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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.
how to prove the partial order R is a total order in discrete mathmetics and structures by topological sorting method in c programming
4-variable K-maps have 16 squares which arearranged in 4 columns and 4 rows. Columns and rows are labeled with 2 variables. The rows are arranged so that C or D ch
1) Identify the software needs of each PC and whether or not anything needs to change. a. State the changes that you would make (and why) b. If no "change" needs to be made b
The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communicatio
Explain importance of modems used in data transfer and list some of the V-series recommendations. The series also describes a variety of DCEs using different type modulatio
Let's answer our second question first. All computers have a Unit which performs arithmetic and logical functions. This Unit is called as Arithmetic and Logic Unit (ALU). However h
INT 21H supports about 100 different functions. A function is recognised by putting the function number in AH register. For illustration if we want to call function number 01 then
Q. Illustrate why does a tea kettle sing? Answer:- There is a little attachment with a hole in it which acts as a whistle. It is inserted into the spout of the kettle as w
Episodes - artificial intelligence: If an agent's current choice of action not based on its past reactions, then the environment is known as episodic. In the non-episodic envi
Q. Define Wait protocol? The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols:
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