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The Guarded Command Language (GCL) of Edsger Dijkstra supports conditional execution as a list of commands consisting of a Boolean-valued guard (corresponding to a condition) and its corresponding statement. In GCL, exactly one of the statements whose guards is true is evaluated, but which one is arbitrary.
The first use of channel I/O was with the IBM 709 [2] vacuum tube mainframe in 1957, whose Model 766 Data Synchronizer was the first channel controller. The 709's transistorized successor, the IBM 7090, [3] had two to eight 6-bit channels (the 7607) and a channel multiplexor (the 7606) which could control up to eight channels.
Executing a set of statements only if some condition is met (choice - i.e., conditional branch) Executing a set of statements zero or more times, until some condition is met (i.e., loop - the same as conditional branch) Executing a set of distant statements, after which the flow of control usually returns (subroutines, coroutines, and ...
Machine Check Mask Extension for Channel Controller o 1 1 Machine Check Mask Extension for Channel Controller 1 2-3 Reserved for channel controllers 2-3 4-7 Unassigned 8 8 Extended Control Mode 9 9 Configuration Control Bit 10-23 Unassigned 24-31 External interrupt masking 24 Timer 25 Interrupt Key 26 Malfunction Alert - CPU 1 (Ext. Sig. 2) 27
The Weather Channel. Why the world seems to fall silent after a fresh snow. Sports. Sports. Associated Press. Jaxson Dart ends his Ole Miss career with 4 TD passes and a 52-20 romp over Duke in t
In object-oriented programming, the safe navigation operator (also known as optional chaining operator, safe call operator, null-conditional operator, null-propagation operator) is a binary operator that returns null if its first argument is null; otherwise it performs a dereferencing operation as specified by the second argument (typically an ...
The Weather Channel. Why the world seems to fall silent after a fresh snow. News. News. CBS News. Mystery shrouds Las Vegas Cybertruck bomber's motives, authorities say. News. People.
Lisa Kudrow recently appeared on the “Armchair Expert” podcast and criticized Robert Zemeckis’ latest directorial effort, “Here.” The movie, which notably reunited Zemeckis with his ...