4K Video with a resolution of at least 3840x2160 pixels.
Architecture A set of rules and language that govern how hardware and software work.
Beta A version of software that's being tested.
BIOS Software that connects the vital components.
Cache A temporary space for storing information.
Cookie A small text file stored on your computer by a website.
Client A program used to access and manage a users email.
Core Units on a processor that carry out program instructions.
Cryptocurrency Digital currency.
Dark web Websites accessed using the Tor privacy program.
DCI P3 A colour space that has a wider spectrum than sRGB.
Delta E A measurement that shows how the human eye perceives different colours.
DIMM An older standard for computer memory modules.
Direct X A Microsoft technology required to run many games.
Emulator A program that makes one computer act like another.
Extension A program that adds extra features to your browser.
FAT32 An old system used for formatting hard drives.
Feedback Tactile response of keys on a keyboard when pressed.
Flash memory Memory that can retain data without a power source.
FTP File Transfer Protocol. System for transferring files between PCs.
Gesture Finger movements on a screen that perform an action.
GHz Gigahertz. A measure of how many instructions a chip can process per second.
Graphics card A component in a computer that produces the image shown on the monitor.
HDMI High-definition multimedia interface.
Heatsink Block of metal used to dissipate the heat from a PC chip.
Hotspot A public area covered by a Wi-Fi network.
Hyperlink A clickable link that takes you to a document or website.
Image stabilisation A mechanism in digital cameras that compensates for any shaking during shooting.
L3 cache A memory bank on the motherboard or processor.
LCD Liquid-crystal display. Tech used to create flatscreen monitors.
LED Light-emitting diode. An electronic device that emits light.
MicroSD card A small type of memory card.
Monospace A font whose letters and characters each occupy the same amount of horizontal space.
MP4 A type of digital movie file.
NAS Network-attached storage. A hard drive attached to a network.
NFC Tech that allows two devices to communicate.
NTFS A file system used by all recent versions of Windows.
Open source Software that can be modified by anyone.
Overclock Make a processor work faster to boost performance.
PCI Peripheral Component Interconnect. A high-performance expansion slot for desktop PCs.
Phishing Internet fraud that tricks you into revealing personal details.
Plug-in A small program that adds extra features to software.
PNG Portable Network Graphics. A format for images that shrinks file sizes using compression.
Product key A serial number that must be typed in before a program will launch for the first time.
QR code A barcode that can be read using smartphones.
RAM Random access memory.
Read speed How long it takes a hard drive to 'read' data and respond to it.
Render How a website converts digital code into an image.
RMS A way of measuring the power output of speakers.
sATA Serial ATA. An interface for connecting hard drives and optical discs to a computer.
SD card Secure Digital card. A popular type of memory card.
Signal to noise ratio The level of a desired signal compared to the level of background noise.
SIM Subscriber's Identity Module. Smart card used by mobile phones.
sRGB A standard RGB colour space for use on monitors.
SSID Service Set Identifier. Name used to identify a wireless network.
Subwoofer Speaker designed to reproduce deep bass sounds only.
System restore point System files to which Windows can revert if a problem occurs.
Telemetry System in Windows 10 that racks how the operating system is used in order to improve it.
Temporary file A file created by a browser to store website data.
Travel The distance the keys of a keyboard have to be pressed before the keystroke is recognised.
Tweeter A speaker designed to produce high audio frequencies.
USB Type-C A new connector that you can plug in upside down.
Web space Space on a web server provided by web-hosting companies.
Web traffic People visiting a website
Write speed How long it takes a hard drive to save data.
ZIP file A file that contains compressed documents or files.
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