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triple 3-input NOR gate 14 SN74LS27: 74x28 4 quad 2-input NOR gate driver N O =30 14 SN74LS28: 74x29 2 dual 4-input NOR gate 14 US7429A: 74x30 1 single 8-input NAND gate 14 SN74LS30: 74x31 6 hex delay elements (two 6ns, two 23-32ns, two 45-48ns) 16 SN74LS31: 74x32 4 quad 2-input OR gate: 14 SN74LS32: 74x33 4 quad 2-input NOR gate open-collector ...
Multi-monitor, also called multi-display and multi-head, is the use of multiple physical display devices, such as monitors, televisions, and projectors, in order to increase the area available for computer programs running on a single computer system. Research studies show that, depending on the type of work, multi-head may increase the ...
Some switchers allow the operator to select A/B or flip-flop modes. Both the preview and program buses usually have their own video monitors displaying the video selected. Another main feature of a vision mixer is the transition lever, also called a T-bar or fader bar. This lever, similar to an audio fader, is used to transition between two buses.
An electronic multiplexer can be considered as a multiple-input, single-output switch, and a demultiplexer as a single-input, multiple-output switch. [3] The schematic symbol for a multiplexer is an isosceles trapezoid with the longer parallel side containing the input pins and the short parallel side containing the output pin. [4]
A composite monitor or composite video monitor is any analog video display that receives input in the form of an analog composite video signal to a defined specification. [1] A composite video signal encodes all information on a single conductor; a composite cable has a single live conductor plus earth.
A feedback control loop is directly controlled by the RTU or PLC, but the SCADA software monitors the overall performance of the loop. For example, a PLC may control the flow of cooling water through part of an industrial process to a set point level, but the SCADA system software will allow operators to change the set points for the flow.