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Bob Bemer used the term time-sharing in his 1957 article "How to consider a computer" in Automatic Control Magazine and it was reported the same year he used the term time-sharing in a presentation. [6] [8] [9] In a paper published in December 1958, W. F. Bauer wrote that "The computers would handle a number of problems concurrently ...
Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices. Each user of the channel takes turns to transmit and receive signals. In reality, only one person is actually using the channel at a specific moment. This is analogous to time-sharing on a large computer server.
Android Wear 2.0 Android 7.1.1 Qualcomm Snapdragon Wear 2100: 512 MB No 340 mAh Round, 1.39 in (35 mm) $229 Casio: Smart Outdoor Watch WSD-F10 2016-03-25 Wear OS 1.0 [1] Android 8.0.0 [2] Samsung S5P3472X02 512 MB No $500 No GPS [3] Smart Outdoor Watch WSD-F20 2017-04-21 Wear OS 2.27 Android 8.0.0 [2] Qualcomm Snapdragon Wear 2100 512 MB No $500
The mobile transmits at the beginning of the time slot as received from the network. If the mobile is near the base station, the propagation delay is short and the initiation can succeed. If, however, the mobile phone is just less than 35 km from the base station, the delay will mean the mobile's transmission arrives at the end of the time slot.
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Other watches can cooperate with a smartphone app to execute their functions. They are paired to a smartphone, usually via Bluetooth. Some of these only work with a phone that runs the same mobile operating system; others use an OS that is unique to the watch, or otherwise is able to work with most smartphones. Paired, the watch may function as ...
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This article covers the evolution of time-sharing systems, providing links to major early time-sharing operating systems, showing their subsequent evolution. The meaning of the term time-sharing has shifted from its original usage. From 1949 to 1960, time-sharing was used to refer to multiprogramming; it evolved to mean multi-user interactive ...