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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.
What are the different between Public Key Encryption and Secret Key Encryption? Differentiate between Public Key Encryption and Secret Key Encryption: A cryptographic sys
Problem (a) Using a labelled diagram of an Instruction-Execution cycle, describe how a CPU executes single machine instructions by referring to the five main operations.
File Menu: Under it there are New, Save, Save as, Save as template, Import, Export, Preview in browser etc. options. Edit Menu: In this menu there are Cut, Copy, Paste, Undo,
SET 2I OF ALL INTEGERS WITH ZERO IS AN ABELIAN GROUP
I have chosen an imaginary example to illustrate the different stakeholder categories. At Home sells a selection of consumer products, currently listed in a paper catalogue, whi
State and prove Demorgan's second theorem Proof: Demorgan's second theorem = A‾ + B‾ The two sides of the equation here = A‾ + B‾ is represented through the logic d
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Define Encapsulation- object-oriented technology Encapsulation also called as information hiding, is the characteristic of separating the external aspects of an object, from t
What is system testing? The final step in testing is system testing, which means checking the whole application. System testing exercises the overall application and make sure
Q. Explain Integrated Disk Electronics Devices? IDE devices are associated to PC motherboard by a 34-wire ribbon cable. Common drive used today for workstations has capacities
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