U
U-band
U interface
u-Law
U-matic
U Meeting
U-NII
U-NNI
U-verse
U.2
U.S. CBDC
U.S. Computer Emergency Response Team
U.S. Robotics
U1 chip
U160
U2F
U2U
U3
U320
U3D
UA
UAC
UAE
UAF
UAI
UART
UART overrun
UAS
UASP
UAT
UAV
UBA
UBE
Uber
Uber Access
uber-computer
Uber Eats
uber-geek
Uber of X
uber prefix
uberizing
Ubernet
ubicomp
ubiquitous
ubiquitous AI
ubiquitous computing
UBL
UBM
UBR
UBS
uBTC
Ubuntu
uC
UCaaS
UCAID
UCC 2B
UCE
UCITA
Ucontent
ucp
UCR
UCS
UCS-2
UCS-4
UCSD p-System
UCT
UCUM
UD
UDA
Udacity
UDB
UDDI
UDF
UDI
UDID
UDIMM
UDMA
UDO
UDP
UDP hole punching
UDP/IP
UDP port
UDRP
UE
UEBA
UEFI
UEFI BIOS
UFD
UFO
UFS
UGC
ugly code
UHD
UHD 4K
UHD 8K
UHD Blu-ray
UHDTV
UHDV
UHF
UHF spectrum
UHF tag
UHQA
UHS-I
UHS-II
UHS-III
UI
UI builder
UI designer
UI specialist
UI types
UI/UX designer
UICC
UID
UIDL
UIM
UIMX
UINT
UL
UL/DL
UL/DL ratio
ULA
ULE
ULED
ULF
ULP
ULS server
ULSI
Ultimate
UltimateTV
Ultra ATA
Ultra-D
Ultra Density Optical
Ultra DMA
Ultra DMA/100
Ultra DMA/33
Ultra DMA/66
Ultra HD
Ultra HD Blu-ray
Ultra HDTV
Ultra High-Def TV
ultra high frequency
Ultra IDE
Ultra Mobile Broadband
ultra-mobile PC
ultra-rugged PC
Ultra SCSI
ultra-thin client
Ultra watch
Ultra-Wideband
Ultra2 SCSI
Ultra3 SCSI
Ultra4 SCSI
UltraAV
Ultrabook
ultracap
ultracapacitor
UltraCard
ultrafast laser
ultrafiche
UltraHD Premium
UltraJava
ultralight laptop
UltraPixel
ultraportable
ultraportable laptop
ultrasonic
ultrasonic audio
ultrasonic welding
ultrasound
UltraSPARC
ultrathin
ultrathin laptop
UltraViolet
ultraviolet light
UltraVNC
Ultrium
ULTRIX
ULV
UM
Um interface
UMA
UMB
umbrella term
UMD
UML
UMLS
UMOS
UMPC
umpteenth
UMS
UMTS
UN
UN/PW
unarchiving
unary
unattended install
unattended installation
unauthorized pay TV
unauthorized satellite TV
unbalanced line
unbank
unbanked
unblock
unbuffered DIMM
unbundle
unbundling
UNC
uncached speed
unchannelized
unchecked buffer
uncle block
unconditional branch
uncore
Uncyclopedia
undefined variable
undelete
undelivered email
undelivered mail
under cover removal
under-display camera
under-screen camera
underbanked
underclock
underflow
Undernet
underrun
underscan
underscore
underwater datacenter
undo
undo send
unexpected results
unfollow
unformatted
unfriend
unhackable
unhide
UNI
Unibus
unicast
unicast routing protocol
Unicenter
Unices
Unicode
unicorn
UniData
unidirectional
UNIFACE
unified communications
unified computing
unified computing system
unified display interface
unified memory
unified messaging
Unified Modeling Language
unified storage
unified threat management
Uniform Resource Locator
uniformity
UniForum
UNIFY 2000
Unify NXJ
Unify VISION
unimodal
Unimodem
uninstall
uninstaller
Uninterruptible Application Error
uninterruptible power supply
union
uniprocessor
unique crypto name
unique cryptocurrency name
unique visitors
unique visits
UniSQL
Uniswap
Unisys
unit record equipment
unit test
United Launch Alliance
United Online
United States customary units
UnitedLinux
UNIVAC
UNIVAC I
UniVBE
Univel
universal approximator
Universal Authentication Framework
universal binary
universal cable recognition
universal client
Universal Control
universal disk format
Universal DSL
universal game controller
Universal Media Disc
Universal Naming Convention
Universal Plug and Play
universal port replicator
Universal Product Code
universal remote control
Universal SearchOS
Universal Second Factor
Universal Serial Bus
universal server
universal time
Universal Windows Platform
UniVerse
Unix
UNIX 03
UNIX 93
UNIX 95
UNIX 98
Unix based
Unix box
Unix commands
Unix curses
Unix domain socket
Unix/DOS command comparison
Unix History
Unix International
Unix like
Unix server
Unix shell account
Unix socket
Unix to Unix copy
Unix/X
Unix Y2K
UnixWare
UnixWare 7
unjailbreak
unlabeled data
unlicensed band
unlicensed taxicabs
unload
unlock
unlock iPhone
unlocked phone
UNMA
unmanaged code
unmanaged Ethernet switch
unmanaged hub
unmanaged switch
unmanned aerial vehicle
UNMAP
unmark
unmount
unpack
unprintable characters
unqualified address
unregistered IP
unresolved
unroot
unscramble
unsend
unshielded twisted pair
