Paging became common in the 1980s after Singapore Telecom changed all rotary dial telephones to push-button, essential for contacting the paging device.
12.
The paging disks were separate from the disks used for the file system and were used if the higher speed paging devices became full.
13.
That paging device could also be used with electronic books so that a reader could use the pager to order a book, Yuen said.
14.
But more than ever, radio astronomy is being threatened by low-altitude satellites serving operators of paging devices as well as by global cellular telephones.
15.
The high speed paging devices are attached using " two-byte " I / O channels operating at up to 3.0 MB per second whenever possible.
16.
Known in China for reliable paging devices, the telecommunications firm agreed last year to build a state-of-the art cellular network originally designed for military use.
17.
New Jersey law has prohibited students from carrying beepers onto school property since the 1980s, when the paging devices were primarily associated with drug dealers.
18.
There is a three level storage hierarchy : ( 1 ) real memory, ( 2 ) high speed paging devices, and ( 3 ) paging disks.
19.
It can send and receive messages through an optional paging device that plugs into its side, and it can download electronic messages from a personal computer.
20.
Zafirovski had been president of Motorola's wireless handset businesses, its largest business unit, which includes cellular phones, consumer two-way radios, and personal messaging and paging devices.
