COMPUTER FUNDAMENTALS

Detailed explanation-1: -A Metropolitan Area Network is a class of network which serves a large geographical area between 5 to 50 kilometers in range. This geographical area can include several buildings, such as a college campus, sometimes referred to as a campus network, or an area as large as a city (metropolitan area).

Detailed explanation-2: -A personal area network (PAN) interconnects technology devices, typically within the range of a single user, which is approximately 10 meters or 33 feet.

Detailed explanation-3: -A personal digital assistant(PDA) is an example of real-time operating system. Metropolitan area networks cover an area the size of an average to large city.

Detailed explanation-4: -A wide-area network (WAN) is the technology that connects your offices, data centers, cloud applications, and cloud storage together. It is called a wide-area network because it spans beyond a single building or large campus to include multiple locations spread across a specific geographic area, or even the world.

Detailed explanation-5: -Mainframe: A powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously. Supercomputer: An extremely fast computer that can perform hundreds of millions of instructions per second.