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Sunday, January 13, 2019

Know about Secondary memory

 Aashish Mahato     January 13, 2019     No comments   

Secondary memory

secondary memory

Secondary storage is nonvolatile and has lower cost for beat it generally has in operating speedare slower than that of primary memory because the problems where exist in the primary memory in accordance to the limited capacity and volatility. As result additional memory called as salary memory or secondary storage is used with most computer system it is used primarily to store large volume of data on permanent basis that can be partially transferred to memory storage whenever required for processing

with respect to limited capacity it become necessary to store many millions sometimes billions and even trillions compares of data in a computer unfortunately the storage capacity of primary storage of today computer is not sufficient to store the large form of data in addition to this volatility primary memory is volatile and data store in its is lost when power is turn off however computer system need to store data on permanent basis for several days several months or even years

secondary storage is an storage device design to retain data and instruction programs in a relatively permanent from secondary storage is nonvolatile that is stored data and instruction and cetane even you're the power supplies court of it is also called as explorer memory or back of memory its propose is true is your program in data for future use the information which is needed by the CPU for current processing is transferred from secondary memory to the main memory comparatively secondary memory is cheaper than the main memory according to per bit cost.


Features of secondary memory

1. It is called the axillary external or a backup memory

2.it is not directly accessible to CPU it requires primary memory for its operation

3.It is used for storing data and program permanently

4. It is usually non volatile memory

5. it is usually cheaper and slower for read and write operation than primary me

6. It is normally used in large storage capacity

7.it can be magnetic optical oror semiconduct memory

8. It can be used for transferring data from one computer to another

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Aashish Mahato
It's me Aashish Mahato from Nepal. I am student of Science and I am here in Kathmandu, Nepal. I have skills on internet, Photoshop, video editing, hacking and so on. Thank you.
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