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Define semaphore
A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in a parallel programming environment.
Explain a working of file control block A file control block (FCB) has information about the file, containing ownership, permission, and location of the file contents. The log
Question: a) The Dynamic Host Control Protocol (DHCP) server is important for setting TCP/IP configuration, when there are a large number of clients on the network. How does D
What is an operating system and what are the different types of operating systems? Operating System An Operating System or OS is a software program that allows the compute
Question: a) Define the term ‘Operating System' and identify two goals of an operating system. b) What do you understand by Symmetric multiprocessing (SMP) and Asymmetr
Q. Consider a file at present consisting of 100 blocks. Presume that the file control block (and the index block in the case of indexed allocation) is already in memory. Compute h
What is Multiprogramming? Multiprogramming is the capability of am operating system to support multiple applications running concurrently. Multiprogramming simply means that an
what is secondary storage management
How do we overcome the disadvantages of the two-level directory? Give links from one user directory to another, creating path names; system files become available by letting th
Question: (a) What are the main challenges for Mobile Computing? (b) What is the ISM band and what is particular about this frequency band? Name two wireless technologies
Define drawback of Distributed systems Reliability is a drawback of Distributed systems
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