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Q. How is the NTFS namespace planned? Explain.
Answer: The NTFS namespace is prearranged as a hierarchy of directories where every directory uses a B+ tree data structure to store an index of the file names in that directory. The index root of a directory encloses the top level of the B+ tree. Every entry in the directory contains the name as well as files reference of the file as well as the update timestamp and file size.
What is the main advantage of multiprogramming? Multiprogramming makes efficient use of the CPU by overlapping the demands for the CPU and its I/O devices from various users. I
Q. Suppose an operating system maps user-level threads to the kernel utilizing the many-to-many model where the mapping is done through the use of LWPs. In addition the system allo
Define lazy swapper. Rather than swapping the entire process into main memory, a lazy swapper is used. A lazy swapper never swaps a page into memory unless that page will be ne
Banker's Algorithm In this analogy Customers ≡ processes Units ≡ resources, say, tape drive Ba
What is co-operating scheduling? CPU scheduling decisions may possibly place under the following four circumstances: 1. When process switches from the running state to
scheduling
defination
Memory Protection
ADVANTAGES AND INCONVENIENCES OF ULT Advantages: Thread switching doesn't involve the kernel - no mode switching Scheduling is able to be application specific -
Question 3: (a) Fincorp Ltd is an insurance company wishing to change over to a better business system using an improved version of a financial information system (FIS). The direc
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