BASIC COMPUTER CONCEPTS
COMPUTER SYSTEM TYPES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Desktop
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Laptop
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Smartphone
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None of the above
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Detailed explanation-1: -Dubbed Wireless Identification and Sensing Platform (WISP), the device is a combination sensor and computing chip that uses a standard off-the-shelf RFID (Radio Frequency Identification) reader to suck in radio waves and convert them into electricity.
Detailed explanation-2: -Desktop PCs use a battery to keep time when the they are off, much like a watch. Like a watch, the battery needs to be replaced when it runs low on power.
Detailed explanation-3: -The CMOS (complementary metal oxide semiconductor) battery in the computer is used to store the hardware configuration settings. It also keeps a record of the date and time when the computer is switched off. The CMOS battery is inside the computer and attached to the system board (motherboard).
Detailed explanation-4: -The desktop computer power supply converts the alternating current (AC) from a wall socket of mains electricity to a low-voltage direct current (DC) to operate the motherboard, processor and peripheral devices.