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Q. How to Access the Disk Data?
Disks operate is semi-random mode of operation and generally referenced block wise. The data access time on a disk comprises two major components:
In addition to seek and latency time the time taken to transfer a (read/write) block of words can be considered however normally it is too small in comparison to seek time and latency and in general disk access time is concerned to be sum of seek time and latency time. Because access time of disks is large so it is advisable to read a sizeable part of data in a single go and so disks are referenced block wise. As a matter of fact you will find that in most of computer system input/output involving disk is given a very high priority. Fundamental reason for such priority is latency time which is needed once the block which is to be read passes below read-write head. It may take time of order of milliseconds to do it again, in turn delaying Input /Output and lowering performance of system.
What is a shift register? Can a shift register be used as a counter? If yes, explain how? Ans: Shift Register: A register wherein data gets shifted towards left or right
how to draw dfd on this??
Q What do you mean by Directives? Assembly languages support numerous statements. This allows you to control the way in which a source program assembles and list. These stateme
1. M - Model 2. V - View 3. C - Controller
Q. What are cosmic rays? The ionising radiation several times stronger than γ-rays entering the earth from all the directions from cosmic or interstellar space is known as cosm
The goal of hashing is to produce a search that takes O(1) time
Explain Shadow Copy Scheme in detail.
Explain the process of inter-register signalling. Registers are utilized in common control exchanges to store and analyze routing data. They are given on a common basis is a
What is graceful degradation? In multiprocessor systems, failure of one processor will not halt the system, but only slow it down by sharing the work of failure system by other
By using Rwatch, Awatch command in GDB we can set read or write watchpoint for a variable.
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