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Is telecommunications a good industry?

on November 28 at 04:10 PM
Telecom is considered to be a good career path as the industry continues to evolve and grow with the boom of new technology. Wireless equipment provides more reliable services, and businesses are competing to offer the fastest internet and best deals. The entertainment side of the industry will always be popular, but the development of new technology is growing rapidly. If you have excellent problem-solving skills and enjoy working on a team, you’re likely to be successful in this field. While there’s still an abundance of jobs for installing lines and other hardware, eventually these may see a decline as we continue to rely more on wireless equipment.

Telecommunications services include standard and mobile phones, internet access, radio, and television. These communication access services are provided by specialized companies that can deliver these services to large geographic areas. Prices vary between companies, and package deals are offered to customers so that they can purchase multiple services at a discount. The industry has evolved with popular technology, such as the expanding installation of fiber optics. Wireless services are expected to continue to take over the industry as well, due to lower service costs.
 
The electronic transmission of information over distances, called telecommunications, has become virtually inseparable from computers: Computers and telecommunications create value together.

Components of a Telecommunications Network

Telecommunications are the means of electronic transmission of information over distances. The information may be in the form of voice telephone calls, data, text, images, or video. Today, telecommunications are used to organize more or less remote computer systems into telecommunications networks. These networks themselves are run by computers.

A telecommunications network is an arrangement of computing and telecommunications resources for communication of information between distant locations.

A telecommunications network includes the following components:

1. Terminals for accessing the network

2. Computers that process information and are interconnected by the network

3. Telecommunications links that form a channel through which information is transmitted from a sending device to a receiving device.

4. Telecommunications equipment that facilitates the transmission of information.

5. Telecommunications software that controls message transmission over the network.

Scope of Telecommunications Networks

Two principal types of telecommunications networks can be distinguished from the point of view of their geographical scope. They are:

1. Local area networks

2. Wide area networks

Local area network (LAN): is a privately owned network that interconnects processors, usually microcomputers, within a building or on a campus site that includes several buildings.

Characteristics of a LAN: [Figure 7.3][Slide 7-5]

a. LANs are the principal tool of workgroup computing

b. LANs ensure high-speed communication within a limited area and enables the users to share facilities (peripherals) connected to it.

c. Usually include a large-capacity, secondary storage device, where database and applications software are maintained, managed by a microcomputer acting as a file server that delivers data or program files to other computers.

d. Facilities (peripherals) may include jukebox optical memory and fast printers

e. Frequently, one of the facilities (peripherals) in a LAN is the gateway hardware and software that give the network users access to other networks.

f. More group members may connect to the network from remote sites using wireless telecommunications.

g. Links and equipment of LANs are owned by the user company, and these networks are generally much faster than WANs.

h. LANs are generally composed of a network of microcomputers

Wide area network (WAN): is a telecommunications network that covers a large geographical area.

Characteristics of a WAN: [Figure 7.4][Slide 7-6]

a. The information system of an entire organization may be structured as a hierarchy. The WANs system architecture looks very much like an organization chart.

b. WANs connect all the divisional minicomputers to the headquarters mainframe with a variety of local microcomputers and terminals located at remote sites connected, in turn, to the minicomputers.

c. WANs provide the backbone through which all other nodes (computers and terminals) communicate.

d. WANs often use telecommunication links and equipment provided by specialized vendors, called common carriers.

e. WANs serve to interconnect multiple LANs and can make specific resources available to a large number of workstations.

Metropolitan Area Networks (MAN) - are telecommunications networks that interconnect various local area networks within a metropolitan area, that is, within approximately a 50-mile range.

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