Operating System Programming and Technical

Q. What is a trap and trapdoor?

A. Trapdoor is a secret undocumented entry point into a program used to grant access without normal methods of access authentication. A trap is a software interrupt, usually the result of an error condition

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Operating System Other Question

Q. What is a Real-Time System?

A. A real time process is a process that must respond to the events within a certain time period. A real time operating system is an operating system that can run real time processes successfully Q. When is a system in safe state?

A. The set of dispatchable processes is in a safe state if there exists at least one temporal order in which all processes can be run to completion without resulting in a deadlock.