operation the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
computer science,
computing the branch of engineering science that studies (with the aid of computers) computable processes and structures
access -
the act of approaching or entering; "he gained access to the building"
approaching,
coming,
approach the act of drawing spatially closer to something; "the hunter's approach scattered the geese"
access -
a way of entering or leaving; "he took a wrong turn on the access to the bridge"
access -
a code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something (a telephone line or a computer or a local area network etc.)