A hashtable or a hash map is a data structure that is used to implement an associative array. It is user-defined reference types. It associates keys with values. The primary operation in hash table is look like: given a key (e.g. a studentâs name), find the corresponding value (e.g. that studentâs ID number).
DRTV is a type of television-based advertising that encourages viewers/consumers to call, visit a website or in some other way make a purchase, register, vote, make an appointment, request more information or take another desired action.
Digital terrestrial television (DTTV or DTT) is a technological evolution of broadcast television and an advancement over analog television. DTTV broadcasts land-based (terrestrial) signals. terrestrial implementation of digital television (DTV) technology uses an aerial to broadcast to a conventional television antenna (or aerial) instead of a satellite dish or cable television connection. Competing variants of broadcast television systems are being used around the world.