Question $29$

A $4-$bit load register has input d$0$d$1$d$2$d$3$ and output $q0q1q2q3.$ Which of the following is true when the clock input and r both high?

The register's bits are set to $1111$

The register's bits are set to $0000$

The register maintains the previously loaded value

The register loads a new input value