Arithmetic operation of signed numbers is correct as long as there is no overflow. What is an overflow? Give me an example

each, one with overflow and one without.

Convert $36\mathrm{.}095$ into binary. Please use up to $4$ digits after the binary point. Please calculate the $\%$ of error if you are only

allowed $4$ digits after the binary point. $($delta $/$ original X $100\%)$

Convert $-376\mathrm{.}095$ into the simple model for FP representation. You need to use bias of $15$

Convert the following ASCII hex format into text

$5468652070726f666573736f7220696e206d7920436f6d707574657220417263682e20636c617373206973$

$20677265617421$

You can use online text to ASCII$-$hex converter to help you. For example: $54$ is T$,68$ is $h$

Perform $2\text{'}$s complement arithmetic

$100111+011011($Is there carry or overflow? Is the result correct?$)$

$01110101-00111011($Is there carry or overflow? Is the result correct?$)$

$1100101$