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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.
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate
What are the different types of parameters? Formal Parameters: Parameters, which are described during the definition of subroutine with the FORM statement.
Why is Cloud Computing important? There are many implication of cloud technology, for both developers and end users. For developers, cloud computing gives increased amounts of
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
Determine the negation of the statement? "2 is even and -3 is negative"? Answer: 2 is odd or -3 is not negative.
The function noise.m, now installed on ashland too, adds Gaussian, salt, uniform and pepper, additive or multiplicative noise to an image
what is physical data structure in internals of rdbms?
Q. Show layout 84-key Keyboards? PC 83-key was the earliest keyboard provided by IBM with its first Personal Computers (PC). This had 83 keys. Afterwards IBM added one more key
Given: • A sequence of n arrival times t0, t1, ..., tn-1, • a library of mlogically equivalent gates {(d0, c0), (d1, c1), ..., (dm-1,cm-1)} where d is delay and c is cost • a
Write 8086 initialisation routine required to program 8255 for mode 1 with Port A and Port B as output Ports and Port C as an input port. Indicate all the relevant signals.
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