In the old days, if you wanted to get some kind of information, you had to get up and get it. Telephones allow you to just call the other party holding that information and it is transferred to you via cable. In this way it also reduces cost of operation, since you no longer need to spend time traveling the space in search for what you're looking for.
What was so useful about telephones was that now people didn't have to go to their contacts or wait a couple days for them to respond to there mail. Instead they just had to click a few buttons and talk.
Offices equipment such as computers , telephones ,photocopies and fax machines an accounting software
An epabx system or machine is used for certain telephones, mainly in offices or businesses it would be used in everyday working environment.
Unfortunately this question appears to be incomprehensible and unanswerable. However computers are used in many places now including but not limited to homes, offices, vehicles, and telephones.
Telephones'
Downloading apps on your cell telephones is one way to make them more useful. Cell telephones can hold a variety of applications, depending on the type of phone you have. One of the most useful apps on a cell phone is a budgeting app. A budgeting app can be used to record all of the expenses you incur in a given day. If you buy a burger at the fast food restaurant or splurge on new clothing, then you can quickly record the purchases on a cell phone with a budgeting app. Otherwise, purchases can be easily forgotten and receipts can be lost.
Telephones were invented in 1876. No major milestone in telephones happened in 2000.
They are used to affect the 'drum' of the speaker and vibrate it according to the electrical impulses sent to it. These impulses are modulated by the sound being sent to the receiver.
The allow offices to send and receive copies of documents to other offices with fax machines almost instantaneously. A fax machine also has the benefit of issuing a confirmation page, that is a receipt and proof of the document being send.
Every single country on earth has telephones.
5,4546,3545.3 telephones
Telephones are about instant communication with other people wherever they are.