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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.
Q. What do you mean by Segment numbers? There is a good reason for not leaving determination of segment numbers up to assembler. It permits programs written in 8086 assembly
Suppose you have to develop an error recovery protocol for a link that is unreliable and delay sensitive, which of the following protocol would you choose? (i) Stop & wait.
Explain the term Progressive Control. Progressive Control: Step by step system is an illustration of progressive control. The connection is established in stages, in respo
Differentiate between intranet and internet Some comparisons between intranet and internet include: - INTERNET is INTERnational NETwork - An INTRANET is INTernal Restri
A Scanner is a device which allows you to capture photographs or drawings or text from tangible sources (paper or slides etc.) in electronic form. Scanners work by detecting differ
What is delegation? Delegation gives a proper mechanism to achieve the desired code reuse. The method is caught in the desired class and forwarded to another class for actual i
Convert (177.25) 10 to octal Ans. 177.25) 10 = ( ) 8 Firstly we take integer part Hence (177) 10 = (261) 8 Now as 0.25 x 8 = 2.00 and 0.00 x 8 = 0 Therefor
Assignment: develop a calculator in MASM. Text chapters covered: 1 through 4, 5.4, 5.5, 6.3, 7.4 You will develop a "calculator" algorithm in MASM using reverse-polish nota
The do while Loop This is very similar to the while loop except that the test occurs at the end of the loop body. This guarantees that the loop is executed at least once before
what is meant by private copy constructor
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