Monitor

Monitor may refer to:

Computers

Computer monitor, a screen that displays output from a computer.
Monitor (synchronization), an approach to synchronize two or more computer tasks that use a shared resource
Machine code monitor, programming allowing users to view or change memory locations on a computer
Virtual Machine Monitor, software which virtualizes a computer hardware platform, allowing multiple system images to run simultaneously.
a computer display
a small interactive bootstrap program or machine code debugger
a mechanism used to synchronize concurrent processes
an early synonym for an operating system
an execution profiler

Heart monitor, an electronic device that measures the heart rate
Oxygen monitor, an electronic device that measures the amount of oxygen in the blood
Medical monitor, automated medical device that senses and displays a patient's vital signs

Studio monitors, loudspeakers designed specifically for audio production and engineering
Stage monitors or foldback (sound engineering), loudspeakers for performers on stage
In-ear monitors, earpieces for performers on stage or in a studio

Monitor Group, a management consulting firm
Monitor (warship), a heavily armed warship design preceding the battleship
USS Monitor, a monitor of the United States Navy
Monitor (architecture), a subsidiary roof structure
Water jet used in hydraulic mining
Fire monitor, a water jet used for firefighting
Monitor (NHS), a United Kingdom government agency also known as the Independent Regulator for NHS Foundation Trusts
Monitor lizard, any lizard of the family Varanidae
Hall monitor, a student who supervises the corridors of a school