11ac Learns, discovers- bit by bit (6) (g?e???)12ac Devices for connecting computers by telephone lines.(6) (??d?m?) 6d As traded for a cow in a famous14d (5) (?e???)
12a Disembodied spirits of dead people (6) *h*s*s
23a Executes, carries out (8) ****o*m*
18d Adjusted (7) *d***e*
20d Economise, save (6) s***m*
thanks...