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Can input out put devices stand alone without being connected to a computer?
No. What purpose does a mouse serve with nothing to process its clicks? What good does a monitor do with no computer to send it information? Input and output devices are peripheral devices and need to be connected to the processor to serve a purpose.
What purpose might the multimeter serve in maintaining and troobleshooting a computer network?
With the multimeter you can measure the voltage on parts of the circuit board. You can also measure the resistance of resistors and make sure there are no short circuits in the circuit.
What is COM1 used for?
COM1 is seldom used for anything these days, and may not even be mapped to a physical device on newer systems. Its primary purpose is/was to serve as a communications port, either to an internal or external modem, or as a connection into a mainframe computer. It has also seen some use as a general purpose expansion port and been used to attach mice, printers, and cameras to a computer.
What purpose does the Antarctic-Environmental Protocol serve?
It keeps the continent clean and unspoiledand it prohibits the drilling or mining of any minerals
What makes URL invalid?
Considering that the purpose of a URL is to serve as an "address" for a resource, a URL is invalid when it does not identify an existing resource.
