Answer: crunches

AnswerCrossword Clue
crunchesProcess large amounts of information or perform operations of great complexity, esp. by computer
crunchesStrike or crush noisily
crunchesCRUNCH, to chew with a crackling sound, also CRANCH, CRAUNCH
crunchesCrush (a hard or brittle foodstuff) with the teeth, making a loud but muffled grinding sound
crunchesMake such a sound, esp. when walking or driving over gravel or an icy surface