COMPUTER HARDWARE COMPONENTS FUNCTIONS
EXTERNAL AND INTERNAL STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements about dual-rail power supplies is LEAST true?
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Dual-rail power supplies have electrically separate 12VDC connections.
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Dual-rail power supplies typically support more cumulative amperage than single-rail supplies.
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Dual-rail power supplies are less likely to be overdrawn by connected components.
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Dual-rail power supplies feature most of the same connections as a single-rail supply.
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Explanation:
Detailed explanation-1: -Power supplies, often referred to as “switching power supplies", use switcher technology to convert the AC input to lower DC voltages. The typical voltages supplied are: 3.3 volts.
Detailed explanation-2: -However, the main components of system are typically a charger / rectifier, batteries and distribution. The type of enclosure can also vary greatly based on application.
Detailed explanation-3: -A power supply is an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage. It is basically consisting of the following elements: transformer, rectifier, filter and regulator circuits.
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