"Samsung has just unveiled it's newest (a)   on a series of smart phones."

The missing word means:

a plan or drawing produced to show the look and function or workings of a building, garment, or other object before it is built or made

"A lot of customers will remain (a)   even when their price sky-rocket."

The missing word means:

giving or showing firm and constant support or allegiance to a person or institution

"Customers are willing to pay a (a)   to get the newest from Apple."

The missing word means:

a sum added to an ordinary price or charge

"Memes blow out of (a)   when apple announced their thousand-dollar computer stand."

The missing word means:

a part, share, or number considered in comparative relation to a whole

"Base-model cars are cheaper compared to cars with (a)   extras in it."

The missing word means:

something that has been or can be added to an existing object or arrangement

"The original iPhone's (a)   price was nowhere near the price of the newest iPhone."

The missing word means:

the sale of goods to the public in relatively small quantities for use or consumption rather than for resale

"Most electronic gadgets use (a)   parts and do not share common parts with any devices from other brands."

The missing word means:

marketed under and protected by a registered trade name

"Because Apple decided to omit useful ports off their devices, you are basically forced to buy a separate (a)   to be able to connect anything to their devices."

The missing word means:

a small device able to be connected to and used with a computer, especially to allow access to wireless broadband or use of protected software

"These files were (a)   off that burnt-out computer."

The missing word means:

obtain (something such as money or an admission) from someone in the face of initial unwillingness