Question

do as following-----------​

Answer 1

Answer:

1-d

2-a

3-c

4-b

hopes it helps you

Answer 2

Liquid Crystal Display (LCD) monitors feature a layer of liquid held between two pieces of polarized glass. ... LCD monitors are usually backlit by fluorescent lamps. Light Emitting Diode (LED) monitors also feature a liquid crystal display, but the backlighting is produced by LEDs, not fluorescent lamps.