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What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment?
The main difficulty is keeping the operating system within the fixed time constraints of a real-time system. If the system does not finish a task in a certain time frame, it may cause a breakdown of the whole system it is running. Thus when writing an operating system for a real-time system, the writer must be sure that his scheduling schemes don't permit response time to exceed the time constraint.
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
discuss unsafe state in operating system
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What are privileged instructions? Some of the machine instructions that may cause harm to a system are designated as privileged instructions. The hardware permits the privilege
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A system consists of 10 units of resource class Ru. The resource needs of three user processes P1, P2 and P3 are like this Using Banker's algorithm, de
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Define the Division of Labour between Client and Server Given our definition of client - server as the interaction between dispersed application logic components it must be not
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