Which is the best way of marketing an Ad? (a) TV show, (b) Digital bill board, (c) News paper ad, or (d) Direct show of real product?

Marketing is the systematic planning, implementation and control of a mix of business activities intended to bring together buyers and sellers for the mutually advantageous exchange or transfer of products.
On the other hand, Advertising is a single component of the marketing process.
It's the part that involves getting the word out concerning your business, product, or the services you are offering.
It involves the process of developing strategies such as ad placement, frequency, etc.
Advertising includes the placement of an ad in such mediums as newspapers, direct showing of real products, direct mail, billboards, television, radio, and of course the Internet.
Advertising is the largest expense of most marketing plans, with public relations.
  If you are trying to build a successful business from the ground up, you know how much money is left over for things like print advertising, digital bill board, TV show, web design or direct mail postage.
Your budget may have already been broken and you have yet to move into your new store.
Now we can see that, advertising by TV show, Radio digital billboard, News Paper and Internet might cost a huge amount of money for the products company .But direct showing of real products in front of customer or crowd people is the less cost advertisement way and it is more profitable way of advertising.
Real customers can get assure that, the products are good by seeing with own eye before buying those.
For this reason, direct showing of real products is the best way of marketing Ad.
Direct showing of real products ad.
may be arranged at show rooms of all probable town/city, Commerce Fair, Super -shops etc.
 

Its Advanced So prefer Tv Show Is A best way of MArketing Add.. 

TV Ads.
A well executed TV commercial has the power to make us experience all kinds of emotion - laughter, sadness, fear even, all in a matter of minutes.
An art form in their own right, they showcase the latest trends in design, culture and music.

Considering the reception capability of cutomer and least cost for Ad. with easy understanding direct showing of real products by skilled field marketers/salesperson is the best way of marketing Ad.Customer belive on true products showing and using and they quickly decide to purchase.

all of this

in varying degrees depending on the type of the product

Well all the ways mentioned above are important for an marketing an add. It will depend on your product what will be best for you? If you are product is eatbale or consumable product that public use everday probably digital board or new paper add would do best for you, if you want go furthure a door to door campaign( driect show of your product) would add much to that. If you are prodcut relats to It ( Cellphone, tablet etc) you cant let everyone to use it and distribute it free then for you probably a Tv add or Tv show would be better to inform the people about your features. and if your selling manufacturing machines to the businesses direct marketing would do that job for you (B2B). Ways to promote your product would differe what you are offering to the public.