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Q. What do you mean by Software Poll?
In this scheme on occurrence of an interrupt, processor jumps to an interrupt service program or routine whose job is to poll (roll call) every I/O interface to determine which I/O interface has caused interrupt. This may be achieved by reading status register of the I/O interface. Once correct interface is recognized processor branches to a device-service routine specific to device. The shortcoming of software poll is that it's time consuming.
Explain the working of a demultiplexer with the help of an example. Ans: 1:4 Demultiplexer: Fig.(a) demonstrates the logic circuit of a 1:4 demultiplexer. This has two NOT
What is Monkey testing? The monkey testing is the process of testing here and there for judging the application trying to observe the accessing dissimilar functionalities is i
Recognition of basic syntactic constructs through reductions, this task is performed by? By Syntax analysis, recognition of fundamental syntactic constructs through reductions
Q. Find simplified function F and implement that function using only NAND gates. 1. F(A,B,C) = (A+B) (A'+B+C') (A'+B'+C') 2. F (A,B,C,D) = A'B'C'+B'CD'+A'BCD'+AB'C' 3.
Give the regular expression of the set of all even strings over the alphabet {a, b} along with at least one of the two substrings aa or bb. As well construct the finite automata wh
Disadvantages of file processing system
Under what conditions can one pointer variable be subtracted from another? Pointer subtraction isn't used very much, but can be handy to determine the distances between two arr
Higher Order Predicate Logic : In the very first order predicate logic, we are only allowed to quantify over objects. If we are considered to allow ourselves to quantify over
Explain the key characteristics of mobile computing applications
Performance and Issues in Pipelining Efficiency: The efficiency of a pipeline can be calculated as the ratio of busy time span to the entire time span including the idle time
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