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Define Multiprogramming.
Multiprogramming: A multiprogramming operating system is system which allows extra than one active user program or part of user program to be stored into main memory simultaneously. These operating systems are fairly sophisticated. Each job which enters the system is kept in the job pool. Its pool contains all processes residing upon mass storage awaiting allocation of main memory. If some jobs are about to be brought in memory, and there is not sufficient room for all of them, so the system should choose between them. A time-sharing system is a type of multi-programming system.
Describe the essential properties of the Real Time operating systems. Real time operating system has following essential properties: Time constraint result Priority
Q. Describe Message Passing Model? In message-passing model there be a set of tasks which employ their own local memories at the time of computation. Many tasks may inhabit on
Q. What is Stack and register manipulation? Stack and register manipulation: If we create stacks, stack instructions prove to be useful. LOAD IMMEDIATE is a good illustration
Data Dependency: It refers to the state in which two or more instructions split same data. The instructions in a program can be given based on the relationship of data dependency
In a JK Flip-Flop, toggle means ? Ans. Change the output to the opposite state implies the meas of toggle, in a JK Flip-Flop.
Name the 7400 series TTL chip which is a priority encoder. Write its truth table. Ans. Available IC in 74 series is 74147 that is a priority encoder. Such I
Q. Standards used for development of a system? Documentation standards: It must be an ongoing activity at the time of system development life cycle. Quality Standards:
What are two reasons for using layered protocol? Layered protocol implies protocols used into each layer are the layer's own business that is they don't influence protocol of a
A minterm is an AND expression involving all input variables in either inverted or non-inverted form.For one particular row the associated mintermis the only minterm which equals l
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