____17. Which group in the Periodic Table contains elements that are all gases at STP? A) 11 C) 12 B) 17 D) 18 ____18. The properties of silicon are characteristics of A) a metal, only B) a nonmetal, only C) both a metal and a nonmetal D) neither a metal nor a nonmetal ____19. When a calcium atom loses its valence electrons, the
The Internet is not synonymous with World Wide Web. The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet.he Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet.
Computer Network Defined. A computer network is a set of connected computers. Computers on a network are called nodes. The connection between computers can be done via cabling, most commonly the Ethernet cable, or wirelessly through radio waves.esson Summary. A computer network is a set of computers, or nodes, that are connected by cables or connect wirelessly via radio waves. There are several techniques that may be used to establish the network. Due to the popularity of the Ethernet, the most common today is what is called a collapsed ring.