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National Teaching and Learning Change ProgrammeInformation and Communication Technology:
Dictionary

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  • Home
  • Data representation
  • General
  • Hardware
  • Internet/web
  • Managing data
  • Multimedia
  • Networks and communications technology
  • Programming
  • Security
  • Software
  • Systems design
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Quick links to the main sections of the sitemap:

  • Home
  • Data representation
  • General
  • Hardware
  • Internet/web
  • Managing data
  • Multimedia
  • Networks and communications technology
  • Programming
  • Security
  • Software
  • Systems design
  • My downloads
  • Ancillary pages

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Data representation

  • data structures
    • binary tree
    • child node
    • descendant
    • dimension (1)
    • element (1)
    • first in, first out (FIFO) (1)
    • hash table
    • last in, first out (LIFO) (1)
    • linked list
    • list
    • node
    • one-dimensional array (1)
    • ordered list
    • parent node
    • pointer
    • pop
    • pull
    • push
    • queue
    • stack
    • three-dimensional array
    • tree
    • two-dimensional array
    • last in, first out (LIFO) (2)
    • one-dimensional array (2)
    • first in, first out (FIFO) (2)
    • element (2)
    • dimension (2)
    • array (2)
    • date data

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General

  • user interface
    • cancel
    • check box
    • command line interface
    • control panel
    • cursor
    • desktop
    • dialogue box
    • front end
    • graphical user interface (GUI)
    • human-computer interface (HCI)
    • interface
    • list box
    • natural language interface
    • prompt
    • radio button
    • scroll bar
    • status bar
    • toolbar
    • toolbox
    • usability
    • user friendly
    • user interface
    • view
    • user environment
    • wallpaper
    • go
    • window
  • units
    • byte
    • capacity
    • gigabyte
    • kilobyte
    • megabyte
    • megahertz
    • millions of instructions per second (MIPS)
    • baud
    • baud rate
    • bits per second (bps)
  • start up and shut down
    • down time
    • freeze
    • hang
    • ready
    • reboot
    • reset
    • restart
    • shutdown
    • stand by
  • settings
    • configure
    • contrast (1)
    • customise
    • default
    • default settings
    • global change
    • options
    • page setup
    • settings
    • contrast (2)
  • searching
    • find (or search)
    • find and replace
    • fuzzy logic
    • hit
    • keyword
    • replace
    • search
    • search criteria
    • search results
    • search routine
    • wildcard
    • advanced search
  • people
    • computer operator
    • data processing manager
    • developer
    • facilitator
    • hacker
    • help desk
    • information manager
    • lurker
    • member
    • moderator
    • network manager
    • programmer
    • support
    • sysop
    • systems analyst
    • systems programmer
    • technician
    • user (1)
    • user group
    • web developer
    • web master
    • pirate
    • database manager
    • user (2)
  • other
    • automatic
    • compatible (1)
    • connect
    • disable
    • enable
    • error
    • face to face
    • height
    • incompatible
    • information and communications technology (ICT)
    • information and learning technology (ILT)
    • information technology (IT)
    • interoperability
    • log
    • log file
    • manual
    • optimise
    • resolve
    • solution
    • standard
    • status
    • toggle
    • width
    • backward compatible
    • computer platform
    • media
    • platform
    • sequence
    • compatible (2)
  • numbering systems and numbers
    • binary
    • binary representation
    • decimal
    • decimal point
    • decrement
    • evaluate
    • floating-point numbers
    • fraction
    • HEX
    • hexadecimal
    • increment
    • integer
    • long integer
    • octal
    • random
    • real numbers
    • rounding
    • digit
    • number base
    • numeric overflow
  • navigation
    • hot key
    • icon
    • keyboard shortcut
    • menu (1)
    • menu bar
    • pull-down menu
    • shortcut
    • task bar
    • tab (2)
    • menu (2)
  • mouse operations
    • double click
    • mouse event
    • mouse pointer
    • pointer
    • right click
    • select
  • licensing
    • licence
    • multi-user licence
    • Open Source Software (OSS)
    • public domain software
    • single-user licence
    • site licence
    • software licence
    • shareware
  • legislation
    • copyright
    • Data Protection Act
    • data subject
    • data user
  • help
    • error message
  • health and safety
    • ergonomics
    • mouse mat
    • Repetitive Strain Injury (RSI) (1)
    • wrist rest
    • Repetitive Strain Injury (RSI) (2)
  • formatting
    • body text
    • bullet
    • bullet points
    • centred
    • double spacing
    • format
    • highlight
    • justification
    • layout
    • line break
    • line spacing
    • margin
    • numbered list
    • paragraph
    • single spacing
    • style
    • style sheet
    • template
    • underline
    • indent
    • outdent
    • white space
  • editing
    • cut and paste
    • delete
    • drag and drop
    • paste
    • preview
    • print preview
    • redo
    • select
    • select all
    • tab (1)
    • undo
    • WYSIWYG (1)
    • autocomplete
    • insert
    • paste special
    • ruler
    • edit
    • editing
    • WYSIWYG (2)
  • windows
    • clipboard
    • close window
    • maximise
    • minimise
    • open in new window
    • resize
    • scroll
    • slider bar
    • split window
    • window

