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What is a Real-Time System?
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
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Starvation
What is Starvation? How starvation is avoided in UNIX and WINDOWS Operating System?
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Domain Security Settings and Domain Controller Security Settings
What is difference between the domain security settings and domain controller security settings in windows server 2003 standard edition?
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What's new in Windows 2008 server?
What is deference windows 2000 server and windows 2003 server?What is deference windows 2000 pro and windows xp pro?what is new in windows 2008 server?
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Multi-Tasking Multi-Processing
What are the differences between multiprocessing and multitasking systems? Give Examples for both?
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Assembler, Loader, Linker
What is the logic of the conversion of a source code of a program into its object code? What has the loader and linker's function after that?
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What is CPU Scheduler?
->Selects from among the processes in memory that are ready to execute, and allocates the CPU to one of them.->CPU scheduling decisions may take place when a process:1.Switches from running to waiting state.2.Switches from running to ready state.3.Switches from waiting to ready.4.Terminates.->Scheduling under 1 and 4 is nonpreemptive.->All other scheduling is preemptive.
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What is Memory-Management Unit (MMU)?
->Hardware device that maps virtual to physical address.In MMU scheme, the value in the relocation register is added to every address generated by a user process at the time it is sent to memory.->The user program deals with logical addresses; it never sees the real physical addresses.
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Difference between Primary storage and secondary storage?
Main memory: � only large storage media that the CPU can access directly.Secondary storage: � extension of main memory that provides large nonvolatile storage capacity.
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Common Functions of Interrupts?
->Interrupt transfers control to the interrupt service routine generally, through the interrupt vector, which contains the addresses of all the service routines.->Interrupt architecture must save the address of the interrupted instruction.->Incoming interrupts are disabled while another interrupt is being processed to prevent a lost interrupt.->A...
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Root Directory
The root directory of disk should be placed 1. at a fixed address in main memory 2. at a fixed location on disk 3. anywhere on the disk 4. at a fixed location on the system disk
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What are the latest versions of MSDOS?
What are the latest versions of dos?how does it help in booting the system?what are commands used?
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Restricting the use of the network connection icon on the Windows XP task bar.
We have a workstation with Windows XP. We want to be very limited/restrictive in it use. Is there a way to lock the user from right-clicking on the network connection icon and opening it?
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OS process management
what is the difference between UNIX and windows in process management
Windows Interview Questions
Ans