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In this article we're going to review the different types of computer memory as they do not all function the same way.

The most common and most often

According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product

used computer memory is your RAM which stands for Random Access Memory. Random Access Memory is considered random access because you can access any ce

; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.

Examples of combination products may in

ll of the memory at any time for any piece of information either for retrieval or storage if you know the row and column that intersect at that cell.

lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.

For example: let's say we are working within an Excel spreadsheet and we want to change the value in cell A1 from 100 to 90. In order to do this the c

here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe

mputer has to know where on the RAM chip that cell's contents are located. Fortunately for the user, it does and the user doesn't have to. Once the c

d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.

Combination pro

hange is made the computer replaces the contents in RAM, which was the value 100, with the new value of 90 and leaves it in that location until the use

ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc

r decides to change the value again or closes up the spreadsheet itself. Once that happens, the contents in RAM of that particular location are lost.

easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi

Hopefully before doing this the user will have saved his spreadsheet to his computer's hard drive.

RAM can also be broken down into different types.

nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically

First there is SRAM, which is Static Random Access Memory. This type of memory is usually used for a computer's cache memory. Then there is DRAM, whi

and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ

ch is Dynamic Random Access Memory. This type of memory has memory cells with a paired transistor and capacitor which need constant refreshing. Then

ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi

there is EDO DRAM which is Extended Data Out Dynamic Random Access Memory. This is very fast memory which doesn't wait until processing of the first b

ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.

Following aspects would a

it is completed before moving on to the next bit. Then we have SDRAM, which is Synchronous Dynamic Random Access Memory. This type of memory takes ad

dd to the challenges in developing combination products:

Which markets to tap where the combination products can do fairly well?
Which combination prod

antage of the fact that in most cases the data that needs to be accessed is sequentially stored and therefore using a very fast method of accessing thi

cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin

s memory. The rate of this memory is about 528 Mbps, which is extremely fast.

The opposite of RAM is SAM, or Sequential Access Memory. This is memor

tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen

y that has to be accessed in sequence, one cell at a time until the location the user is looking for is found. This memory is very good for buffer mem

t?

As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel

ory because items stored in the buffer are usually stored sequentially anyway as the user continues his work. SAM is slower than RAM as far as access

ping new procedures for reviewing their safety, efficacy and quality.

Professional from academic institutions, pharmaceutical industries, health care indust

ime goes.

Another type of memory is what is known as ROM or Read Only Memory. Read Only Memory is also known as Firmware. This is an integrated circ

y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products

uit programmed with certain data when it is manufactured. ROM is not only used in computers but in a number of electronic devices like your Xbox or an

.

As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de

y video game console box. Without ROM just about any electronic item today that has built in functions simply wouldn't work.

There are many other dif

elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.

Companies that provide selfless information through particip

ferent types of memory but these are the most common. In future articles we'll go more deeply into how memory in your computer and other devices works

tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products

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