تحقیق در مورد سلامتی به زبان انگلیسی

اختصاصی از فی دوو تحقیق در مورد سلامتی به زبان انگلیسی دانلود با لینک مستقیم و پر سرعت .

تحقیق در مورد سلامتی به زبان انگلیسی

فایل:ورد

قابلیت ویرایش:دارد

آماده جهت پرینت

Health is the level of functional or metabolic efficiency of a living organism. In humans it is the ability of individuals or communities to adapt and self-manage when facing physical, mental or social challenges. The World Health Organization (WHO) defined health in its broader sense in its 1948 constitution as "a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity." This definition has been subject to controversy, in particular as lacking operational value and because of the problem created by use of the word "complete". Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction. Classification systems such as the WHO Family of International Classifications, including the International Classification of Functioning, Disability and Health (ICF) and the International Classification of Diseases (ICD), are commonly used to define and measure the components of health.....

مقاله به زبان انگلیسی در خصوص انواع شبکه های کامپیوتری

اختصاصی از فی دوو مقاله به زبان انگلیسی در خصوص انواع شبکه های کامپیوتری دانلود با لینک مستقیم و پر سرعت .

دانلود مقاله به زبان انگلیسی در خصوص انواع شبکه های کامپیوتری با فرمت ورد و قابل ویرایش در 35 صفحه

 درس زبان انگلیسی عمومی کامپیوتر پودمان کاربری کامپیوتر

Computer Network Types  Generally, networks are distinguished based on their geographical span. A network can be as small as distance between your mobile phone and its Bluetooth headphone and as large as the internet itself, covering the whole geographical world, Personal Area Network A Personal Area Network (PAN) is smallest network which is very personal to a user. This may include Bluetooth enabled devices or infra-red enabled devices. PAN has connectivity range up to 10 meters. PAN may include wireless computer keyboard and mouse, Bluetooth enabled headphones, wireless printers and TV remotes.   For example, Piconet is Bluetooth-enabled Personal Area Network which may contain up to 8 devices connected together in a master-slave fashion. Local Area Network A computer network spanned inside a building and operated under single administrative system is generally termed as Local Area Network (LAN). Usually,LAN covers an organization’ offices, schools, colleges or universities. Number of systems connected in LAN may vary from as least as two to as much as 16 million. LAN provides a useful way of sharing the resources between end users.The resources such as printers, file servers, scanners, and internet are easily sharable among computers.   LANs are composed of inexpensive networking and routing equipment. It may contains local servers serving file storage and other locally shared applications. It mostly operates on private IP addresses and does not involve heavy routing. LAN works under its own local domain and controlled centrally. LAN uses either Ethernet or Token-ring technology. Ethernet is most widely employed LAN technology and uses Star topology, while Token-ring is rarely seen.