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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.
How many "true" terrorists are there in the US? I don't know, but let's suppose that there are 3000 out of a total population of, say, 3,000,000. That is, one person in 100,000 i
What do you mean by complexity of an algorithm? The term complexity is used to define the performance of an algorithm. Typically performance is calculated in terms of time or s
Navigation to a subsequent screen can be specified statically/dynamically Yes, navigation to a subsequent screen can be specified statically.
Write short note on the Johnson counter. Ans: Johnson Counter: It is a synchronous counter, where all flip-flops are clocked concurrently and the clock pulses drive the
What are the phases of swapping a page from the memory? Page stealer searches the page eligible for swapping and places the page number in the list of pages to be swapped. K
Define various security protocols used for e-commerce applications. The e-commerce systems of today are composed of very many components as like: a commerce server, client soft
What is overflow, underflow case in single precision(sp)? Underflow-In SP it means that the normalized representation needs an exponent less than -126. Overflow-In SP it mea
What is macro call? Explain. Macro call: While a macro name is used along with a set of actual parameters this is replaced through a code generated from its body. Such code
Salient points about addressing mode are: This addressing mode is employed to initialise value of a variable. Benefit of this mode is that no extra memory accesses are
What is assembly language? Assembly language : It is a family of low-level language for microprocessors, programming computers, microcontrollers etc. All are implement a symbo
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