A number of software packages are now available to aid in the generation of data acquisition and control applications. Just as spreadsheets are tools which help in the manipulation and presentation of data, so the software reviewed here are tools for generating applications. While the details of how the packages work vary from one to another, they do have two common features. Firstly they have some graphical editor which allows one to generate panels (screens),which the user will interact with as the application is progressing, and secondly they have some application editor for specifying - what processing is to take place in an application and when it is to do so.
Starting with classification of instruments we have two based on their behavior.
1. Hard instrumentation
2. Soft instrumentation
Hard instruments are those we can touch and other typeof instruments are those which we can neither touch nor feel their existence. All devices with the abovecharacteristics are classified as soft instruments. We allknow the basic functionality of any instrument is dataacquisition and control.
Under soft instruments these allcan be made possible with tools often called as software packages, ex:- LAB VIEW and VISUAL BASIC etc.
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