Q$1$: Convolve two rect$()$ functions with N$=6$ by any method Flip or slide or tabular method

Q$2$: Check whether the system is Linear or not, if x$($n$)$ is a logarithmic system.

Q$3$: Convolve x$[$n$]=[0,1,2,3,0],$ h$[$n$]=[0,2,1,0\mathrm{.}5,0][$red# means value at $0].$

Q$4$: Convolve x$[$n$]=[1,2,3],$ h$[$n$]=[3,2,1].$