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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. 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
Let us review the operation of the stack within the 68HC11, the stack is a defined area of RAM which is last in first out register (LIFO) . Access to the stack is made via a stack
Throughput of a system is? Ans. "Throughput" of a system is no. of programs processed by this per unit time.
Illustrate functional diagram of digital multiplexer . Write the scheme of a 4- input multiplexer using basic gates (AND/OR/NOT) and explain its operation. Ans: Multiple
The salient features of hyper threading are: i) Improved support for multi-threaded code, permitting multiple threads to run concurrently. ii) Response time and improved rea
Explain the TEST instruction TEST instruction performs the AND operation. The difference is that AND instruction changes the destination operand whereas TEST instruction doesn
What is an compiled languages In compiled languages the instructions into machine code and kept them in a separate file for later implementation. Many modern compilers can com
Error detection mechanism may include checking mechanical and data communication errors. These errors must be reported to processor. The illustrations of kind of mechanical errors
Q. Addressing Relationship for Main Memory and Cache? In the normal case there are 2k words in cache memory and 2n words in main memory. The n-bits memory address is splitted i
State Disadvantages of object oriented analysis design You know that OO methods only create functional models within objects. There is no place in methodology to design a compl
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