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State about the Object oriented analysis
Object oriented analysis (OOA) is concerned with developing software engineering specifications and requirements that expressed as a system's object model consist of a population of interacting objects. Abstraction concept in object oriented analysis (OOA) is important. Abstraction can be defined as: the characteristics of an object which make it only one of its kinds and reflect a significant concept. Analysis is a broad term, best qualified, as in object oriented analysis (an investigation of the objects of the problem domain) or requirements analysis (an investigation of the requirements).
What is state and state diagram? A state is an abstraction of values and links of an object. Set of values and links are grouped together into a state according to the group be
Define device interface. The buffer registers DATAIN and DATAOUT and the status flags SIN and SOUT are part of circuitry commonly called as a device interface.
What is time out mechanism. If one unit is faulty the data transfer will not be done. Such an error can be detected using time out mechanism which makes an alarm if the data tr
Dynamic address translation : If, when executing an instruction, a CPU fetches an instruction located at a specific virtual address, or fetches data from a particular virtual
what is mean by refersing screen
1. Figure 1 below shows the truth table for five different functions. Each truth table shows the inputs x1, x2 and the desired output d. (a) Write down which of these functions
Consider a network message transfer among a source S and a destination D by 3 routers R1, R2 and R3 as given below:- S -------- R1 --------- R2 --------- R3 ---
Explain Resource request and allocation graph (RRAG) Deadlocks can be explained by a directed bipartite graph known as a Resource-Request-Allocation graph (RRAG).A graph G = (V
How is the command Suppress-Dialog useful? Suppressing whole screens is possible using this command. This command permits us to perform screen processing "in the background".
Your shell should accept and execute the pipe "|" operator. This will look like the following: | The functionality of this operator is to execute command1 and send i
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