FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

COMPUTER OUTPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is NOT energy efficient?
A
CRT Monitor
B
TFT Monitor
C
LED Monitor
D
IPS Monitor
Explanation: 

Detailed explanation-1: -CRT displays are somewhat power-hungry, at about 100 watts for a typical 19-inch display. The average is about 45 watts for a 19-inch LCD display. LCDs also produce less heat. Smaller and weigh less-An LCD monitor is significantly thinner and lighter than a CRT monitor, typically weighing less than half as much.

Detailed explanation-2: -LCDs are more energy efficient than CRTs. Both types of displays will inevitably consume energy, but the former type will consume less energy than the latter type. Research, in fact, shows that LCDs are up to 30% more energy efficient than CRTs.

Detailed explanation-3: -Detailed Solution. Liquid Crystal Display (LCD) requires very less power of the order of micro-watt and it is in the order of 20 W.

Detailed explanation-4: -CRT and plasma TVs use around three times more electricity than their LCD and LED counterparts. If you have a TV set using the older technologies, switching to an LCD or LED set can help lower your electricity bill.

There is 1 question to complete.