Page 73 - Computeractive - January 2, 2018 UK

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3G/4G A s et of technologies t hat Command p rompt A b lack HDR High-dynamic r ange. A Passive r adiator A s imple speaker
delivers f aster m obile broadband. window i nto w hich you c an type camera t hat takes more t han o ne device that increases bass.
instructions. T o s ee it, click Start, photo with different levels
4K Video w ith a r esolution of at Run, type cmd and p ress E nter. of colour and c ontrast. Th ese Phishing A f orm of internet
least 3 840x2160 p ixels. images a re then combined to fraud t hat tries t o t rick you i nto
BIOS Basic Input-Output System. create a b etter-quality i mage. revealing p ersonal d etails.
5K Video w ith a h orizontal Essential s oftware b uilt i nto
resolution of 5120x2880 pixels. every PC that connects the v ital JPEG Joint P hotograph E xperts Plug-in A s mall program t hat
components. Group. A c ommon type of image adds extra f eatures to software or
7z Also known a s 7 -Zip. A f ree, file c reated by most digital to your web b rowser.
open-source fi le archiver. Core Units o n a p rocessor that cameras. S ome image quality i s
carry out program i nstructions. lost w ith e ach save. PNG Portable Network Graphics.
Add-on A p rogram that adds extra A f ormat for i mages t hat shrinks
features to your browser. CPU Central P rocessing U nit. LAME A s oftware e ncoder that file s izes using compression but
Another term for a p rocessor. converts audio t o t he MP3 file without discarding a ny data.
Augmented r eality Lets you v iew format.
the r eal w orld o n a d igital display Defragment To reorganise the Ransomware Malware r un by
and a dd elements f rom t he digital data s tored o n a h ard d rive so files LED Light-Emitting D iode. An hackers w ho lock files on your PC
world. are s tored i n o ne piece and c an be electronic device that emits l ight. and d emand a p ayment t o r elease
accessed quickly. Used on almost all e lectronic them.
Bandwidth A m easure of how devices, and t o p rovide the
much data c an be transferred DivX A p opular t ype o f backlight f or some LCDs. RAR Roshal A rchive. A f ormat for
through a c onnection at one time. compressed v ideo fi le. storing compressed fi les.
M.2 A s tandard specification for
Beta A v ersion of software that’s E I nk Electrophoretic ink. A s pecial internal P C e xpansion cards a nd Source code Program instructions
being t ested. B eta v ersions are type of ink used to display content connectors. written b y a p rogrammer in a h igh-
often r eleased s o p roblems can b e in electronic devices. level l anguage that are r eadable b y
ironed o ut. MAC a ddress Media A ccess people b ut not c omputers.
Encoder A p iece of software that Control. A u nique c ode t hat
BIOS Basic Input-Output System. converts media fi les t o a n ew identifies a ny router. A l aptop P C sRGB A s tandard RGB c olour
Essential s oftware b uilt i nto format, such as converting W AV might h ave o ne MAC f or its w ired space f or use o n m onitors,
every PC that connects the v ital audio fi les t o M P3. network socket and a nother for printers a nd the i nternet.
components. It’s visible f or a f ew wireless.
seconds when the P C s tarts. Extension See A dd-on. SSD Solid-state d rive. S torage that
Machine l earning The science o f uses no moving parts.
Blue light Light g iven off by PC File path Shows the l ocation of a teaching c omputers h ow to learn
and p hone screens. C an disrupt file w ithin Windows. by themselves, without further Temporary file A fi le created b y
sleep p atterns. human input. a b rowser to store w ebsite d ata.
Firmware Basic software stored Temporary fi les t ypically have a
Cache A t emporary space f or on a d evice, such as a m usic Mesh router Wireless network .TMP or .TEMP fi le extension, but
storing information. Can b e player, t o c ontrol i ts operation. that uses multiple, c onnected any n aming c onvention might b e
memory used on a c omputer Can s ometimes be upgraded i n a routers t o s tretch Wi-Fi f urther used.
processor, or space o n a h ard d rive process o ften called flashing. than a t raditional r outer.
used by a w eb browser. Tweeter A s peaker designed t o
Flash m emory A t ype o f m emory Metadata A s et of data t hat gives produce h igh a udio frequencies.
Cast To send content from y our that can r etain information without information about a fi le. Named a fter the n oise m ade by
PC to TV. a p ower source. U sed i n m emory birds.
cards, USB sticks a nd other NFC Near-field c ommunication.
Clock To set t he number of pulses storage devices. A t echnology t hat allows two Two-factor v erification A s ystem
per s econd generated by an devices t o c ommunicate by being that uses two d ifferent means t o
oscillator. I t d etermines how f ast a GHz Gigahertz. A m easure of touched t ogether or placed near to identify t he user. F or example, a
processor e xecutes instructions. how m any i nstructions a c hip can each other. PIN i n a ddition to a p assword.
process p er second.
Clock s peed The speed at which a OLED Organic l ight-emitting Unibody Term used to describe a
computer processor c an perform GIF Graphics Interchange Format. diode. A t hin-film o rganic l ight- smartphone or tablet c ases made
operations. M easured i n G igahertz A t ype o f i mage file o ften used emitting d iode used in computer from a s ingle p iece of metal.
(GHz). on the w eb, b ut now l argely displays a nd television screens.
superseded by PNG. USB 2 .0/3.0/3.1 Faster successors
Codec Short f or Compressor/ Open source Software that can to USB that are u sed b y d evices
Decompressor. A fi le that tells a Graphics card A c omponent in a be modified b y a nyone, rather such as external h ard d rives.
computer how t o r ecord o r p lay a computer that produces the i mage than just by the e mployees of the
type of media fi le. shown on the m onitor. company t hat created i t. WPA2 Wifi P rotected A ccess. A
more s ecure v ariant of the s ecurity
Colour temperature How b lue HDMI High-definition media Optical s tabilisation A m echanism standard for w ireless n etworks.
and y ellow-orange combine t o interface. A t ype o f c onnection that built i nto d igital cameras that
produce t he overall c olour o f y our transmits h igh-definition video a nd compensates for a ny vibrations ZIP A fi le that contains a n umber
monitor. audio s ignals. that occur d uring s hooting. of compressed d ocuments o r fi les.

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