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Explain the ThreadSwitch function used in the netware
Since NetWare 3 and 4 are nonpreemptive environments, it may be necessary for the application developer to explicitly relinquish control of the processor. T hreadSwitch( ) tells NetWare to reschedule this thread and allocate the processor to another.
What is an I/O subsystem? The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function
Explain external fragmentation? External fragmentation is the process where the free space and the space still available for use, in a piece of storage become separated into ma
Define the DosExecPgm Functions used in the OS/2 DosExecPgm (objBuffer, objLen, flags, cmdLine, env, &resultCode, execName) DosExecPgm function is designed to load an execut
Explain the TlsSetValue (TLSindex, dataPtr)Function The TlsSetValue function associates the dataPtr passed as a parameter as local storage for the requesting thread. The asso
protection in operating system
What is a process? A process is a program in implementation. It is an active entity and it contains the process stack, having temporary data and the data section includes globa
How can the deadlock be prevented-Safe State Safe state : A state is safe if the system is able to allocate resources to each process in some order and still avoid deadlock.
Let us consider the pining details of the 68HC11 as shown below. Each pin has a defined function, some easy, some complex. A microprocessor designer should understan
1. What must a kernel provide for an effective user-level thread implementation? 2. With respect to the quantum q in a scheduling algorithm, explain and discuss the impact of the
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
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