IGCSE Information & Communication Technology Paper-1: Specimen Questions with Answers 7 - 7 of 46

Question number: 7

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Appeared in Year: 2009

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Question

From the following statements identify the advantages of CRT monitor

Choices

Choice (4)

a.

Color is more accurate.

b.

Extremely reliable.

c.

Maintenance is easy.

d.

Both c. and a. are correct

Answer

d.

Explanation

The statement Color is more accurate. and Maintenance is easy. states the advantages of CRT monitor.

CRT stands for “Cathode Ray Tube. ” CRT is the technology used in traditional computer monitors and televisions. The image on a CRT display is created by firing electrons from the back of the tube to phosphors located towards the front of the display. Once the electrons hit the phosphors, they light up and are projected on the screen. The color on the screen is produced by a blend of red, blue, and green light, often referred to as RGB.

Advantages

  • Color is more accurate and vivid color CRT. Monitor accurate or nearly identical to the original. Because of these reasons was the designers and photo editors prefer to use CRT than LCD. In addition, the gradation of color CRT monitors still better than the LCD.

  • Free of dead pixels, CRT monitors are not made up of pixels such as LCD, so it obviously will not have a dead pixel.

  • Flexible monitor resolution. CRT monitors can use different variations of the resolution without decreasing image quality.

  • Prices are cheaper. The advantages in terms of price that makes the CRT monitor is still popular.

  • Free of ghosting and viewing angle. CRT monitors can dilate from all sides, unlike LCD viewing angle depending on the specifications. CRT monitors do not know the response time, so it is relatively free of ghosting effects.

  • Maintenance is easy, if damaged can be serviced. In addition, CRT monitors are more resistant if bumped or touched a finger on the display

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