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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.
Optical mark recognition (OMR) OMR technology scans a printed form and reads pre-defined positions (where specific fields have been filled in for instance ?-?or _); system re
Explain the Edge-triggered J-K flip-flop? The J-K flip-flop works extremely similar to S-R flip-flop. The merely difference is that this flip-flop has NO invalid state.
Heat Transfer Coursework An internal combustion engine of a passenger car is operating at steady state conditions e.g. constant speed (r.p.m.) and load (torque), so the engine
Q. Drawback of the system using disk caching? The main drawback of the system using disk caching is risking loss of updated information in event of machine failures like loss o
A persistent cookie is a cookie which is keeps in a cookie file permanently on the browser's computer. By default, cookies are formed as temporary cookies which keep only in the br
Evidence of intelligent behavior - Artificial Intelligence: Machines mean they could simply be personal computers, or they could be robots with embedded automative systems, or
Ease of Learning - User Friendliness Much has been made recently of increasing sophistication in technology with one of the major benefits advertised as an increase in somethi
How can we access the correction and transport system? Each time you make a new object or change an existing object in the ABAP/4 Dictionary, you branch automatically to the W
Zero address instruction format is used for (A) RISC architecture. (B) CISC architecture. (C) Von-Neuman architecture. (D) Stack-organized architecture.
Give difference between compiler and interpreter. Compiler: It is a translator for machine independent HLL as FORTRAN and COBOL etc. Interpreter: It analysis the source
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