speed internet access constantly connected

Binary digits grouped to make a unit measure of memory size

In computing terms, a hardware of software component that stores data

Freeware web browser developed by Google


Central Processing Unit

The use of malware spread to websites designed to mine data from computer using its processing power without permission

Digital or virtual currency available online

Protecting information and converting it to a secure format

Technologies, processes and controls designed to protect systems from cyber attack

Discovery of patterns in large data sets within data bases

Distributed Denial of Service attack.  Intentional flooding of a network simultaneously from multiple sources


Denial of Service attack. Single source or computer designed to flood multiple targeted resources or computers

To receive data from a remote system such as a server then saved to the receiving source


Digital rights management

Unmanned aerial vehicle

A telecommunications device (e.g. mobile phone) supporting multiple radio frequency bands

Multinational eCommerce corporation hosting online buying/selling or consumer goods founded in 1995

A link layer protocol for connecting devices through TCP/IP

Social media and social networking service founded in 2004

Technology capable of identifying and verifying a person from a digital image

Gigabits per second

1 Million Bits.  Used for measuring data transfer rates

A unit measure of data or 1000 megabytes.  Used for measuring computer storage capacity

Free email service developed by Google

Multinational technology organisation based on its internet search engine and internet related services and products


Global Positioning System

Someone who gains unauthorised access to computers or data


High Definition


High Dynamic Range in terms of colour photography

Small speakers worn around or in the ears connected by wire or wireless

Trademark for Centrica’s smart home product for control of internet connected devices including thermostats, lights and electrical appliances


Hewlit Packard


Hues, Saturation and Luminance in terms of colour photography


Hues, Saturation and Value in terms of colour photography

Hypertext Transfer Protocol

Hypertext Transfer Protocol Secure


Initial Coin Offering

Institute of Electrical and Electronics Engineers – Wi-fi standards

Additional paid-for features and add-ons within a free app or game

Online photo sharing social media service

Intel Corporation – American multi-national company producing computer processor

The global world wide web connecting computers and servers through high bandwidth data connectivity


Operating system manufactured by Apple Inc for mobile devices


Internet of Things


Internet Service Provider

Removal of software restrictions to access or exploit an operating system or application usually in IOS

Key Reinstallation Attack, a Wi-fi security vulnerability


Liquid Crystal Display


Light emitting diode

Business and employment social networking service founded in 2002

Open source operating system modelled on UNIX

MAC (as in Apple)

Brand and trademark of computers manufactured by Apple Inc

A field of computer science that allows computers to learn specific functions

Malicious software

Megabits per second

Software that plays digital media (Music or video)

A unit measure of data or 1048 bytes

American multi-national technology company manufacturing, developing and support software licences

Class of smaller computer developed in the 1960s

Wireless internet access through a portable modem

UK communications regulator

Software where it’s source code is made freely available on the internet or other means

Low level software that handles a computer’s basic functions


Peer to Peer network communication

Restricts access to internet content via a paid for subscription service

1000 Terabytes.  Used for measuring computer storage capacity

Fraudulent email distribution designed to obtain personal data from recipients

In computing a device that can be automatically enabled without the need for manual configuration by the user

Audio and video broadcasts via the internet

Malicious software intended to block or encrypt files or data in return for financial payment


Red, Green, Blue – the three hues of light that can mix together to form any other colour

Satellite navigation system


Secure Digital or Standard Definition

A program that searches for items in a data base using titles, keywords and characters

A smart home or house incorporates technology and advanced automation to provide monitoring and control of basic functions

A fraudulent type of communication sent from an unknown source disguised and a source known to the user e.g. email

Multimedia data constantly received and presented to the user without being saved or downloaded

Transmission Control Protocol/Internet Protocol.  A set of communication protocols used on the internet

1000 Gigabytes.  Used for measuring computer storage capacity

Display screen that also serves as an input device

Malicious computer program designed to mislead and install unwanted software

Social networking and online news service founded in 2006

Operating system first developed by Bell labs in 1969

To send data from to remote system such as a server then saved to the receiving source


Uniform Resource Locator.  Signifies the address or location of a website on the internet


Universal Serial Bus. Cable connection type for communication protocols

Software that replicates a keyboard for inputting characters

Malicious software program (Malware) designed to copy itself and cause damage to multiple computers or devices


Virtual Private Network

An application used to access websites

Through a web browser, use of patterns in large data sets within data bases


Wired Equivalent Privacy, a wireless security protocol

Wireless Fidelity - networking technology allowing computers or mobile devices to connect over wireless radio signals

An information sharing website where users can collaboratively add or modify the content

Microsoft’s popular operating system for desktop and laptops


Wireless mesh network (WMN) is designed to give full Wi-Fi coverage without dead spots

Malware computer program designed to replicate itself and cause damage


Wi-Fi Protected Access, a wireless security protocol

Wi-Fi Protected Access, enhancement to WPA a wireless security protocol

Video clip sharing and social media website created in 2005.  Bought out by Google in 2006