Question

Define the monitor briefly?​

Answer 1

Answer:

$A monitor is an electronic visual computer display that includes a screen, circuitry and the case in which that circuitry is enclosed. Older computer monitors made use of cathode ray tubes (CRT), which made them large, heavy and inefficient. ... Amonitor is also known as a screen or a visual display unit (VDU).$

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Answer 2

Answer:

monitor is also known as the VDU

that means

Visual display Unit