IGCSE Information & Communication Technology Paper-1: Specimen Questions with Answers 42 - 42 of 45

Question number: 42

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Appeared in Year: 2009

Assertion-Reason▾

Question

Assertion (Ꭺ)

The prolonged use of computers can lead to health and safety problems.

Reason (Ꭱ)

RSI and headaches are health problems that may be caused by prolonged use of computers.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

Answer

c.

Explanation

The prolonged use of computers can cause many health problems. Some of them are:

Musculoskeletal Problems

This includes areas of body such as your back, neck, chest, arms, shoulders and feet. Having sore muscles and complaints of the muscles being tired are common. Numbness may occur in the arms and hands. These troubles may occur because of the posture user assume when using the computer is most likely incorrect.

Vision Problems

Computers are notorious for their bright lights, glare and flickering images that can cause strain on your eyes. Constantly focusing on the screen with delays in blinking can result in drying out of eyes.

Repetitive Stress Injuries (RSI)

User may notice pain in neck, shoulders, or really anywhere from the shoulders to fingers related to repetitive muscle use. Using the computer may cause user to use muscles in an odd way that may cause increased stiffness, pain, or swelling in any of those areas. One of the most common conditions related to repetitive use of your muscles when using the computer is carpal tunnel syndrome.

Headaches

Headaches are common and may occur because of the increased muscle tension or from pain in the neck. Any vision problems, or continued strain on the eyes can also cause headaches.

Obesity

Prolonged use of computers may lead to an overall sedentary lifestyle that lacks adequate physical activity and/or exercise. In children prolonged use of computer’s or electronics in general, is a major contributing factor to obesity.

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