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What is direct access?
A file in which any record or block can be read next. Usually the blocks are fixed length.
What are the most common schemes for defining the logical structure of a directory? The most common schemes for explaining the logical structure of a directory Single-L
Q. Give an instance of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly Answer: a. Print the content of
What is meant by context switch? Switching the CPU to another process needs saving the state of the old process and loading the saved state for the latest process. This task is
what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
Question: (a) i. Consider Active Directory as a database, then for each type and new class of objects, what is created? ii. What is the purpose of the global catalog? ii
copy-on-write
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
Q. We have an OS (operating system) for a machine that uses base and limit registers however we have modified the machine to provide a page table. Can the page tables be set up to
What is Multiprogramming? Multiprogramming is the capability of am operating system to support multiple applications running concurrently. Multiprogramming simply means that an
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