internal synchronization
21Swarming (military) — Swarming is a behavior in which autonomous, or semi autonomous, units of action attack an enemy from several different directions and then regroup. Pulsing , where the units shift the point of attack, is a necessary part of swarming. Swarming is… …
22Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
23Diesel generator — A Cummins diesel generator of 500kVA in a tourist resort in Egypt …
24EtherCAT — is an open high performance Ethernet based fieldbus system. The development goal of EtherCAT was to apply Ethernet to automation applications which require short data update times (also called cycle times) with low communication jitter (for… …
25motion picture, history of the — Introduction history of the medium from the 19th century to the present. Early years, 1830–1910 Origins The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first …
26photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
27Theory of constraints — Part of a series of articles on Industry Manufacturing methods Batch production • Job production Continuous production Improvement method …
28Windows Services for UNIX — (SFU) or Subsystem for UNIX based Applications (SUA) is a software package produced by Microsoft which provides a Unix subsystem and other parts of a full Unix environment on Windows NT and some of its immediate successor operating systems. It… …
29Laptop — A desktop replacement laptop with its 18.4 inch screen showing its technical specifications. A laptop, also called a notebook,[1][2] is a personal computer for …
30Race condition — in a logic circuit. Here, ∆t1 and ∆t2 represent the propagation delays of the logic elements. When the input value (A) changes, the circuit outputs a short spike of duration (∆t1+∆t2) ∆t2 = ∆t1. A race condition or race hazard is a flaw in an… …
