MOTHERBOARD [pic] A motherboard is the central printed circuit board (PCB) in computers that holds many of the crucial components of the system‚while providing connectors for other peripherals. The motherboard is sometimes alternatively known as the mainboard‚ system board‚ or‚ on Apple computers‚ the logic board. History of Motherboards [pic] Before generation of Microprocessors i.e. in 1st‚ 2nd and 3rd generation computers‚ the computer was usually
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The Components of System Unit System Unit – a case that contains electronic components of the computer used to process data. Motherboard – the main circuit board of the system unit. Computer Chip – a small piece of semiconducting material usually silicon‚ on which integrated circuits are etched. Processor – interprets and carries out the basic instructions that operate a computer. Multi-care processor – a single chip with two or more separate processor cores. Control Unit – the component of
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Leprosy‚ caused by the bacterium Mycobacterium leprae is a leading cause of peripheral neuropathy worldwide; although it is treatable‚ the damage caused by the disease is irreversible. In Sannu’s case‚ why is there both sensory loss and muscle weakness? Answer: because Sannu’s is also malnutrition and he has not received proper treatment for his disease. B. Leprosy can affect the skin and Schwann cells of peripheral nerves. Which events of sensation processing are most likely not functioning properly
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palsy. The nervous system is a delicate body system made up of many parts and has many functions. The nervous system has three main functions- sensory‚ integration‚ as well as motor. There are two components or the nervous system (the central and peripheral nervous system) as well as two subdivisions (the autonomic or involuntary and the somatic or voluntary nervous system) that are complex and each have a specific job that they do within this body system. Cerebral palsy is typically caused by damage
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of time the peripheral venous catheters were left in place and the bore size they chose to use when initiating access (Hasselberg et al.‚ 2010). The study also showed that locating the catheter in the hand or forearm resulted in fewer complications. Furthermore‚ they stressed the importance of proper documentation of date‚ time‚ size and location as well as who started the access (Hasselberg et al.‚
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terminate in the nucleus tractus solitarius. Blood pressure increase detected by Baroreceptors nucleus tractus solitarius in brainstem depressor response reduced vasoconstriction lowering of peripheral resistance fall in blood pressure Changing of peripheral vascular resistance The changing of peripheral resistance involves vasodilation/vasoconstriction. Vasodilation is an increase in the diameter of a blood vessel‚ whilst vasoconstriction is the decrease of the diameter. Vasodilation is a passive
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arterioles‚ it is about 120 mmHg systolic and 80 mmHg diastolic. Arterial blood pressure (ABP) = cardiac output (CO) X total peripheral resistance Hypertension : sustained elevation of the systemic ABP > 139 mmHg systolic & > 89 mmHg diastolic. Therefore : so long as CO is constant is relatively constant ; a change in the ABP is mainly due to a change in the peripheral resistance. Grades of hypertension |Category
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relate each to a functional role. 5. Differentiate between a nerve and a tract‚ and between a nucleus and a ganglion. 6. Explain the importance of the myelin sheath and describe how it is formed in the central and peripheral nervous systems. 7. Classify neurons structurally and functionally. Membrane Potentials 8. Define resting membrane potential and describe its electrochemical basis. 9. Compare and contrast
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your company operates. Hint: Industries are broad categories such as Financial‚ Technology‚ Services‚ or Health Care. Sectors are more specific categories within an industry‚ such as ‘Sporting Goods Store in the Services Industry’ or ‘Computer Peripherals in the Technology Industry.’ In your description of the industry and sector‚ discuss economic trends as well as the current outlook for the industry‚ including growth potential. Opportunities and Threats Describe the opportunities and threats
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When a football player sprints on the field during a game‚ he must have the mineral and calcium to supply the bone for strength. The nervous system will come into play‚ to send the signal from the brain‚ and the spinal cord via the peripheral somatic nerves. The peripheral autonomic nerves are controlled by
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