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Define external layer?
The external layer is the plane at which the user sees and interacts with the data, that is, the data format in the user interface. This data format is free of the database system used.
An analysis, which determines the syntactic structure of the source statement, is called ? Ans. Syntax analysis that determines the syntactic structure of the source statement.
What is the Vertical Organizational Structure? This is a traditional approach that is typified by a functional approach to work in that departments work onto tasks relevant to
In TCP protocol header "checksum" is of___________? In protocol header of Transfer Control Protocol checksum is of 16 bits.
Q. Show the Classification of Printers? Printers can be classified on following bases: a) Impact: Impact printers print by impact of hammers on ribbon (for example Dot-Matri
Q. Describe short note on Information system for strategic advantage? Ans. Strategic role of information systems engage using information technology to develop products or serv
What is Web Mail Services? Web-based email services are also called as web mail or HTTP email. Unlike traditional POP email, web mail can be accessed from any PC using any web
What are the ways to create a new form? You can make a new form in any of the following three ways: Using AutoForm: You can make a form based on a single table or query qui
What is Strobe. Asynchronous data are transfer among two independent unit needs that control signals to be transmitted among the communicating units to indicate the time at whi
attribute primitive
In using COBOL on PC we have only flat files and the programs can access only limited storage, while in VS COBOL II on M/F the programs can access up to 16MB or 2GB depending on th
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