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Q. Explain about disk caching scheme?
The disk caching scheme can be used to speed up performance of disk drive system. A set (cache) of buffers is assigned to hold some disk blocks that have been recently accessed. In effect the cached blocks are in memory copies of disk blocks. If data in a cache buffer memory is modified only local copy is updated at that time. Therefore processing of data occurs using cached data avoiding need to frequently access disk itself.
Which Command permits for vertical alignment of fields one below the other. UNDER Command is used ofr vertical alignment.
List all seven layer of OSI model and describe function of application layer. The layers of OSI model are as follows: (1) The Physical Layer: It defines an interface in
Superscalar Processors In scalar processors, only one instruction is implemented per cycle. That means only single instruction is issued per cycle and only single instruction i
The scheduling in which CPU is allocated to the process with least CPU-burst time is called? Ans. Shortest job first Scheduling wherein CPU is allocated to the process with lea
How physical addressing is performed in WAN? WAN networks operate as similar to a LAN. All WAN technology describes the specific frame format a computer uses while sending an
Describe the essential properties of the Distributed Operating System Essential properties of Distributed operating systems: Sharing resources Calculation speed-up
The Storage Class register The Storage Class register : The storage class 'register' tells the compiler that the associated variable should be stored in high-speed memor
Describe CMOS inverter. Ans: CMOS inverter that is also called Complementary MOSFET Inverters, are several of the most broadly used and adaptable MOSFET inverters utilized i
The following sentences have a (potential) scope ambiguity. Give two translations into predicate logic for each sentence (one formula for each reading), and explain in words what t
what is beizer curve
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