whatz the difference between mainframes and As400?

Answer 1

AS400 is an IBM workstation. Mainframes don't have to be made by IBM. AS400s are usually smarter than mainframes or at least the mainframes I am used to.

Answer 2

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whatz the difference between mainframes and As400?

Answer 3

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it is about the same kind of difference as between chinese and korean... Both use letters, and are understood by computers. But the syntax, lexic and vocabularies are different. Helps? BTW, one being "oops", and the other one not is really bull... Create a struct in "C", shove some pointers to functions into it, and enjoy your very own "object". Now, create another struct, with the previous one as the first field - and you have just discovered inheritance. Cast a pointer to the second one into a pointer to the first - and that is your polymorphism. Another myth is that C++ is a "superset of C" or that you can compile a C program with a C++ compiler. This is not true. They look somewhat similar to a human eye, but formally are totally different laguages. You could, probably, come up with some fairly simple C program, that can be compiled with C++, just like some Spanish words (and even sentenses) are also valid in French, but in general that is not true. Function pointers are not compatible with void*, or with each other. Integers are not compatible with pointers, and are not assumed by default, you can't skip a type declaration etc, etc. And finally, no, "C" is not faster than "C++" on any sane system.

Answer 4

C++ expands upon the C language. There is support for the Object Oriented Programming language extension, and there are other small changes. Some of the changes are for support of OOP, however you can take advantage of the C++ language improvements without using OOP. Just some of the C++ improvements over C: -C uses more cumbersome comment markers (/* */), while C++ uses the double forward slash (//). -Variable scope is another improvement. In C, you cannot access 2 variables of the same name (local & global), but with C++, you can. -Function overloading. C does not allow functions to have the same name. C++ allows this, provided that the parameters are different. This allows a programmer to make a set of procedures which are similar in function, but require different parameters or types of parameters. I don't think anyone uses a straight C compiler for programming anymore, unless they're using something old for learning C. It is best to use a C++ compiler and take advantage of it's extended capabilities. Only don't use OOP. It's just bloated, slow code for lazy people.

Answer 5

As400 Mainframe

Answer 6

As400 are midrange computers and are very suitable for medium sized businesses. They are very secure and are mostly used in banking, insurance and financial institutions to run their application. The are manufactured by IBM and is now known as iSeries or System i.

Mainframes are used by companies which requires huge amounts of data transfer.

Answer 7

Speed is the key of success while money is not a question.

Mainframe is large scale z-series system with job control language, extreme fast speed, mostly for quick POS systems or multiple large MIS systems, high investment of multi millions dollars.

AS400 is mid range i-series system with data control language, slow speed for low-cost budget offices with iddle time POS system or stand alone medium IMS system.

Answer 8

AS 400 is old IBM Workstation. Mainframe Computers are multi-functioning computers. AS 400s are not in vogue. these days.

Answer 9

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