1 Information without meaning is.
2 used by banks to process cheques
3 an output device that moves and performs mechanical tasks
4 the validation check between an upper and lower limit
As usual, can't get 2 again:- 41a Variety of duck e.g. widgeon or pintail (4)- l - e. Could this be Blue? 45a In fishing, a line that has hooks attached at intervals along it's lower length (11)P - t...