Explanation Computer: It is a device that transforms data into meaningful information. Computer can accepts data, stores data, and process data, gives results in form of output, and controls all operations inside a computer. The following are the main components of a computer. Motherboard: Motherboard is the main part of computer that connects several computer components to the CPU (Central Processing Unit), so that it can deliver the user desired request and to provide results. Power supply unit (PSU): Power supply unit is the component that delivers power to computer by converting AC current to DC current. It regulates the voltage, so that computer can get the desired voltage level and removes the surges and spikes. The standard power supply converts 110 V or 120 V AC (alternating current) to the suitable DC (direct current) voltages that flows through the computer components. CPU (Central Processing Unit): CPU is the brain of computer, which can carry the software instructions. It performs the operating system (OS), applications that receive input constantly from user or from any software programs. CPU will process data and produce output that is showed on the monitor, or stored by some applications. The chip inside the CPU contains minimum one processor that does the calculations. RAM (Random Access Memory) and ROM (Read Only Memory): RAM is a primary storage device of a computer It can temporarily store the information and software instructions due to volatile nature. On comparing with other storage devices such as hard disk drive (HDD), optical drive or solid state drive, RAM performs much faster to read from and write to. ROM holds the boot up program that holds the operation and it is nonvolatile. Once a data written onto a ROM, data could not erased and read only. It retains the contents stored in the computer, even when the power is switched off. USB (Universal Serial Bus) port: USB is the secondary storage device, to store data excluding ROM and RAM. It is an external bus that transfers data at a rate of 12 Mbps. In a single USB port, up to 127 peripheral devices like modems, keyboards, and mouse can be plugged. It can also be used to transfer power to devices such as tablets and smartphones. Monitor: Monitor is an electric visual display for computers which allows the user to see what the software offers. Monitor uses video display unit (VDU) and video display terminal (VDT) that displays output in form of text and images...

6th Edition

ISBN: 9780357126592

Author: MOAVENI

Publisher: CENGAGE CO

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Explain the major components of a computer and its function.

Solution Summary: The author explains the main components of a computer and its function. Motherboard connects several computer components to the CPU (Central Processing Unit).

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