What is computer how does it work what is the part of computer

A computer is an Electric device that works under the control of information stored in it's memory.

The part of a computer are:

ichabod crane is a fictional character and the protagonist in washington irving's short story, "the legend of sleepy hollow", first published in 1820. in popular culture, this story is sometimes retitled as "the headless horseman."

i'd say the answer is nuisance. i hope i .