Answer:
b. the interface between the hard disk and the system bus
Explanation:
A controller, in the most basic computing terms, is a hardware chip or card that falls between two hardware components. Thus, a computer’s motherboard will always have a controller that interfaces with RAM, hard disk, DVD drives or other hardware components. Being an interface between two hardware devices facilitate incoming and outgoing commutations. Option B therefore, is the correct answer because it interfaces between the hard disk and sytem bus, which are both hardware components.
Ally typed a business letter. She used a word processor.
DCE stands for data circuit-terminating, data communications, or data carrier equipment - this is a modem or more generally, a line adapter.
DTE stands for data terminal equipment which generally is a terminal or a computer.
Basically, these two are the different ends of a serial line.
In 2008 was when the first android operating system was sold in the United States.