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Question 1 Explain the structure of operating system in detail
Question 2 Explain the following scheduling algorithm 1) First come First served 2) Shortest Job First
Question 3 Explain first-fit, Best-fit and worst-fit allocation algorithms with an example
Question 4 Explain and differentiate programmed and interrupt I/O
Question 5 Discuss in detail the three major methods of disc space allocation for files
Question 6 Discuss the need for security and protection in computer systems
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
summary of what operating system do
BEST FIT ALGORITHM Here scanning is for the finest fit one. Signifies it searches the entire list for the best fit position. For the process therefore in that the process will
Q. Polling for an I/O completion is able to waste a large number of CPU cycles if the processor iterates a busy-waiting loop several times before the I/O completes. However if the
Explain the Alphabet and String A finite set of symbols is known as alphabet. An alphabet is frequently denoted by sigma, yet can be given any name. B = {0, 1} says B is an
When we download a movie from the Internet, we don't care about, say, packet sizes. However, even ifwe are not aware of howlow-level details of networks are implemented, our data i
How do we keep track of where the free pieces of memory are? One idea is to maintain a set of linked-lists of free space; each linked-list will store free chunks of some given size
explain dynamic patrician stratagies
Define caching. A cache is a region of fast memory that holds copies of data. Access to the cached copy is well-organized than access to the original. Caching and buffering are
explain the link between operations management and strategic planning of daily goods shop
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