...difference between client/server and mainframe

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Answer by kiran chaturvedi
Submitted on 4/28/2005
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mainframe A large computer that has access to billions of characters of data and is capable of processing large amounts of data very quickly. Capable of serving hundreds to several thousands of users Client/server computing is the logical extension of modular programming. Modular programming has as its fundamental assumption that separation of a large piece of software into its constituent parts ("modules") creates the possibility for easier development and better maintainability. Client/server computing takes this a step farther by recognizing that those modules need not all be executed within the same memory space. With this architecture, the calling module becomes the "client" (that which requests a service), and the called module becomes the "server" (that which provides the service). Mainframe architecture (not a client/server architecture). With mainframe software architectures all intelligence is within the central host computer. Users interact with the host through a terminal that captures keystrokes and sends that information to the host. Mainframe software architectures are not tied to a hardware platform. User interaction can be done using PCs and UNIX workstations. A limitation of mainframe software architectures is that they do not easily support graphical user interfaces (see Graphical User Interface Builders) or access to multiple databases from geographically dispersed sites. In the last few years, mainframes have found a new use as a server in distributed client/server architectures Client/server architecture. As a result of the limitations of file sharing architectures, the client/server architecture emerged. This approach introduced a database server to replace the file server. Using a relational database management system (DBMS), user queries could be answered directly. The client/server architecture reduced network traffic by providing a query response rather than total file transfer. It improves multi-user updating through a GUI front end to a shared database. In client/server architectures, Remote Procedure Calls (RPCs) or standard query language (SQL) statements are typically used to communicate between the client and server

Answer by xray
Submitted on 10/27/2005
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Mainframe: With mainframe software architectures all intelligence is within the central host computer. Users interact with the host through a terminal that captures keystrokes and sends that information to the host. Mainframe software architectures are not tied to a hardware platform. Processing is not shared it is done at the central computer. Client/server computing has two basic components, a client and a server. The client requests a service to be performed. This service might be to run an application, query a data base, print a document, or even perform a backup or recovery procedure. Processing is shared. Part is done at the server or part is done at the client. It depends on the application being used.

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Question by clint
Submitted on 6/21/2004
Related FAQ: Client/Server Frequently Asked Questions
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What is the difference between client/server and mainframe

Answer by wilnab
Submitted on 9/3/2004
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client/server is a distributed network description. client PCs (with their own OS's and drives)on a network request info or program access from servers which have the databases or applications they wish to use. Mainframes are [like] giant servers only they serve dumb terminals. Those terminals have no drives,no independent OS..just a screen and keyboard. All data of any type is contained in the mainframe. Any info changed or added from a terminal changes the data in the mainframe. The most frequently used nowadays is the IBM model. Yes it's an old system but very hardy and ya gotta remember...these things are HUMONGOUS!

Answer by mnhgkm
Submitted on 3/31/2005
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bh,nm,.nm.nm.m./

Answer by moley
Submitted on 5/23/2005
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please tell me the differences'

Answer by thomachan
Submitted on 1/12/2006
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Client Server uses intelligent terminals while Mainframe uses dumb terminals. In client server systems there can be any number of servers and any number of clients, While mainframes work on the principle of central server Distributed computing and cross platform computing is not possible with Mainframes while client server supports them.

Answer by vijay anand
Submitted on 5/1/2006
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How to delete a dataset which is mounted in a tape?

Answer by nitu
Submitted on 7/4/2007
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don't know

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