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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.
An exchange uses a -40 V battery to drive subscriber lines. A resistance of 250 ohms is placed in series with the battery to protect it from short circuits. The subscribers are req
Forward Chaining - Artificial intelligence: Imagine we have a set of axioms which we know are true statements regarding the world. If we set these to each be a starting state o
Mr. Franco Forest owns a small lawn care business with three employees. He owns the lawn mowers, rakes, and weed whackers that are housed in a storage area at the back of his home.
Explanation:- Common used functions are placed in libraries. These are located in the SQABas32 subdirectory of the Robot working directory. A library is separated into three fil
Q. Show the properties of Text Box? The tag is used to specify where user input is expected. It has several attributes, of which TYPE attribute is used to specify th
How is a multidimensional array defined in terms of a pointer to a collection of contiguous arrays of lower dimensionality ? C does not have true multidimensional arrays. Howev
Question: Read the following case study and answer the questions based on it. The local airline company needs to develop a system for controlling air traffic at the airport
Cost Involved in Inter-Processor Communication Because data is assigned to too many processors in a parallel computer whilst executing a parallel algorithm processors may be ne
Input Output Techniques: o Interrupt driven o Direct Memory Access (DMA) o Programmed Programmed I/O CPU has control over I/O directly Read/write
Question 1 Explain briefly the process of matching production rules against working memory 2 Explain Simplification, Conjunction and Transportation in propositional logic by
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