What kind of secondary storage is provided by magnetic disks?

A fast speed, high capacity
B slow speed, high capacity
C fast speed, low capacity
D slow speed, low capacity

Correct Answer: slow speed, high capacity

Following are the characteristics of secondary storage devices: i) High Capacity: Secondary storage devices like external hard drive can have high memory capacity than the primary memory. ii) Portable: Since secondary storage devices are external devices they are portable and can be connected to different computer systems. iii) Durable: highly durable in nature. iv) Non - volatile: Secondary storage is non - volatile memory. v) Cost: The cost of the secondary storage devices is less than the primary devices.
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Hard disks are formatted in the same manner as floppy disks. However, before a hard disk can be formatted, it must first be _____
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B Same as the primary current
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একটি স্টেপ আপ ট্রান্সফরমারে, গৌণ কুণ্ডলীর পাকসংখ্যা মুখ্য কুন্ডলীর পাকসংখ্যার দ্বিগুণ। যদি মূখ্য কুন্ডলীকে কোন পরিবর্তী বিদ্যুৎ লাইনের সাথে সংযুক্ত করা হয়, তাহলে মুখ্য কুণ্ডলীর তুলনায় গৌণ কুণ্ডলীতে- (In a step up transformer, the number of turns in the secondary coil is twice to that of primary coil. If you apply an alternating current in the primary coil, then in the secondary coil compared to the primary coil-)
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B তড়িৎ প্রবাহের মান অর্ধেক হবে (current will be halved)
C তড়িৎ বিভবের মান অর্ধেক হবে (voltage will be halved)
D তড়িৎ প্রবাহের মান সমান থাকবে (Current will remain the same)
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A High-density disks
B Diskettes
C Hard disks
D Templates

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