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DMA controllers in computer system:
INTERFACE CIRCUITS
o Provides a storage buffer for at least one word of data.
o Circuitry required connecting an I/O device to a computer bus
o Contains address-decoding circuitry
o Contains status flag that can be accessed by the processor.
o Generates the appropriate timing signals required by the bus control scheme.
o Performs format conversions
o Ports
o Parallel port
o Serial port
Keyboard to processor connection
Determine the negation of the statement? "2 is even and -3 is negative"? Answer: 2 is odd or -3 is not negative.
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Q. For function F(x,y,z) = ∑m(0,1,2,6,7) using TRUTH TABLE only. 1. Find SOP expression 2. Implement this simplified expression using two level AND-to-OR gate network 3. I
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Discuss the classifications of switching systems. The categorizations of switching systems are specified in the block diagram given below:
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haw to convert context free grammar to regular grammar
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