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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. Major problems associated in writing with cache memories? The data in main and cache memory can be written by processors or I/O devices. The major problems associated in wri
COMPUTER FUNDAMENTALS 1. Elaborate the various steps in performing a Mail Merge. Perform one mail merge operation for sending invitation for a conference which is being conduc
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Explain clearly the four stages in the Rapid Application Development
Which of the memory is volatile memory ? Ans. A volatile memory is RAM. Term Volatile memory implies the contents of the RAM get erased as soon as the power goes off.
One's Complement Operator: ~ The one's complement operator, sometimes called the "bitwise complement" or "bitwise NOT" operator, produces the bitwise one's complement of its op
What are the advantages of using XML over HTML? The root cause of the problem lies within HTML that is Hyper Text Markup Language, the defector standard for web publication. Th
State the Relative addressing The location of data is specified relative to current value of the program counter. This is helpful for specifying location of data which is given
Q. High Level Language Program Characteristics? So it is clear that new architectures must support high-level language programming. A high-level language system can be implemen
Distinguish between enhancement mode and depletion mode metal oxide semiconductor field effect transistors giving their characteristics. Ans. Enhancement mode and depleti
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