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Explain in detail about Operating Systems (OS)
Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other applications/programs. On a PC, first program which runs is stored on a ROM chip. This program checks system hardware to make sure everything is functioning routinely. This checks CPU, memory and basic I/O systems (bios) for errors. If all is satisfactory, BIOS will activate disk drives. When hard drive is activated, OS is found in boot and is then loaded.
Explain Message switching. Recourse computer sends data to switching office that stores the data into buffer and seems for a free link. Sends link to other switching office, if
DLQ - Dead Letter Queue If an application tries to put a message to one more application and if it is not delivered then it goes to the DLQ. So DLQ is not anything but all und
This error message should say something like "the plug-in (or the major GIMP app) I was talking to has existed before returning any results, so I suppose that it has crashed."
Which of the memory is volatile memory ? Ans. A volatile memory is RAM. Term Volatile memory implies the contents of the RAM get erased as soon as the power goes off.
Q. Explain Assembly program execution? An assembly program is written according to a strict set of rules. A word processor or editor is used for keying an assembly program in t
the block diagram of an 8086 processor
distributed & centralized system in computer network
Why we need to construct state transition diagram Basically you need to construct a state transition diagram for each object with important behaviour. You need not construct on
What are the events done by the Kernel after a process is being swapped out from the main memory? When Kernel changes the process out of the primary memory, it performs the fol
Q. Show MPI functions? MPI comprises hundreds of functions which are a small subset of which is enough for most practical purposes. We will discuss some of them here. Int M
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