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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.
design modulo 12 up synchronous counter using t flip flop
Microprocessor development system Computer systems have undergone many changes recently. Machines that once filled large areas have been reduced to small desktop computer syste
define modularity
The binary equivalent of (FA) 16 is ? Ans. (FA) 16 = (11111010) 10
Differentiate between protection and security. Operating system contains a collection of objects, software or hardware. All objects have a unique name and can be accessed by
Q. What is Shared Memory Programming? We know all processors share a common memory in shared memory model. Every processor can be assigned a separate portion of program stored
Reduce the following equation using k-map Y = BC‾D‾ + A‾BC‾D + ABC‾D + A‾BCD + ABCD Ans. Multiplying the first term with (A+A') Y = A'BC'D' + ABC'D' + A'BC'D + ABC'D + A'BCD +
In an ASP.NET web application that does not build use of routing, an incoming browser request should map to a physical file. If the file does not exist, we get page not found error
What are null values? If the value of a field in a table is indeterminate or unknown, it is known as a null value.
Define word length? Every group of n bits is referred to as a word of information and n is known as the word length.
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