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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.
Q. Define Far and Near Procedures? Procedure offers the primary means of breaking the code in a program into modules. Procedures have one maindrawbackwhich is they need extra c
The output of SR flip flop when S=1, R=0 is ? Ans. When for the SR flip-flop S=set i/p R=reset i/p, as S=1, R=0, Flip-flop will be set means output will be one.
2. Explain any ten CASE tools
S tends to aAS/a and A tends to SbA/SS/ba
Q. Describe the Vertical Frequency or cycle? Like a Fluorescent lamp, the screen has to repeat same image many times per second to display an image to user. The frequency of th
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
With reference to telephone traffic, explain the terms CCR. CCR: Call completion rate is explained as the ratio of the number of successful calls to the number of call attemp
What are the four necessary conditions of deadlock prevention? Four essential conditions for deadlock prevention are: 1. Removing the mutual exclusion condition implie
Q. What is Flash Memory? This memory is other form of semiconductor memory that was first introduced in mid-1980. These memories can be reprogrammed at high speed and therefo
In a simple paging system, what information is stored in a typical Look-aside Buffers TLB table entry? A classical TLB table entry contains page# and frame#, while a logical
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