digit selector मीनिंग इन हिंदी

By multiplexing the display, only seven " digit selector " lines and seven " segment selector " lines are needed.
The holding time of the A-digit selector and director will depend on the number ( 1 to 6 ) and length of code digits to be sent, and whether numeric digits are also to be sent, but averages 20 seconds.
On a call to the operator via digit 0 which has already been received by the A-digit selector and requires no more than four routing digits and no numeric digits, the holding time will be only 2 or 3 seconds.
As traffic to the operator via digit 0 is small, this level on the A-digit selector does not have its own group of directors; one or more of the other groups of directors is equipped with the necessary manual board facilities.
The A-digit selector, BC switch and particularly the send switch uniselector of the director were worked much harder than selectors in the switching train which were held for the duration of the call ., and the noise in the vicinity of director racks in the busy hour could be unbearable.