According to metcalfe's law, if a second computer is joined to a first, the value of the network created is how many times greater than the value of the original computer?

Social networking sites d. online forumsthe first recognizable social media site,  six  degrees, was created in 1997. it enabled users to upload a profile and make friends with other users. in 1999, the first blogging sites became popular, creating a social media sensation that's still popular today.

The five major components is processor main memory second memory and input devices and output devices

The correct answer to go in the blank would be a) complement.

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