Topic 1-health And Safety Flashcards

0
Q

Back ache:

  • What it is caused by
  • how to prevent it
A
  • sitting with incorrect posture and slouching
  • use an adjustable chair(legal requirement)
  • check the adjustment of chair to use if it is suitable for your height
  • use foot support called a footrest
  • sit up straight &feet flat on the floor
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1
Q

Health problems when working with ict systems

A
  • Back ache
  • repetitive strain injury (rsi)
  • Eye strain
  • stress
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2
Q

Repetitive strain injury(RSI)/ULD (upper limb disorder)

  • What does it cause
  • how to prevent it
A
  • aches, pains in hands, wrists, arms and neck
  • can be eventually disabling
  • use an ergonomic keyboard/mouse
  • use a wrist rest
  • keep wrists straight when keying
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3
Q

Eye strain:

  • What it causes
  • whats it caused by
  • how to prevent it
A
  • causes blurred vision and headaches
  • caused by using the screen for long periods, glare on the screen and working without the best lighting conditions
  • keep the screen clean so it is easy to make out characters on screen
  • have frequent eye tests
  • take breaks and ensure your not sitting too near
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4
Q

Stress:

  • What it is caused by
  • how it is prevented
A
  • the pace of work (e.g too much to do to little time)
  • worry about using new technology (old people cannot cope)
  • software that is hard to use because it has not been designed properly
  • losing work, problems with viruses

-people who produce ICT systems for others have a responsibility to make them simple to use

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5
Q

What is the health and safety at work act 1974?

A

Employers have a duty to minimise risks to employees in the workplace:
-they need to have a safe place to work and safe system of work

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6
Q

What is the health and safety regulations 1992

A

The regulations made it law for employers to take certain measures to protect the health and safety of their employees who use ICT equipment

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7
Q

Health and safety regulations 1992:

Computer screens should…

A
  • be an appropriate height for the user
  • display a stable image with no flickering
  • have brightness and contrast control
  • be free from reflections
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8
Q

Health and safety regulations 1992:

-there should be training of employees so that they…

A
  • know how to make adjustments to the screen e.g alter brightness/contrast
  • understand the need for taking regular breaks
  • adjust the size of text and other screen elements so that they can be ready easily
  • understand the need of clean screen
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9
Q

Health and safety regulations 1992:

Chairs should be…

A
  • adjustable in height so that the feet can be flat on the floor& footrest should be provided
  • have seat backs which provide proper back support
  • ensure that it is easy for chair to be moved closer and further away from the desk
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10
Q

Health and safety regulations 1992:

Desks or work stations should…

A
  • big enough for computer equipment and paperwork

- have a Matt surface to reduce glare

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11
Q

2 type of keyboards

A
  • QUWERTY keyboard

- ergonomic keyboard- separates keys completely

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12
Q

How do software designers make software less stressful to use

A
  • bug free and doesn’t cause the computer to freeze or crash
  • font&font sizes chosen carefully to make it easier to read
  • help screens tell the user what to do in a way they understand
  • shortcuts should be used to minimise mouse click
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13
Q

Other things that can be done to make the use of software less stressful:

A
  • having a help desk to help user with problem
  • training users fully in all the ict systems they use
  • a procedure of logging problems as they arise so that they can be corrected
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14
Q

What should be considered when designing a software?

A
  • ensure that the order of material on each screen is logical and that the important items go first
  • ensure that all software is tested so that it doesn’t crash
  • software should be tested by users so that any frustrating user-identified problems can be eliminated
  • minimise mouse movements>reduce risk of RSI
  • put items e.g buttons&menus where users would expect them
  • help screens should be written simply. This should be tested by novice users
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15
Q

What is a usability engineer

A

Their job is to eliminate problems in software that makes users stressed