Pick the true statement(s). A. User-visible registers are directly accessible by user programs. B. The PSW (Program Status Word) register holds flag bits on program state. C. A condition code bit holds the processor mode (kernel or user). D. A general purpose register (GPR) holds an instruction.

The open systems interconnection (osi) reference model: defines standards for many aspects of computing and communications within a network. is a generic description for how computers use multiple layers of protocol rules to communicate across a network. defines standards for wireless local area network (wlan) communication protocols. details the advantages and disadvantages of various basic network cabling options.

This graph compares the cost of room and board at educational institutions in texas.

The song about casey jones a railroad engineer who gives his life on the job would most likely gall under the folk song category of? a-work song b-nonsense song c-religious song d-ballad