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2. Pager - Wikipedia

   en.wikipedia.org/wiki/Pager

   Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]

3. Thrashing (computer science) - Wikipedia

   en.wikipedia.org/wiki/Thrashing_(computer_science)

   Thrashing (computer science) In computer science, thrashing occurs in a system with virtual memory when a computer's real storage resources are overcommitted, leading to a constant state of paging and page faults, slowing most application -level processing. [1] This causes the performance of the computer to degrade or collapse.

4. Automated restaurant - Wikipedia

   en.wikipedia.org/wiki/Automated_restaurant

   History. Restaurant automation means the use of a restaurant management system to automate the major operations of a restaurant establishment. When discussing commercial restaurant automation, it is hard not to mention Yoshiaki Shiraishi. This Japanese innovator is known for the creation of conveyor belt sushi.

5. Public address system - Wikipedia

   en.wikipedia.org/wiki/Public_address_system

   Instead the system includes a separate paging controller connected to a trunk port of the telephone system. The paging controller is accessed as either a designated directory number or central office line. In many modern systems, the paging function is integrated into the telephone system, so the system can send announcements to the phone speakers.

6. Memory paging - Wikipedia

   en.wikipedia.org/wiki/Memory_paging

   Memory paging. In computer operating systems, memory paging (or swapping on some Unix-like systems) is a memory management scheme by which a computer stores and retrieves data from secondary storage [a] for use in main memory. [citation needed] In this scheme, the operating system retrieves data from secondary storage in same-size blocks called ...

7. Computer-aided dispatch - Wikipedia

   en.wikipedia.org/wiki/Computer-aided_dispatch

   Computer-aided dispatch ( CAD ), also called computer-assisted dispatch, is a method of dispatching taxicabs, couriers, field service technicians, mass transit vehicles or emergency services assisted by computer. It can either be used to send messages to the dispatchee via a mobile data terminal (MDT) and/or used to store and retrieve data (i.e ...