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Hardware

  • printing
    • dots per inch (dpi)
    • hard copy
    • paper size
    • print
    • printer font
    • printer resolution
    • printout
    • resolution
    • continuous stationery
    • draft
    • pre-printed stationery
  • printer hardware
    • drum
    • feed
    • graphics plotter
    • ink cartridge
    • inkjet printer
    • laser printer
    • monochrome printer
    • network printer
    • plotter
    • print buffer
    • print cartridge
    • print head
    • printer
    • toner
    • cut sheet feeder
    • friction feed
    • line feed
    • page feed
    • pin feed
    • sheet feeder
    • tractor feed
  • output
    • interactive whiteboard
    • webcam
    • data projector
    • headphones
    • headset
    • speakers
    • speech synthesiser
    • terminal
    • voice synthesis
    • output device
  • monitor
    • CRT monitor
    • display
    • flat screen
    • liquid crystal display (LCD) screen
    • low resolution
    • monitor
    • pixel
    • plasma screen
    • refresh rate
    • RGB
    • screen
    • screen refresh
    • thin film transistor (TFT)
    • touchscreen
    • vector graphics
    • video graphics array (VGA)
    • visual display unit (VDU)
    • resolution
  • memory
    • cache
    • dynamic memory
    • immediate access store
    • keyboard buffer
    • location
    • memory
    • memory management unit (MMU)
    • physical address
    • random access memory (RAM)
    • read-only memory (ROM)
    • static memory
    • static RAM
    • store
    • video RAM (VRAM)
    • virtual memory
    • volatile memory
    • working store
    • print buffer
    • memory refresh
  • logic gates
    • gate
    • logic gate
    • NOR gate
    • NOT gate
    • OR gate
  • keyboard
    • arrow key
    • caps lock
    • control key
    • control, alt, delete
    • ctrl key
    • cursor control key
    • delete key
    • enter
    • esc key
    • escape
    • function key
    • key
    • keyboard
    • numeric keypad
    • page down
    • page up
    • return
    • shift key
    • spacebar
    • tab key
  • interfaces and buses
    • expansion slot
    • motherboard
    • slot
    • small computer systems interface (SCSI)
    • universal serial bus (USB)
    • USB port
    • video card
    • cradle
    • MIDI
  • input
    • button
    • card reader
    • digital camera
    • electronic whiteboard
    • games console
    • graphics tablet
    • hand-held scanner
    • input device
    • interactive whiteboard
    • joystick
    • mouse
    • mouse button
    • scanner
    • stylus
    • trackerball
    • video camera
    • webcam
    • electronic point-of-sale terminal
    • touch pad
    • headset
    • terminal
  • general terms
    • eject
    • hardware
    • original equipment manufacturer (OEM)
    • smart card
    • system crash
    • uninstall
    • upgrade
    • install
    • installation
  • computer types
    • computer
    • desktop computer
    • fifth-generation computer
    • first-generation computer
    • fourth-generation computer
    • interactive computing
    • kiosk-type browser
    • laptop
    • Mac
    • mainframe
    • microcomputer
    • notebook
    • palmtop computer
    • Personal Computer (PC)
    • personal digital assistant (PDA) (1)
    • second-generation computer
    • tablet PC
    • third-generation computer
    • tower
    • multiprocessor
    • super-computer
    • personal digital assistant (PDA) (2)
  • components
    • cable
    • chip
    • component
    • hard-wired
    • integrated circuit
    • light emitting diode (LED)
    • peripheral
    • printed circuit board (PCB)
    • redundancy
    • silicon chip
    • switch
    • latency
  • storage
    • burn
    • CD drive
    • CD writer
    • CD-ROM
    • CD-RW
    • cylinder
    • Digital Versatile Disk (DVD)
    • disk
    • disk drive
    • disk pack
    • file allocation table (FAT)
    • floppy disk
    • fragmented
    • hard disk
    • hard drive
    • head crash
    • insert (disk) (1)
    • laser disk
    • memory stick
    • park
    • read/write head
    • sector
    • seek time
    • storage
    • storage medium
    • track
    • USB stick
    • write-once, read-many (WORM)
    • magnetic tape
    • space
    • zip drive
    • insert (disk) (2)
    • disk drive