unsolicited commercial email
unsolicited commercial software
unspent Bitcoin
unspent output
unspent transaction output
Unstoppable addresses
Unstoppable Domains
unstructured data
unstructured supplementary service data
unstructured text
unsubscribe
unsupervised learning
untethered
Unununium
Unununium time
unwanted program
unzip
uop
up
UP technology
UP.Browser
UP.Link Server
UPA
UPB
UPC
UPC-A
UPC code
UPC-E
upconversion
upconvert
upconverting
upconverting DVD
upconverting receiver
update
updates to this encyclopedia
upgradability
upgradable
upgrade
upgradeable
upgrading this software
uplink
uplink port
upload
upload site
upload speed
upload vs. download
uploading
UPMC
UPnP
UPnP Forum
UPoE
upper ASCII
upper CASE
upper memory
upper memory area
upper memory block
uprender
UPS
upsample
upsampling
upscale
upscaling
upsell
upstream
upstream vs. downstream
uptime
upward compatible
urban legend
urban myth
URI
URL
URL abbreviating
URL bar
URL clipping
URL filtering
URL hijacking
URL mapping
URL poisoning
URL redirecting
URL redirector
URL rewriting
URL shortcut
URL shortener
URL shortening
URL switch
URL to IP
URL to IP address
URL to IP conversion
URLcut
URN
US-CERT
US ISPA
usability
usability lab
usability testing
usage case
usage mining
USART
USB
USB 1.0
USB 1.1
USB 2
USB 2.0
USB 3
USB 3.0
USB 3.1
USB 3.1 Gen 1
USB 3.1 Gen 2
USB 3.2
USB 3.2 Gen 1x1
USB 3.2 Gen 1x2
USB 3.2 Gen 2x1
USB 3.2 Gen 2x2
USB 4
USB 4 Version 2.0
USB-A
USB A to B
USB adapter
USB audio
USB/AUX input
USB-B
USB Battery Charging
USB Bluetooth adapter
USB Bluetooth dongle
USB-C
USB-C to 3.5mm adapter
USB-C to analog adapter
USB cellular adapter
USB cellular modem
USB charger
USB charging cable
USB condom
USB DAC
USB data blocker
USB debugging mode
USB device
USB device class
USB disk
USB dongle
USB drive
USB drive adapter
USB drive kit
USB drive names
USB DSD DAC
USB/eSATA
USB external drive
USB flash drive
USB fob
USB hard drive
USB hub
USB-IF
USB key
USB key drive
USB mass storage
USB mass storage device class
USB memory
USB Micro
USB Micro-AB
USB Mini
USB modem
USB MSC
USB names
USB On-The-Go
USB OTG
USB pad
USB PC
USB PD
USB peripheral port
USB phone
USB plugs
USB port
USB port replicator
USB power
USB Power Delivery
USB powerline adapter
USB printer
USB RAID drive
USB security key
USB stick
USB storage device
USB switch
USB thumb drive
USB-to-SCSI adapter
USB token
USB toy
USB turntable
USB Type A
USB Type B
USB Type C
USB typewriter
USB wireless dongle
USCD p-System
USD
USD Coin
USD Tether
USDC
USDT
use case
use case analysis
use case diagram
used computers
Useless Ethereum Token
Usenet
USENIX
user
user acceptance test
user account
User Account Control
user agent
user agent spoofing
user agent string
user area
user authentication
user authorizations
user centric
user-centric ID
user-centric identity management
user configurable
user-created content
user credentials
user data
user data monetization
User Datagram Protocol
user default profile
user defined
user driven
user experience
user facing
user friendly
user-friendly Bitcoin address
user-friendly crypto address
user generated
user-generated content
user-generated emoji
user-generated reviews
user group
user hostile
user input terminal
user interface
user interface control
user-level security
user license agreement
user management and provisioning
user mode
user network
user permissions
user persona
user privileges
user profile
user programmable
user provisioning
user reviews
user rights
user script
user session
user sessions
user space
user support
user to user
USER.DAT
userid
username
username and password
Users folder
USG
USICA Act
USIM
USL
USM
USO
USOC
USPS
USR
USRobotics
USRT
USSB
USSD
UST
UTC
UTF
UTF-16
UTF-32
UTF-7
UTF-8
UTG
utilities
utility
utility computing
utility program
utility software
utility token
UTM
UTMS
UTP
UTP cable
UTP Ethernet
UTRAN
UTS
UTXO
UTXO database
UTXO set
UUcoding
UUCP
UUdecode
UUencode
UUID
UUNET
UV
UV filter
UV light
UVA
UVB
UVC
UW
UWB
UWC-136
UWC Consortium
UWCC
UWP
UX
UX design
UX designer
UX experience
UX/UI designer
UXD
UXGA
UXTO
UXTO database