Question

The input data bit is written into the cell by setting ____________

(a) The flip-flop for 1

(b) Resetting the flip-flop

(c) The flip-flop for HIGH

(d) Both the flip-flop for 1 and resetting the flip-flop

The question was posed to me during an interview.

The doubt is from Random Access Memory in section Memory Devices of Digital Circuits

Answer 1

Correct choice is (d) Both the flip-flop for 1 and resetting the flip-flop

Easiest explanation: The input data bit (1 or 0) is written into the cell by setting the flip-flop for 1 and the resetting the flip-flop for a 0 when the R/W’ line is low, R/W is active-low pin.