Which of the 3 categories of secondary storage is the least durable due to its moving parts?

Which optical storage device has an average memory size of around 4.7GB?

Which category of secondary storage devices has the fastest access speeds? (i.e. quicker to read and write to)

Which category of secondary storage devices has the slowest access speeds? (i.e. slower to read and write to/from)

Which category of secondary storage devices uses beams of light and lasers that read "pits" and "lands" as binary 1s and 0s?

Which category of secondary storage devices uses semiconductor chips to store data? It is also known as flash memory.

Which of the TWO categories of secondary storage devices are highly portable? (i.e. easy to carry)

Which of the secondary storage categories are the most durable (or strong/ toughest to break)?

Which of the 3 categories of secondary storage are the cheapest to buy, per megabyte (MB)?