Question: In which city is this company headquartered that uses the HIL bus to connect keyboards, mice, trackballs, digitizers, tablets, barcode readers, rotary knobs, touchscreens, and other human interface peripherals to their workstations?
Sentence (from "HIL bus"): The bus was in use until the mid-1990s, when HP substituted PS/2 technology for HIL.
Relevant evidence: No