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Telecommunications

Telecommunications refer to the transmission of information over distances for the purpose of communication. In the modern age of electronics and electricity, telecommunication includes the use of electrical devices, radio and microwave communications, fiber optics, orbiting satellites and the Internet.

2,044 Questions

Disadvantages of informal communication?

Informal trading bypasses the bid process which often results in the best prices and terms. Formal trading paractices are required by most companies as they insure an ethical situation and the best deal.

What is fading in telecommunications?

In wireless communications, fading is deviation or the attenuation that a carrier-modulated telecommunication signal experiences over certain propagation media.

Influence of telephone?

It had a large impact, it made business more efficient and it saved money from having to travel back and forth from distant places, and it made transactions able to occur more quickly.

It led to instant communications around the world and even led to the Internet.

it lets you communicate to other people

If you didn't have the telephone then how would you contact people? You wouldn't. if you wanted to talk to people you would have to go to their house, or meet them somewhere. That would be hard. The world's communication has been upgraded greatly by Alexander Graham Bell, the inventor of the telephone.

It was much easier to communicate with people

Before the invention of telephones mail was a large part of cultural. This was mainly because it was the only way of communication.

Telephones are a huge part of today's culture. As telephones became more and more advanced they also became more and more popular. Nowadays it is the most common way of communication. .

Our modern day telephone system has made our communication system more unified and almost in real time. Telephone has bridged the gap of long distance communication.

Can you use an ATT sim card with a non ATT phone?

i believe so, if the phone (unlocked) would be operable if, the GSM version aligns with the providers GSM offering. in other words if an AT and T go phone sim card originally worked through a AT and T phone, and operated on the GSM 1900 bandwidth, then the unlocked phone would have to be capable of working on the GSM 1900 bandwidth. The phone and sim card originally come programmed to operate on a predetermined GSM code and these numbers need to match for swapping to work.

Software development life cycle with example?

Software development life cycle is about producing high-quality software promptly.

And your team needs to follow the software development life cycle steps to achieve that.

It’s also essential that your team adheres to the proper SDLC model.

This guide will be like the ultimate tutorial to SDLC.

We’ll start by “What’s the definition of SDLC” and then transition to the different phases of the software development life cycle and its models.

NOTE: You can check the infographic below if you are short on time. It’ll brief you on the different software development life cycle methodologies.

Some of example are

The V Model

The Iterative Model

The Spiral Model

The Agile Model

The Scrum Methodology

The XP Methodology

The Rad Model

The Software Prototype Model

The Big Bang Model

By Jatin

What do telecommunications workers do?

A telecommunication mechanician is a trade in the telecoms industry. The term "mechnician" is used for historical reasons and relates back to the days of mechanical exchanges, where the term "mechanician" was more appropriate than "technician".

The telecommunication mechanician trade relates to many aspects of the telecoms industry including the installation, commissioning and maintaining of telecoms equipment like PABX, Exchanges, transmission equipment, telephony devices etc.

Who bought out ATT?

At one point, Cingular bought out AT&T Wireless. Then it became AT&T again since it was the stronger name.

A DSL Internet connection is faster than a satellite Internet connection?

It all really depends on which phone company you have that is offering you the DSL. To my knowledge, the fastest satellite Internet connection is 12mBit/s, which is approximately 1 - 1.5 mByte/s. DSL is usually anywhere from 1.5mBit/s to 10mBit/sec. As said before, it is suggested that you check out the website of your local phone company to determine what packages they offer.

What would happen to the world if Morse code wasn't invented?

Who knows? Ships everywhere would be doomed! Morse code required a human ear to interpret the received code since a lot of analysis was needed by he human brain in order to decipher the code.

Machines reading Morse code struggled until advanced electronics could cope with the varying length of each character. The telegraphic 5 unit Baudot code used in telegrams and telexes standardised the code so that every letter and number consisted of an equal length.This simplified the decoding to a point where relays and mechanisms could decode and print the received signal.

To answer your question ? They would have come up with something better. It triumphed because it was first on the scene.

Who developed a code that would communicate messages using a telegraph?

Samuel Morse invented the telegraph and the code that the telegraph used (Morse code).

In which year was telephone discovered?

Alexander Graham Bell invented the telephone in 1876, though he died in 1922. Everyone loved him and we're still using his invention today!

What are the major differences between cable modems and DSL modems?

Cable modem connects through fibre optic DLS through phone line. Cable boasts faster speed than DSL Internet in theory. However, cable does not always deliver on the promise in everyday practical use. Cable modem services can slow down significantly if many people in your neighborhood access the Internet simultaenously. Both cable modem and DSL performance vary from one minute to the next depending on the pattern of use and traffic congestion on the Internet. DSL and cable Internet providers often implement so-called "speed caps" that limit the bandwidth of their services. Some home networks cannot match the speed of the Internet connection, lowering your performance

Do you have a telephone?

yes,

every family should have one or somesort of machine to communicate each other with.

Answer

Telephone is the life blood of a business. The right kind of the phone system such as the Virtual PBX system have the ability to unify home and office communication devices . So, the functions and features of telephone is very necessary to run the daily business activities.

Where in North America is area code 205?

North American area code +1 256 is in northern Alabama, including Huntsville, Decatur, and other towns.

International country code +256 is Uganda.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, and many other countries use different prefixes.)

Telephone system developments?

Key system is the basic and traditional phone system we have. Calls are routed through PSTN to establish calls. The newest development which are the PBX and VOIP PBX uses the hi speed broadband

Internet connection to carry over voice or analog signals. It uses gateways to convert analog signal into digital signal.

What is SDU and PDU?

The terms SDU as well as MDU are used in the context of Broadband connections, and more specifically in the context of Fiber Optics networks.

SDU stands for Single Dwelling Unit, and MDU stands for Multi Dwelling Unit.

When analysing or designing Fiber Optics networks of a technology FTTx (Fiber-To-The-x, e.g. FTTH: Fiber-To-The-Home, FTTB: Fiber-To-The-Building etc.) one needs to know where the fiber optic cable ends: at the basement of a building or inside a house or appartment. The cabling and equipment requirements to connect a single home (SDU) are different than those used to connect all the appartments in a multi-level building (MDU). Hence the need for distinction between the dwelling types of the end users of fiber optic connections.

PDU stands for Power Distribution Unit. This is used inside data centers.

Why is Morse code used?

-------------------------Advantages-----------------------------------------------------Disadvantages-------------

  • Useful if radio or other technical communicants are compromised.
  • No expensive equipment, just flags and a pair of binoculars
  • Only trained individuals can understand the message making secure.
  • It is cheap to set up the equipment needed to work it.
  • It is universally understood by operators in all countries.
  • Messages can be sent in Morse code in three basic forms; signaling involving the transmission of pressure, the transmission of light or radio waves.
  • People need to be trained to operate the equipment and to use and translate it.
  • It requires line of sight which can be hard to find in bad weathers.
  • It is time consuming to send, receive and translate the messages.
  • Morse code is slow and cumbersome compared with modern communication.
  • You cannot be 100% sure that the recipient will understand Morse code.
  • It is easily to misread the message as the difference between the length of signals identifying letters and words is very small.
  • It is slow to use compared to talking over a telephone.

cb

What is periodic signal?

A periodic signal has two major characteristics: frequency and amplitude. Frequency is the number of times the periodic signal occurs in a set time, and the amplitude refers to how strong the signal is.