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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
Vector reduction Instructions : When operations on vector are being deduced to scalar items as the result, then these are the vector reduction instructions. These instructions are
Add 20 and (-15) using 2's complement ? Ans. Addition of 20 and (-15) by using 2's complement as (20) 10 = 1 0 1 0 0 (16
What is Locking? When two users at the same time attempt to access the similar data record, this is synchronized by a lock mechanism
Define the meaning of Registers and Counting? Registers: Group of flip-flops use for data storage. Counting: Another extremely important application of flip-flops is in dig
Using Web resource monitors we can search the performance of web servers. Using these monitors we can examine throughput on the web server, number of hits per second that happened
Q. Layers of Distributed System architecture? Layers of Distributed System architecture are: Presentation Layer is actual user interface. This layer receives input and
Internal Path length It is described as the number of node traversed while moving by one particular node to any other node in the tree.
Nyquist''s sampling theorem says "if you have a signal that is perfectly band limited to a bandwidth of f0 then you can collect all the information there is in that signal by sampl
Q. Define Synchronization Latency Problem? If two simultaneous processes are executing remote loading then it's not recognized by what time two processes will load as issuing p
system area
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