Question

When two or more devices try to write data in a bus simultaneously, is known as ______________

(a) Bus collisions

(b) Address multiplexing

(c) Address decoding

(d) Bus contention

This question was addressed to me in a job interview.

My doubt is from Introduction of Memory Devices topic in section Memory Devices of Digital Circuits

Answer 1

Correct choice is (d) Bus contention

For explanation: Bus contention is an undesirable state of the bus of a computer, in which more than one memory mapped device or the CPU is attempting to place output values onto the bus at once.