27 April – 10 May 2022 • Issue 6301080p Of the common types of
high-definition video, this is the
best quality: 1920x1080 pixels.32bit/64bit A measure of how
much data a PC can process at
once. Most older computers are
32bit, more modern ones are 64bit.4K Video with a resolution of at
least 3840x2160 pixels.5G The latest generation of mobile
networks.Artificial Intelligence (AI) A
computer program designed to
mimic the behaviour of humans or
animals.Benchmarking Comparing
software and products with an
accepted standard.Beta A version of software that’s
being tested. Beta versions are
often released so problems can be
ironed out.Biometric Using measurable
personal characteristics, such as
fingerprints, for identification.cd/m 2 Candela per square metre.
Standard unit of brightness.Clone A feature found in some
backup programs that makes an
exact copy of a drive on to another
drive.Code Describes the various
programming languages used to
create programs.Colorimeter A tool for measuring
the colour accuracy of monitors by
calibrating its brightness, contrast
and colour.Cookie A small text file stored on
your computer by a website. Used
to store browsing preferences,
website log-in details and so on.Core Units on a processor that
carry out program instructions.CSS Cascading Style Sheets.
An HTML feature that lets web
designers choose how some
elements on a website look.DIN Circular electrical connector
created by Germany’s Deutsches
Institut für Normung in the 1970s.DisplayPort A new socket for
connecting monitors.DNS Domain Name System.
A technology that associates
computers with their addresses on
the internet.dpi Dots per inch. A measure of
printed image quality, or the size
an object will be shown on screen.Driver A file that tells Windows how
to work with an external device.Emoji A small graphic that can be
inserted into a text message or email.eSIM A non-removable SIM card
that’s built into a phone, making it
easier to change network.Ethernet A standard used for
almost all wired computer networks.Frame rate The number of still
images, or frames, shown per
second to create a moving image.FTTP Fibre to the premises. Fibre
broadband that goes straight to the
doorstep. Faster than FTTC (fibre
to the cabinet).GDPR General Data Protection
Regulation. 2018 EU law
strengthening people’s privacy.GEDCOM Short for Genealogical
Data Communication. A file format
used by genealogy programs to
share data.Gesture Finger movements on
a screen that perform an action,
such as pinching to zoom.GHz Gigahertz. A measure of
how many instructions a chip can
process per second. 1GHz is equal
to 1,000MHz.Gigabit Ethernet A very fast
networking standard that can
transfer data at up to 1,000Mbps.GPS Global positioning system.
Satellite-based navigational system.GPT GUID Partition Table. A way
of partitioning data that allows for
bigger drives than the older MBR.Graphics card A component in a
computer that produces the image
shown on the monitor.GSM Global System for Mobile
Communications. The system for
digital mobile phones used in the
UK and Europe.HDMI High-definition media
interface. Type of connection that
transmits high-definition video and
audio signals.Hot swap Being able to safely
remove or plug in a device without
having to turn off a PC’s power.HTML Hypertext Markup
Language. The language used to
write most web pages.HTTP Hyper Text Transfer
Protocol. The technology that
sends data between your browser
and the web.HTTPS Hyper Text Transfer
Protocol Secure. The secure
version of HTTP.Image stabilisation A mechanism
built into digital cameras that
compensates for any shaking or
vibrations that occur during shooting.IMEI Integrated Mobile Equipment
Identity. A unique number used to
identify each mobile phone.IP address Internet Protocol
address. A unique set of numbers
used to identify computers and
websites on the internet.LCD Liquid-crystal display. The
technology used to create almost
all flatscreen monitors.Liquid cooler A system that
circulates water through a
computer to keep it cool.LT E A short term for 3GPP Long
Term Evolution, one standard for
very fast transfer of data on mobile
networks.M.2 A standard specification for PC
expansion cards and connectors.Malware Malicious software
that tries to disrupt the normal
operation of your computer,
bypass security controls or gather
data without your knowledge.MBR Master Boot Record. The
area on a hard drive that is checked
by a computer when it first starts.Metadata A set of data that gives
information about a file.MicroSD card A small type of
memory card. Can be converted to
SD size using an adapter.MP4 A type of digital movie file
often used for portable players.MSI A Windows file that contains
installers. Can be used for
Windows updates or third-party
software installers.NAS Network-attached storage. A
hard drive attached to a network
that can be shared with other PCs.Open source Software that can
be modified by anyone, rather
than just by the employees of the
company that created it.Overclock Make a processor
work faster to boost performance
at the cost of it getting hotter and
requiring more power.Palm-rejection technology Lets
you rest your hand on a device’s
screen without it changing what’s
being written.Partition A large hard drive can be
split into two or more partitions or
‘virtual’ drives.PCIe Peripheral Component
Interconnect Express. A faster
version of PCI - a slot on the
motherboard for expansion cards,
such as for sound and memory.Proxy A computer that sits
between your computer and the
internet and filters the connection.PS/2 Personal System 2. A set
of standards for such things as
mouse and keyboard interfaces,
originally used by IBM.PUP Potentially unwanted
program. A program that may
not be desired, despite the user
consenting to it being downloaded.QR code Quick Response code.
A barcode that can be read using
smartphones.RAM Random-access memory.
The computer’s working area,
used for data storage while the PC
is switched on.72
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