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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.
composition of two shm in right angles to each other to havingg time period in the ratio 1:2
Write down the basic performance equation? T=N*S/R T=processor time N=no.of instructions S=no of steps R=clock rate
What is an I/O buffer? I/O buffer: One type of input-output requirement arises from devices which have a very high character density as disks and tapes. With these chara
Q. Conversion of BCD number to binary using a procedure? Conversion of BCD number to binary using a procedure. Algorithm for conversion procedure: Take a packed BCD digit
IA-64 instead depends on the compiler for this task. Even before the program is fed into the CPU, the compiler studies the code and makes the similar sorts of decisions that would
After considering instruction execution let's now describe a concept which is very popular in any CPU implementation. This conception is instruction pipeline. To extract better
What is an I/O Interface? Input-output interface provides a method for transferring binary information among internal storage, like memory and CPU registers, and external I/O d
Define Memory Latency? It is used to refer to the amount of time it takes to transfer a word of data to or from the memory.
Q. Fundamental differences between RISC and CISC architecture? Fundamental differences between RISC and CISC architecture. The following table lists following differences:
An operating system contains 3 resource classes. The number of resource units in these classes is 7, 7 and 10. The current resource allocation state is shown below:
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