The term 'boot up' is a computer term that refers to the process of starting up a computer. It is the process of loading the operating system and other software into the computer's memory so that it can be used. The crossword solutions for the term 'boot up' are: START (5 letters), LOAD (4 letters), POWER (5 letters), and INIT (4 letters). All of these terms refer to the same process of booting up a computer, but from different perspectives. START refers to the beginning of the process, LOAD refers to the loading of the operating system and other software into the computer's memory, POWER refers to the need for electricity to POWER the computer, and INIT refers to the initialization of the computer's hardware.