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Internet/web

  • web design
    • admin site
    • anchor
    • background
    • banner ad
    • cascading style sheet (CSS)
    • check box
    • content
    • content management system (CMS)
    • dummy text
    • form
    • frames
    • free text fields
    • hit counter
    • horizontal scrolling text
    • hover
    • mailto
    • pop-up
    • remote testing
    • rollover
    • table
    • ticker tape
    • unordered list (1)
    • vertical scrolling text
    • web authoring software
    • web authoring tool
    • web page
    • web site
    • web-safe colours
    • target
    • animated gif
    • text box
    • unordered list (2)
  • searching
    • hit
    • hit rate
    • search engine
    • spider
  • protocols and standards
    • internet message access protocol (IMAP)
    • metadata
    • multipurpose internet mail extensions (MIME)
    • network news transfer protocol (NNTP)
    • POP3
    • request for comment (RFC)
    • SMTP
    • World Wide Web Consortium (W3C)
    • internet protocol (IP)
    • serial line internet protocol (SLIP)
    • file transfer protocol (FTP)
  • navigation (browser)
    • address
    • back
    • bookmark
    • breadcrumb trail
    • browse
    • browser
    • clickable
    • favorites
    • forward
    • history
    • home page
    • home page
    • hot link
    • hot spot
    • hyperlink
    • image map
    • index page
    • link
    • navigate
    • pop-up menu
    • surf
    • uniform resource locator (URL)
    • hypertext
    • portal
    • tab
  • infrastructure
    • broadband
    • dial-up
    • digital subscriber line (DSL)
    • DNS server
    • domain
    • domain name
    • domain name system (DNS)
    • internet service provider (ISP)
    • narrow band
    • resolve
    • top level domain (TLD)
    • web server
    • cache
    • mirror
    • point of presence (PoP)
    • unmetered internet access
  • general terms
    • cyberspace
    • e-commerce
    • frequently asked questions (FAQ)
    • information superhighway
    • internet
    • net
    • online shopping
    • ping
    • plug-in
    • poll
    • RSS
    • web
    • web statistics
    • world wide web
    • feed
    • push
    • www
  • mailing lists
    • cross posting
    • digest
    • email notification
    • flame
    • mailing list
    • reject (a mailing list posting)
    • subscribe
    • subscribe
    • unsubscribe
    • list server
  • email
    • (you) email (me)
    • @ (at)
    • address
    • address book
    • attach
    • attachment
    • bounce
    • cc
    • contacts
    • electronic mail
    • email
    • email account
    • email redirection
    • emoticon
    • filter
    • forward
    • inbox
    • junk mail
    • mailbox
    • outbox
    • redirect
    • reply
    • reply all
    • sent mail
    • sig file
    • snail mail
    • spam
    • spam filter
    • web-based email
    • bcc
    • mailbox
    • POP3
    • SMTP
    • mail server
  • communications - other
    • blog
    • chat
    • chat room
    • internet relay chat (IRC)
    • internet telephony
    • MSN Messenger (MSN)
    • netiquette
    • podcasting
    • synchronous
    • telecommute
    • tele-conferencing
    • tele-working
    • three letter acronym (TLA)
    • video conferencing
    • vlog
    • webcasting
    • Wiki
  • bulletin boards and forums
    • conferencing software
    • conversational mode
    • forum
    • moderation
    • newsgroup
    • post
    • thread
  • web programming
    • alt tag
    • applet
    • attribute (html tags)
    • bot
    • common gateway interface (CGI)
    • cookie
    • dynamic hypertext mark-up language (DHTML)
    • embed
    • end tag
    • eXtensible Hypertext Markup Language (XHTML)
    • eXtensible Markup Language (XML)
    • frameset
    • HyperText Markup Language (HTML)
    • Java applet
    • JavaScript
    • mouseover
    • robot
    • server side includes (SSI)
    • start tag
    • tag
    • meta tag
    • client side

