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Georgia [21]
2 years ago
8

What is secondary storage device? give two examples ​

Chemistry
2 answers:
romanna [79]2 years ago
6 0

Answer:

refers to any non volatile storage device that is internal and external to the computer

aleksley [76]2 years ago
5 0

Explanation:

secondary storage devices are devices or memory stored externally to the computer.

Examples

Hard disk

Floppy disk

USB flash drive

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Explanation:

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gulaghasi [49]

Answer:

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nika2105 [10]
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The half life for the decay of radium is 1620 years what is the rate constant
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Decay is a type of degradation reaction and thus is considered a first order reaction. thus the formula goes like this.
 
rate constant= 0.693/half life

so here...

rate constant= 0.693/1620 year^-1 
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