The answer is all of the above
Answer:
The five eras are general- purpose mainframe and minicomputer computing, personal computers, client/server networks, ...
It sounds like you are looking for a network. If a node can not find a network to connect to, then it cannot connect.
Computer works on the Basis of multitasking.
The correct answer of the given question above would be option D. A wet-carpet cleaner that carries it's own water supply has water pressure created by a MOTOR-DRIVE PUMP. T<span>his product is easy to use, strong, and highly durable. Hope this answers your question. Have a great day!</span>