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Q. State three merits of placing functionality in a device controller rather than in the kernel and State three disadvantages.
Answer: Three advantages: Bugs are less probable to cause an operating system crash Performance can be improved by utilizing dedicated hardware as well as hard-coded algorithms The kernel is simplified by moving algorithms out of it Three disadvantages: Bugs are harder to fix-a new firmware version or new hardware is essential Improving algorithms likewise require a hardware update rather than just a kernel or device-driver update Embedded algorithms could disagreement with application's use of the device causing decreased performance.
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
what are the overall concepts of deadlock
Hashed page table method A general approach for managing address spaces larger than 32 bits is to use a hashed page table with the hash values being the virtual-page number.
fork and join syntax in java
Why Global variables are unacceptable Global variable, for instance, are unacceptable because they break the rules of self - containment. If all procedural components are runni
explain dynamic patrician stratagies
Q. Why is it significant to balance file system I/O among the disks as well as controllers on a system in a multitasking environment? Answer: A system can perform mere
Q. Consider the demand-paged computer system where the level of multiprogramming is currently fixed at four. The system was recently deliberate to determine utilization of CPU and
Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders. Answer: The middle of the disk is the location having the smalles
Define UnixWare UnixWare manages resources at the process level. Each resource allocated to the application is actually allocated to the process representing the application. C
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