NOS stands for Network operating system. The NOS system is used to manage the network and to provide security for it. It supports the <span>workstations, database sharing, application sharing and file sharing.</span>
<span>These statements describe the NOS.(choose all that applies)
D. gives users access privileges
E. provides an administrator interface</span>
<span>Units ..................................................</span>
Ergonomic injuries are caused by ergonomic risk factors like
awkward or sustained postures, strain, contact pressure, exposure to vibration
and exposure to heat or cold. Over time, a combination of these factors may
lead to injury, pain, and disability. Ergonomic injuries which can directly or
indirectly be related to work environment can affect the nerves, tissues,
muscles, tendons, and joints. For instance, on average, an employee may spend
about 6-8 hours on the computer.
<span>The
symptoms that computer users may exhibit when they experience these musculoskeletal
disorders include pain in the shoulders, upper or lower back and the
neck. Others include discomfort when making certain movements, loss of
coordination, general feeling of cramping, weakness of muscle function, and a
sharp burning stabbing pain in the
wrists.</span>
