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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
MDEFINE CRITICAL SECTION
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
Explain the Fork Function Fork function causes a new process to be created. The calling progress is duplicated as an exact copy (called the child process) that differs only in
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
Define a linker program A linker program links the program along with other programs required for its execution.
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Q. Why is rotational latency typically not considered in disk scheduling? How would you alter SSTF, SCAN and C-SCAN to comprise latency optimization? Answer: Most disks don't
What is linked allocation, as detailed in text? Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
Explain about interprocess communication The cooperating processes communicate with each other via an interprocess communication facility. IPC gives a mechanism to permit proce
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