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A personal computer that does not have embedded Bluetooth can use a Bluetooth adapter that enables the PC to communicate with Bluetooth devices. While some desktop computers and most recent laptops come with a built-in Bluetooth radio, others require an external adapter, typically in the form of a small USB " dongle ".
Bluetooth Low Energy (Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart [1]) is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group (Bluetooth SIG) [2] aimed at novel applications in the healthcare, fitness, beacons, [3] security, and home entertainment industries. [4]
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WinFS—Windows Future Storage; WinRT—Windows RunTime; WINS—Windows Internet Name Service; WLAN—Wireless Local Area Network; WMA—Windows Media Audio; WMI—Windows Management Instrumentation; WMV—Windows Media Video; WNS—Windows Push Notification Service; WOL—Wake-on-LAN; WOR—Wake-on-Ring; WORA—Write once, run anywhere
The operator would connect a handset to the line, ask the user who they were calling, and then connect a cable between two phone jacks to complete the call. If the user was placing a long-distance call, the local operator would first talk to an operator at the remote exchange using one of the trunk lines between the two locations.
This means that a memory leak in a program that only runs for a short time may not be noticed and is rarely serious. Much more serious leaks include those: where a program runs for a long time and consumes added memory over time, such as background tasks on servers, and especially in embedded systems which may be left running for many years
Windows Vista introduced a hybrid sleep feature, which saves the contents of memory to hard disk but instead of powering down, enters sleep mode. If the power is lost, the computer can resume as if hibernated. Windows 7 introduced compression to the hibernation file and set the default size to 75% of the total physical memory. [18]