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Explain the various types of computer systems.
Mainframe systems
Large Number of CPU with Greatest Processing Power:
Huge Memory Capacity:
Increased Performance by sharing workload:
Centralized Computing:
Ability to Run in Multiple Operating systems
Supports Time Sharing Ability:
Supports Sophisticated Operating system:
Reliability:
Availability:
Serviceability:
Supports Maximum I/O connectivity
Have capability of providing Maximum I/O bandwidth
Have the greatest ability of producing fault tolerant computing.
Capacity to manage Large Users
combined approaches (ULT/KLT)
Q. Data transfer between two processes? Communication: Data transfer between two processes is essential for some time. Both processes are on the one computer or on different
What are the necessary conditions for deadlocks? 1. Mutual exclusion : Only one process at a time is able to use the resource. 2. Hold and wait : A process should be holdi
Symmetric multiprocessing To get maximum reliability and efficiency a mode of function called as symmetric multiprocessing is used. In essence, with SMP any program or threads
How are file sharing and protection implemented? To implement file protection and sharing, the system ought to maintain more file and directory attributes than are needed on a
Define request edge and assignment edge. Answer: A directed edge from process Pi to resource type R j is denoted by Pi->j; it signifies that process Pi requested an instance
address binding at load time
Q. Consider a system that holds 5000 users. Presume that you want to allow 4990 of these users to be able to access one file. a. How would you denote this protection scheme in
Define properties of Distributed operating system Distributed:- This system distributes computation among several physical processors. The processors do not share memory or a
Relative file organization A relative file is an array of fixed-length slots and the records can be inserted in the first free slot found from the beginning of the file and
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