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Name the memories in the computer and rate them by the amount of space and their price. When should which be used.

Processor memory (cache), RAM (Random Access Memory), Hard memory (Hard Drive, Magnetic Tapes, Solid State drive). Processor is fastest, ram is next, hard is slowest. Processor is most expensive, then ram, t...
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Add the binary numbers 100101 and 101001 and convert them to decimal (they are unsigned integers). What are possible issues when adding the numbers?

The result is 1001110, which converted is 78. The problem that can occur is overflow, since original number is 6 digit, but result is 7, which may cause to drop the most significant bit and become 14 instead...
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How is frequency density calculated?

Frequency divided by class width
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Answered by Umamah Y. • Maths tutor
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What is a ligand?

A species with one or more valence electron pairs that forms co-ordinate bonds with a metal ion.
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Answered by Umamah Y. • Chemistry tutor
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What are the two main secondary structures of proteins?

Alpha helices and Beta pleated sheets.
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Answered by Umamah Y. • Biology tutor
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