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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Of the following voltage pairings, which one accurately represents the input and output, respectively, of power supplies and AC adapters?
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AC in, AC out
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DC in, DC out
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AC in, DC out
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DC in, AC out
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Explanation:
Detailed explanation-1: -A PC’s power supply produces +3.3VDC, +5VDC, –5VDC, +12VDC, and –12VDC from a 110VAC input.
Detailed explanation-2: -Hard drives and optical drives commonly use +5 and +12 volts.
Detailed explanation-3: -Although many storage administrators are now choosing disk as the media of choice for backups, tape storage media remains the most widely used archive media mostly because of its cost-to-capacity ratio, but also due to a very broad and well-established implementation base.
Detailed explanation-4: -A standard Blu-ray disc can hold about 25 GB of data, a DVD about 4.7 GB, and a CD about 700 MB.
There is 1 question to complete.