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Q. What do you mean by Drive Cache?
Disk cache may be a part of RAM sometimes known as soft disk cache which is used to speed up access time on a disk. In latest technologies such memory can be a part of disk drive itself. Such memory is sometimes known as hard disk cache or buffer. These hard disk caches are more effective mainly applicable in multiprogramming machines or in disk file servers however they are costly and as a result are smaller. Approximately all-modern disk drives contain a small amount of internal cache. Cycle time of cache would be about a tenth of main memory cycle time and its cost about 10 times cost per byte of main memory.
What is SEGMENT - Assembler directives SEGMENT: This directive defines to assembler the start of a segment with name segment-name. Segment name must be unique and follows the
what is time out based schemes in concurrency control
Define speculative execution. Speculative execution means that instructions are implemented before the processor is particular that they are in the correct execution sequence.
Q. What is Command Prompt Interface? Operating System gives a text based interface called command prompt. With the help of command prompt commands can be issued to perform fil
(a) Explain in a few sentences the difference between a natural frequency and a resonant frequency. Also clarify why for a specific system or component these frequencies may diff
The method for updating the main memory as soon as a word is removed from the Cache is known as (A) Write-through (B) write-back (C) protected write
Q. Explain Increments and skips subsequent instruction? Increments A and skips subsequent instruction if the content of A has become 0. This is a complex instruction then requi
What are the various types of operations required for instructions? Data transfers among the main memory and the CPU registers Arithmetic and logic operation on data
Compare pre-emptive and non-preemptive scheduling policies. We preempt the currently executing process in preemptive scheduling. In non-preemptive we permit the current process
Explain the System Design of Object oriented modelling System Design : At this stage, the whole system model is designed. This is the phase where the complete system is divi
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