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Managing data

  • file structure
    • file format
    • direct access
    • sequential access
    • sequential file
    • serial access
    • serial file
    • comma separated value (CSV) (2)
  • files and folders
    • file
    • file attribute
    • file listing
    • file name
    • file name extension (1)
    • file type
    • file path
    • folder
    • nested folder
    • subdirectory
    • subfolder
    • file name extension (2)
  • file operations
    • copy
    • data compression
    • download
    • edit
    • editing
    • export
    • extract
    • import
    • open
    • read
    • recycle bin
    • save
    • save as
    • store
    • trash
    • upload
    • wipe the disk
    • write
    • overwrite
    • read-only
    • rename
    • restore
    • write protect
  • output
    • management information system (MIS)
    • matrix
    • output
    • report
    • report format
  • processing
    • batch processing
    • data retrieval
    • electronic data interchange (EDI)
    • garbage in, garbage out (GIGO)
    • information processing
    • information retrieval
    • interactive processing
    • process
    • real-time
    • retrieve
    • schema
    • statistics
    • audit trail
    • master file
    • scratch file
    • scratch pad
    • transaction file
    • update
  • validation and verification
    • cyclic redundancy check (CRC)
    • data integrity
    • format check
    • hash
    • inconsistent data
    • parity check
    • range check
    • unreasonable data
    • validation
    • verification
    • parity bit

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Multimedia

  • general terms
    • fast forward
    • frame-by-frame
    • interactive media
    • media player
    • multimedia
    • pause
    • play
    • record
    • rewind
    • progressive download
    • parent process

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Networks and communications technology

  • cabling
    • coaxial cable
    • fibre optic cable
    • network cable
    • optical fibre
    • twisted pair
  • data transmission
    • bandwidth
    • baud
    • baud rate
    • bits per second (bps)
    • broadcast
    • connection speed
    • contention ratio
    • data transmission
    • digital
    • duplex
    • echo
    • full duplex
    • half duplex
    • packet switching system (PSS)
    • signal
    • simplex
    • latency
    • noise
    • parallel data transmission
    • serial data transmission
  • hardware
    • converter
    • fax
    • file server
    • host
    • modem
    • network card
    • network interface card (NIC)
    • router
    • station
    • backbone
    • cable modem
    • client
    • fax modem
    • hub
  • LAN/WAN
    • intranet
    • local
    • local area network (LAN) (1)
    • remote
    • remote access
    • server
    • wide area network (WAN)
    • local area network (LAN) (2)
  • protocols and standards
    • handshake
    • integrated services digital network (ISDN)
    • internet protocol (IP)
    • IP address
    • IP number
    • point-to-point protocol (PPP)
    • secure socket layer (SSL)
    • serial line internet protocol (SLIP)
    • short message service (SMS)
    • simple object access protocol (SOAP)
    • transmission control protocol (TCP)
    • transmission control protocol/internet protocol (TCP/IP)
    • voice over internet protocol (VoIP)
    • wifi
    • wireless application protocol (WAP)
    • communications protocol
    • protocol
  • topology
    • cluster
    • network topology
    • ring network
    • star network
    • peer-to-peer network
  • wireless
    • wireless application protocol (WAP)
    • Bluetooth
    • Bluetooth headset
    • hot spot
    • wireless
    • wireless access point
    • wireless card
    • wireless local area network
    • wireless router
    • infra-red communication

