You are given two code snippets $($a and b$)$ below that perform the same

operations to its internal signals, based on an input signal inp. What is

the difference $($if any$)$ in the digital circuit generated by these snippets?

$[5$ marks$]$

code a

$1$ always @ $()$ begin

$2$ d a t a s t $=$ i n p $+3$ ;

$3$ l o o p v a r $=$ d a t a s t $+2$ ;

$4$ l o o p e n d $=($ l o o p v a r $>20)?1$ b$1$

: $1$ b$0$ ;

$5$ end

code b

$1$ always @ $($ posedge c l k $)$ begin

$2$ d a t a s t $<=$ i n p $+3$ ;

$3$ l o o p v a r $<=$ d a t a s t $+2$ ;

$4$ l o o p e n d $<=($ l o o p v a r $>20)?$

$1$ b$1$ : $1$ b$0$ ;

$5$ end

Page $3$ of $9$

$$ Trinity