In the context of computers, which of the following is true?a$.$ GHZ is used to measure frequency or speed $(1$ GHZ $=109$ cycles$/$sec$)$b$.$ GB is used to measure storage $(1$ GB $=230$ bytes$)$ c$.1$ KB $=210$ bytes $=1024$ byes $($this is also called $1$ Kibi$)$d$.$ All of the above