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When an object absorbs visible red light wavelengths (within wavelength of about 700nm) it is observed be hue. This is explained by the fact that not when red light wavelength strikes the object, not all the light rays are absorbed, but some are reflected by the surface. This reduces the brain perception of the red light as refection is accompanied by wavelength transformation.
Light is described by its wavelength (a physiological property) which is the distance between two consecutive crests. However, not all the wavelengths are visible to our eyes. Human eyes are sensitive to a limited electromagnetic spectrum range with falls between 400 to 700 nm (nanometers) which accounts for only a mere slice within the massive electromagnetic spectrum range. Although the range of light spectrum visible to human eye are limited within 400-700nm, we use the invisible waves which are beyond our vision in a number of ways ranging from x-rays (of short-wavelength) to radio and television broad-wavelengths. Human eyes are made of light sensors which are very sensitive to visible electromagnetic spectrums. When the visible light wave strikes the light sensors in the eyes, the sensor communicate the signal to the brain, which perceives the received signals as being instinct color. The type of the color perceived by the brain depends on the constituents and composition of the wavelengths of the visible light spectrum (Billmeyer and Max Saltzman 12). For instance, when all the visible wavelengths are detected once by the sensor, white light are perceived by the brain or a black color would be perceived when the brain detects no wavelengths. The normal ability of an individual to visualize color or light wavelengths is defined as trichromacy.
Tungsten is an example of Illuminant-A falling in the class of incandescent lighting with a temperature of 2856° K.
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The doctors will be involved in providing prescription to patients after diagnosis. The prescription will also be billed by the doctor. The pharmacist dispenses the medication which makes him to be part of the system. The nurse can be involved in providing the check up services to the patients.
Today, healthcare providers work to transform the delivery of patient care through accelerating the processes of electronic care, quality measuring, interoperability for care, improvement, and reporting. This paper seeks to discuss a computer network within a hospital in relations to supporting EMR and its components.
The main task being undertaken by this system mainly entails the routine activities of the different sections and departments in the workplace. These activities involve business transactions and record monitoring. It can also include basic processing programs that are set-up to ease the tasks being undertaken ("Front-end," 2005; Goldfield, 1987).
Paperless workplace researchers have found that purely on-line workflow is a useful but insufficient pedagogic tool for business and the complex interpersonal, conceptual, and analytical skills that form the core of a paperless workplace (e.g., Bigelow, pp.
According to Wikipedia, a system is an assemblage of inter-related elements comprising a unified whole. From the Latin and Greek, the term "system" meant to combine, to set up, to place together. A sub-system is a system which is part of another system. A system typically consists of components (or elements) which are connected together in order to facilitate the flow of information, matter or energy.
se location is no longer a concern, with the added advantage of not having to demonstrate physical products and to keep large quantities of unsold stock. Consumers, on the other hand, are reluctant to change the way they shop for many reasons Fong (2000). To be successful in the
This means that there must always be an efficient way in which the multinational companies can have a way of enhancing the integration and harnessing of all their separate management divisions and roles. It is in this direction that technological solutions such
The central layer of the system consists of an operating system, which runs software that controls the operations of the hardware. The second layer contains the general applications that are used in a wide range of activities while the third layer contains
In order for work to flow properly and quickly, there is need for more staff, highly specialized technology and machinery as well as proper communication and coordination among the departments (Zeng & Zhao, 2005).
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