Critical assessment of a process or activity or of their results.
The part of an output signal that is looped back into the input to control or modify a system.
The high-pitched howling noise heard when there is a loop between a microphone and a speaker.
To generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.
To provide informational feedback to.
To convey by means of specialized communications channel.
A subject or topic for consideration or investigation.
A sentence, phrase or word which asks for information, reply or response; an interrogative.
A proposal to a meeting as a topic for deliberation.
A doubt or challenge about the truth, accuracy, or validity of a matter.
To ask a question or questions; inquire or seek to know; examine.
To ask questions of; to interrogate; to ask for information.
To raise doubts about; have doubts about.