How has the telephone changed?
Cellphone mania has swept the world. All across the globe, people have
acquired the portable gift of gab, with some users making 45 or more calls a day. Phone maker Nokia estimated that there will be 2 billion mobile phone subscriptions worldwide in 2006.44 It has taken more than 100 years for the telephone to get to this point-getting smaller, acquiring push buttons, losing its cord connection. In 1964,the * and# keys were added to the keypad. The star (✻) and number sign(#) (aka hash key) signals, respectively. These keys were added to provide signals for anticipated data entry purposes in business applications, but found use in Custom Calling Services (CLASS) features installed in electronic switching systems.1973, the first cellphone call was processed. In its most basic form, the telephone is still
advancements contributing to developments in information technology.
4000-1200 BCE Inhabitants of
the first known civilization in
Sumer keep records of
commericial
transactions on clay tablets
a young child can use it. However, it is now becoming more versatile and complex-a way of connecting to the internet and the World Wide Web. Indeed, internet smartphones-such as the Treo 650, Audiovox SMT 5600, Motorola E398, and LG VX8000- represent another giant step for information technology. Now you no longer need a personal computer to get on the internet. Smartphones in their various forms enable you not only to make voice calls but also to send and receive text messages, browse the World Wide Web, and obtain news, research, music, photos, movies, and TV programs. (And with camera and camcorder cellphones, you can send images, too.) According to one survey, the percentage of people who use nonvoice applications for text messages is 27%; email 11 %; internet 9%; and photography 6%-and the numbers of users for these options are growing all the time.
Cellphone mania has swept the world. All across the globe, people have
acquired the portable gift of gab, with some users making 45 or more calls a day. Phone maker Nokia estimated that there will be 2 billion mobile phone subscriptions worldwide in 2006.44 It has taken more than 100 years for the telephone to get to this point-getting smaller, acquiring push buttons, losing its cord connection. In 1964,the * and# keys were added to the keypad. The star (✻) and number sign(#) (aka hash key) signals, respectively. These keys were added to provide signals for anticipated data entry purposes in business applications, but found use in Custom Calling Services (CLASS) features installed in electronic switching systems.1973, the first cellphone call was processed. In its most basic form, the telephone is still
advancements contributing to developments in information technology.
4000-1200 BCE Inhabitants of
the first known civilization in
Sumer keep records of
commericial
transactions on clay tablets
a young child can use it. However, it is now becoming more versatile and complex-a way of connecting to the internet and the World Wide Web. Indeed, internet smartphones-such as the Treo 650, Audiovox SMT 5600, Motorola E398, and LG VX8000- represent another giant step for information technology. Now you no longer need a personal computer to get on the internet. Smartphones in their various forms enable you not only to make voice calls but also to send and receive text messages, browse the World Wide Web, and obtain news, research, music, photos, movies, and TV programs. (And with camera and camcorder cellphones, you can send images, too.) According to one survey, the percentage of people who use nonvoice applications for text messages is 27%; email 11 %; internet 9%; and photography 6%-and the numbers of users for these options are growing all the time.