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Programming

  • variables
    • assign
    • clear variables
    • declare a variable
    • dummy variable
    • dynamic variable
    • environment variable
    • flag
    • global variable
    • identifier
    • initialise
    • local variable
    • reset
    • scope
    • set
    • static variable
    • string
    • string data
    • unset
    • value
    • variable
    • reset
  • testing and debugging
    • beta test
    • beta version
    • break point
    • bug
    • debug
    • single stepping
    • step mode
    • test data
    • troubleshoot
  • running programs
    • execute
    • load
    • quit
    • run
    • run-time
    • run-time error
  • symbols
    • - (hyphen, dash)
    • - (minus)
    • ! (exclamation mark)
    • # (hash) (1)
    • $ (dollar)
    • & (ampersand)
    • && (ampersand, ampersand)
    • ( (opening bracket)
    • ) (closing bracket)
    • * (asterisk)
    • . (decimal point, full stop)
    • / (forward slash)
    • : (colon) (2)
    • ; (semicolon)
    • [ (opening square bracket)
    • \ (back slash)
    • ] (closing square bracket)
    • ^ (caret)
    • { (Opening curly bracket)
    • | (pipe)
    • | (Vertical bar)
    • } (Closing curly bracket)
    • ~ (tilde)
    • + (plus) (1)
    • ++ (plus, plus)
    • < (less than)
    • <> (not equal to)
    • = (equals) (1)
    • == (equals, equals)
    • > (greater than)
    • # (hash) (2)
    • : (colon) (1)
    • + (plus) (2)
    • = (equals) (2)
  • procedural programming
    • jump (1)
    • jump (2)
  • operators
    • arithmetic operator
    • binary operator
    • bitwise operator
    • Boolean
    • Boolean field
    • Boolean operator
    • comparison operator
    • logical operator
    • NAND
    • NOR
    • NOT
    • operand
    • operator
    • OR
    • relational operator
    • string operator
    • truth table
    • unary operator
    • XOR
    • Boolean algebra
  • object oriented programming
    • object
    • object oriented languages
    • object oriented programming (OOP)
  • notation
    • infix notation
    • postfix notation
    • prefix notation
    • Reverse Polish Notation
  • languages and commands
    • catch (an exception)
    • clear (screen)
    • command
    • comment
    • comment a program
    • file handling
    • file operations
    • FOR loop
    • fourth-generation language
    • high-level language
    • IF statement
    • Java
    • keyword
    • language
    • Logo
    • low-level language
    • machine code
    • mnemonic
    • page description language
    • procedural language
    • program
    • programming language
    • query language
    • script
    • third-generation language
    • throw
    • WHILE loop
    • select
    • Structured Query Language (SQL)
    • reserved word
  • functions, procedures, routines
    • argument
    • call
    • exit
    • formal parameter
    • function
    • parameter
    • parameter passing
    • procedure
    • recursion
    • return
    • subprogram
  • design
    • integrate
    • Jackson Structured Programming (JSP)
    • modular design
    • stepwise refinement
    • structured programming
    • top-down programming
  • data types
    • char
    • character data
    • constant
    • data type
    • float type
    • integer type
    • literal
    • numeric data type
    • numeric field type
    • numeric type
    • real type
    • user-defined data type
    • variable type
    • Boolean field
    • branch
    • user preferences
  • writing programs
    • application program interface (API)
    • concatenation
    • condition
    • end of file (EOF) character
    • error trap
    • event
    • infinite loop
    • instruction
    • interrupt
    • invoke
    • iteration
    • label
    • logic
    • logical error
    • loop
    • module
    • nested loop
    • parsing
    • program code
    • programming
    • pseudo-code
    • rogue value
    • statement
    • syntax
    • syntax error
    • terminator
    • version
    • binary search
    • patch
    • true
    • false

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Security

  • encryption
    • decode
    • decryption
    • encode
    • encryption
    • encryption key
    • key
    • password protection
  • general terms
    • secure socket layer (SSL)
    • corruption
    • data security
    • dongle
    • firewall
    • hacking
    • protection
    • proxy server
    • security
  • users
    • authentification
    • log off
    • log on
    • login
    • login
    • login account
    • logout
    • password
    • PIN
    • user group
    • user name
  • viruses
    • virus definitions
    • detect a virus
    • disinfect
    • infection
    • logic bomb
    • parasitic virus
    • quarantine
    • report
    • scan for viruses
    • spyware
    • Trojan horse
    • virus
    • virus check
    • worm

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Software

  • utilities and tools
    • agent
    • spider
    • bot
    • robot
    • file transfer protocol (FTP)
    • self extracting archive
    • tool
    • utility
    • wizard
    • zip
    • screen saver
  • types
    • application
    • package
    • proprietary
  • systems software
    • boot
    • boot file
    • job
    • job control language
    • job queue
    • print job
    • print queue
    • print spooler
    • systems software
  • spreadsheets
    • bar chart
    • cell
    • chart
    • column
    • formula
    • function
    • graph
    • grid
    • gridline
    • histogram
    • legend
    • look-up table
    • pie chart
    • relative reference
    • row
    • scatter graph
    • sheet
    • sort
    • sort ascending
    • sort descending
    • split
    • spreadsheet
    • sum
    • workbook
    • worksheet
    • replication
    • comment box
  • presentation
    • fade
    • presentation
    • slide
    • slide master
    • slideshow presentation
    • transition
    • transitional effect
    • outline view
  • other applications
    • search engine
    • web authoring software
    • web authoring tool
    • artificial intelligence (AI)