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a. Explain the hardware mechanism for handling multiple interrupt requests.
b. What are handshaking signals? Describe the handshake control of data transfer during input and output operation.
c. Sketch the typical block diagram of a DMA controller and define how it is used for direct data transfer among memory and peripherals.
Q. Requirements of decision support system? a) Fast computation A decision maker is able to perform a large number of computations very quickly and that too at a low cost
Explain POP (Post Office Protocol). The Post Office Protocol gives remote access to an electronic mail box. The protocol permits a user's mailbox to reside on a computer which
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Q. In PRAM model steps required for executing an algorithm? Subsequent steps are performed by a PRAM model whenever executing an algorithm: i) Read phase: First the N proc
What are the requirements for a swapper to work? The swapper works on the highest scheduling priority. Firstly it will look for any sleeping method, if not found then it will
What is the point of the REPLACING option of a copy statement? Ans) REPLACING permits for the similar copy to be used more than once in the similar code by changing the replac
Thread Dump: When we trigger a thread dump on an application server, all active thread informations will be deserted into file which is called as thread dump. Here, we can get info
Drawbacks of linear arrays
An operating system contains 3 user processes each requiring 2 units of resource R. The minimum number of units of R such that no deadlocks will ever arise is? Ans. The minimum
Explain Simplifying the SOP f the Boolean expression using the K-Map? To simplify the SOP of the Boolean expression using the K map, first identify all the input combinations tha
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