IT & Development vocabulary — B2

52 words of level B2 (Upper-intermediate) from the “IT & Development” collection. Each one has a short definition in simple English; tap a word to open its dictionary page.

This topic by level: A2 · 26 B1 · 92B2 · 52 Whole collection: 193 words →

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Word	Definition
database	a large organised collection of information on a computer
integer	whole number that is not a fraction
syntax	the rules for how words are put together in a language
algorithm	a set of rules followed to solve a problem step by step
interface	point where two systems or people meet and work together
callback	a piece of code that runs after another task finishes
asynchronous	not happening at the same time
synchronous	happening at the same time
programmer	a person who writes instructions for computers
debugging	finding and fixing problems in a computer
testing	checking that a computer program works correctly
deploy	to make a new version of a program available to people
compile	to turn program code into a form a computer can run
compiler	a program that turns code into a form a computer can run
runtime	the time when a computer program is running
agile	describing work done in short flexible stages
documentation	official papers or written instructions
dependency	another piece of code that a program needs to work
routing	sending something along a chosen path
template	a pattern or guide used to make something
responsive	able to change and fit different screen sizes
cross-platform	working on different types of computers or systems
domain	an area of knowledge or control, or a web address
caching	storing information so it can be found quickly later
encrypt	change data into a secret code for safety
decrypt	to change a secret code back into clear words
compression	pressing something into a smaller space
toolbar	a row of buttons on a computer screen
sidebar	extra information shown at the side of a page
header	hitting a ball with your head, or text at the top of a page
footer	information shown at the bottom of a page
slider	thing that moves smoothly along a track
toggle	a small switch, or to change between two states
scroll	to move text up or down on a screen
swipe	to move your finger across a screen, or to hit
placeholder	something that fills a space until replaced
accessibility	how easy it is for everyone to use or reach something
wireframe	a simple drawing showing the basic shape of something
prototype	the first model of something before many are made
mockup	simple model of something not yet finished
automation	use of machines to do work without human help
pipeline	a series of automated steps that build and deliver software
staging	a test system that copies the live one before release
logging	the recording of events that happen in a computer system
debug	to find and fix problems in a machine or code
load balancing	sharing work equally between systems
latency	time between an action and its result
rollback	a return of a system to an earlier version after a problem
execute	to run a computer program
configure	to set up or arrange parts for use
optimize	to make something work as well as possible
migrate	to move data from one system to another

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IT & Development vocabulary — B2

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