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Explain the Real Time Operating System
A real-time operating system comprises definite, fixed time constraints. Processing should be done in the defined constraints, or the system will fail. A real time system is referred to function correctly only if it returns the correct result in any time constraints. Thus the subsequent features are desirable in a real-time operating system:
a. Multi-tasking within an application
b. Ability to define the priorities of tasks
c. Priority driven or deadline oriented scheduling
d. Programmer defined interrupts.
Define buffering. A buffer is a memory area that keeps data whereas they are transferred among two devices or among a device and an application. Buffering is done for three rea
What is a multiprocessing system? Multiprocessor systems are those systems that use additional than a single processor for program execution. It is done for raising the executi
Q. Palm OS provides no signifies of concurrent processing. Discuss three major complications that concurrent processing adds to an operating system. Answer: a. A meth
Define logical address and physical address. An address formed by the CPU is referred as logical address. An address seen by the memory unit that is the single loaded into the
What is bounded buffer
What is meant by arm-stickiness? If one or a few processes have a high access rate to data on single track of a storage disk, then they might be monopolizing the device by repe
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
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
Q. The instance of handshaking used 2 bits: a busy bit as well as a command-ready bit. Is it probable to implement this handshaking with only 1 bit? If it is illustrate the protoc
Explain Rehashing to Handle Collision Rehashing: Re-hashing schemes make use of a second hashing operation while there is a collision. If there is an additional collision, we
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