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All components of computer communicate with processor by the system bus. Which means I/O devices required to be attached to system bus. But I/O devices aren't connected directly to computer's system bus. In its place they are attached to an intermediate electronic device interface known as a device controller that in turn is attached to system bus. Therefore a device controller is an interface between a system bus and an I/O device. On one side it knows how to communicate with I/O device associated to it and on the other it knows how to communicate with computer's CPU or processor and memory via the system bus.
Q. What are the values of x, y, and z. (1011.001101)2 = (x)10 = (y)8 = (z)16 Q. What are the various ways to represent Negative Numbers in the Computer system?
Q. What do you mean by Loader? Loader is a program that assigns absolute addresses to program. These addresses are produced by adding the address from where program is loaded i
Blocking and Non-Blocking network In non-blocking networks the route from any free input node to any free output node can always be offered. Crossbar is an best example of non-
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What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has sure "structure" b
Explain the architecture of SS7 . A block schematic diagram of the CCITT no. 7 signaling system is demonstrated in figure. Signal messages are passed by the central proces
Preamble The owner of the local shopping mall, MaxiMart, has contracted you to assist in the design of an interactive directory. The interactive directory is to be permanently l
#what is nicol prism.its construction and working
It is desirable that operating speed of primary storage of a computer system be as fast as possible since most of the data transfer to and from processing unit is via main memory.
Q. Show the Decimal equivalent of a binary number? In binary numbers we have two digits 0 and 1 in addition they can also be signified as a string of these two-digits known as
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