(computing) Initialism of deferred procedure call. A software interrupt triggered by the kernel when it detects a "hung" condition deep within a thread or process it is attempting to terminate. In general, this allows the process to complete its work before the impending termination or context switch.

(communication, electronics) Acronym of dedicated physical channel.

(communication, electronics) Abbreviation of dedicated physical control channel.

Initialism of differential pulse-code modulation.