The Telephone: From One Era to Another

The latest version of mobile phones evolved from a simple beginning. The reason why we always communicate with the world is that the importance of the invention is proved on a day and a half. It is one of the most widely used electronic equipment in today's society. Over time, the research not only developed different versions of mobile phones, but also implemented the latest features such as tone, caller ID notification, dialing, call tracking, allowing you to listen to music while waiting .

In developed countries, the era of computer-aided telephone access (CATI) began. The researchers sat in front of the computer for a phone interview. Respondents are entered directly into the computer by the interviewer. A questionnaire is displayed on the screen, and some questions are not applied to respondents because answers are fast, so the problem is automatically controlled by the computer. Since the response is entered directly into the computer, the data is processed on the spot. You can also program your computer to generate a standardized marketing report.

The development of communication between the two world wars presents complex pictures. Long distance telephone service was introduced by 1920, but the adoption rate declined due to the growth rate during this period, and telephone use in rural areas sharply declined. Direct dialing was attempted first in the 1920's, but no direct dialing was done until after the war, other changes such as signal microwave transmission and push button dialing were done. Although the number of newspapers has decreased, distribution of newspapers is generally stable. The number of newspapers in big cities is beginning to decline, and this trend will accelerate in the postwar US economy.