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Q. Interfacing of keyboards?
The keyboard employs a special Input/output port which is similar to a serial port however doesn't explicitly follow the RS-232 serial port standard. In place of multiple data and handshaking signals as in RS-232 the keyboard employs just two signals by which it manages a bi-directional interface with its own set of commands.
Employing its elaborate handshaking mechanism keyboard and PC transmit commands and data to each other. USB keyboards work in a different way by using USB coding and protocol.
define about data movement
How to get an output: Please enter a number between 0 and 6 (Enter to stop): 2 The Day of Week is Tuesday Please enter a number between 0 and 6 (Enter to stop): 9 Input Invalid Ple
The field that contains a segment index or an internal index is called ? Ans. Target datum consists of a segment index or an internal index.
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Write a script that will first initialize a string variable that will kept x and y coordinates of a point in the form 'x 3.1 y 6.4'. Then, use string manipulating functions to ext
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