"' Input / Output Control System ( IOCS ) "'refers to several software packages on early IBM entry-level and low level software access to peripheral equipment via record oriented access . ..
22.
In computing, "'ioctl "'( an abbreviation of "'input / output control "') is a system call for device-specific input / output operations and other operations which cannot be expressed by regular system calls.
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The bandpass filters method usually uses analog processing to divide the input signal into frequency bands; the magnitude of each filter's output controls a transducer that records the spectrogram as an image on paper.
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In the'70s, the language was picked up by microcomputer manufacturers of the era to be used as both a simple ROM embedded programming language as well as a quasi operating system for input / output control.
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HAL allows a multitude of configurations to be built while being flexible : one can mix & match various hardware control boards, output control signals through the parallel port or serial port-while driving servo motors, solenoids and other actuators.
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This technique became adopted by several early computer operating systems as a " handshaking " signal warning a sender to stop transmission because of impending overflow; it persists to this day in many systems as a manual output control technique.
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This feedback loop has the cantilever deflection as input, and its output controls the distance along the z axis between the probe support ( 2 in fig . 3 ) and the sample support ( 8 in fig 3 ).
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Jeff Joseph, vice president of communication for the Consumer Electronics Association, said there is already a proposal to install " selectable output control " technology in future cable TV set-top boxes that could give entertainment companies " remote control of America's living rooms ."
