Communications Devices

By: Jesse Miller

A communication of ice is a hardware opponent that enables a computer to send or transmit and receive data, instructions, and information to and from one or more computers. A widely used in cases of ice is the telephone or cable modem. Three cases occur over transmission media such as telephone lines, cables, cellular radios, networks, and satellites.

Some transmission media, such as satellites and cellular radio networks, are wireless, which means they are or they have no physical lines or wires. People around the world use computers and can communications devices to communicate with each other using one or more transmission media.

Computer software:

computer software is the key to productive use of computers. With the correct software, a computer can become a valuable tool. Software can be categorized into two types: system software and application software.

System software:

system software consists of programs to control the operations of computer equipment. An important part of system software is a set of programs called the operating system. Instructions in the operating system tell the computer how to perform the functions of loading, storing, and executing an application program and how to transfer data to each other. For example, a computer to a operate or for operating systems to work they must be stored in the computer's memory.

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When a computer is turned on, the operating system is uploaded or loaded into the computer's memory from axillary storage. This process called booting up, or just booting. In today's society. Most computers used in operating system that has a graphical user interface or short GUI such as processing, or a file or document were data store. Also, Microsoft Windows XP is widely used and has a wonderful graphical operating system. Apple Macintosh computers also have a graphical user interface, which is an operating system as well.

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