The general term for this initialization step is bootstrapping and is used the same for all computers whether microcomputer, minicomputer, mainframe computer, or supercomputer.
However certain companies have their own terms for this on certain kinds of their computers (e.g. IBM on their System 360 family of computers uses the term Initial Program Loadingor IPL).
booting
tori conti
A portmanteau of microcomputer and software
personal computer
a Personal computer can call Microcomputer
This process is called ovulation.
Inauguration
The name of the first micro computer is a micro computer
melting and burning
your mam
condensation
Condensation