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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.
Case Study - A taxi company has 200 taxies. The company provides its services to all the nine districts in Mauritius, about 20 taxies per district. A taxi is normally attached to
Q. Define the Arithmetic Micro-operations? These micro-operations execute simple arithmetic operations on numeric data stored in registers. The fundamental arithmetic micro-ope
The Laser Computer Printer Company decides monthly what to produce during the subsequent month. They produce three types of printers, the Laser Rocket, the Alpha Laser, and the La
Abstract class: Abstract classes are the class where one or more methods are abstract but not essentially all method has to be abstract. Abstract methods are the methods, which are
A local government organisation needs to deploy a honey net. To this end you are to deploy a honeynet based on the supplied network diagram (separate download) that should give sop
What is time out mechanism. If one unit is faulty the data transfer will not be done. Such an error can be detected using time out mechanism which makes an alarm if the data tr
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The hybrid models are mostly tailormade models suiting to exact applications. Actually these fall in the category of mixed models. Such type of application-oriented models keep cro
Explain about subsystem and object of object oriented modeling A subsystem is a grouping of elements of that constitutes a specification of behaviour offered by other contained
write a short note on the tri state ttl inverter
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