Question

Internally, a computer’s binary data are always transmitted on parallel channels which is commonly referred to as the __________

(a) Parallel bus

(b) Serial bus

(c) Data bus

(d) Memory bus

The question was posed to me during a job interview.

I'd like to ask this question from Fast Adder & Serial Adder topic in division Arithmetic Circuits of Digital Circuits

Answer 1

The correct choice is (c) Data bus

To explain: A process consists of 3 types of buses: Control Bus, Data Bus and Address Bus. A computer’s data is always in the binary form which is stored in the bus that transmits the data on any channels. It doesn’t matter that it’s in parallel or serial.