operation

How well a machine or system works

The things a device or program can do

The way something works or operates

The parts inside a machine or system that make it run

Working now and serving its purpose

A planned action by armed forces to achieve a goal

A secret police plan to trick people so they commit a crime and get arrested

A secret action by a government or army to avoid being noticed

Organized effort to save people who are trapped or in danger

Secret work by police or agents who hide their identity to gather evidence

A secret activity by a government to gather information about an enemy or threat

A military mission to stop fighting and make an area calm between groups or countries

Medical treatment with surgery and hormones that helps a person live as a different gender

A US-led military attack in 1991 that quickly forced Iraq's army out of Kuwait

A secret activity planned and done to stay hidden, often by spies or soldiers

A medical treatment where a doctor makes a cut to fix, remove, or replace a part of the body

A military action that tries to change what people think or feel

A secret action that hides who did it, often for political or military reasons

A military action that lands soldiers from ships onto a shore

A surgery on the eye to fix vision or treat eye problems

A calculation that uses numbers with decimals often done by a computer

Two or more actions that happen at the same time

A calculation with numbers like adding, subtracting, multiplying or dividing

A calculation in math like adding, subtracting, multiplying or dividing numbers

A business or group that is small and badly run

A carefully planned military action to reach long-term goals

An operation with two inputs that gives a true or false result

A rule that combines two values into one result, like addition or AND

A rule that uses true and false inputs to give a true or false result like AND, OR, NOT

A police action in which officers pretend to buy illegal drugs to arrest sellers

A mental process that changes information, like thinking or remembering

A basic action a computer does, like adding or comparing numbers

A military action done together by two or more allied countries using land, sea, and air forces

An action that starts, changes, or stops a device working with data

A series of tasks done one after another without overlap

A way of combining two things to give one result

An action that runs without waiting for other tasks so the program keeps working

A task performed by equipment outside the main computer, for example a printer or external drive

A secret action to take someone to safety from a dangerous area

A secret action to send data out of a computer or network to steal it

An action that runs for a set number of regular time steps in machines or computers

An action that follows fixed rules to give true or false results

A rule that combines true and false values like AND or OR

A basic task a computer or machine does as part of its program

A rule that gives 1 when more than half the inputs are 1 and 0 otherwise

An attack where someone blows themselves up to kill or hurt others for a cause

A calculation that uses matrices like adding or multiplying them

A large American attack in World War I that helped push back German soldiers

A math or programming action that takes only one input, like negation

A way of doing two or more tasks at the same time by sharing resources

An action a computer does to make paper copies of a document

An operation that sews the lower part of the womb closed during pregnancy to prevent early birth

Handling data fast enough to keep up with things as they happen

Organized effort to recover data and restart computer systems after a computer attack or failure

Actions that police or soldiers take to stop and control a violent crowd during a riot

An attack in which a person kills or injures others and also dies, usually using a bomb

An action done by equipment not connected to or controlled by the main computer

A part of a computer instruction that tells the computer what to do

An activity by military or intelligence groups done openly, not secretly

Doing more than one task at the same time on computers or machines

Actions that follow one another in a fixed order

Tasks happen one after another, each starting after the last finishes

An operation that follows a regular clock so events happen at expected times

A process that checks values against a set level and marks which values meet it

A small badly run business or group that seems unimportant

A surgical operation that puts a stitch around the cervix to stop it opening too early in pregnancy

A training activity where soldiers rehearse battle actions in realistic conditions without real fighting

Two or more things working at the same time

A planned military action with clear goals that is often secret

A math or computer action that uses one value