PS> The concept of a mainframe is a centralized computer as a sources of
PS> information, or a program that is not best ran on many different
PS> computers, but on one (or a Community of Computers).
SK>A mainframe, as my husband tells me, is one large, single computer with
SK>many users using it simultaneously (as opposed to PC's which are usually
SK>one computer per user and also as opposed to a network server--which you
SK>are referring to--which are "central" computers that provide info and
SK>programs to client computers through a network.).
RM> I think this is referred to as "distributed processing"..
MB>Mind if I put in my two cents?
Why not? Every cent counts! ;-)
MB>What we call a "main frame" is a system that has a central
MB>"Master processor" for lack of a better term. In a main frame
MB>system each terminal is essentially dumb, because without the
MB>main frame it is not capable of performing any independent work.
MB>The key factor is that your terminal is "slaved" to the central
MB>or master processor.
MB>That is the advantage of a PC network. Each person can work
MB>independently, any they only access the network when they need a
MB>file off the server or another persons hard drive, accessing the
MB>printer, fax machine, or whatever. So if the server goes down,
MB>each station can work independently until the network goes back up.
MB>Does that help?
Probably! ;-)
Was (am) I correct in terming a pc network as an example of
distributed processing (not to be confused with parallel
processing)? In contrast, a mainframe would constitute
centralized processing?
___
* MR/2 2.26 * DOS=HIGH? I knew it was on something...
--- Silver Xpress Mail System 5.4P1
---------------
* Origin: The Dolphin BBS (914) 635-3303 (1:2624/302)
|