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Can you define a field without a data element?
Yes. If you require specifying no data element and thus no domain for a field, you can enter data type and field length and a short text in the table maintenance.
External interface is interface between I/O interface and peripheral devices. Interface can be characterised into 2 main categories: (a) parallel interface and (b) serial interface
What are the desirable characteristics of an Electronic Market Place? Characteristics of an Electronic Market Place: a. Its electronic, the business center is not a phys
What do you understand by E-cash? E-Cash Ecash is a cash which is showed by two models. One is the on-line form of e-cash which permits for the completion of all types of
Data Validation condition: The following condition stated below must be met for a data to be valid as is shown in the figure 3a below. 1. The data on the SDA line must remain stabl
State how Shared Memory is used for inter process communication. Define how ptrace is used by debuggers. What are modules? Explain how data mapping takes place among modules
specifies a form field where user can enter large amounts of text. In most respects, works like an field. It can have a name as well as a def
The Boolean expression A‾.B + A.B‾ + A.B is equivalent to ? Ans. The Boolean expression A‾ .B + A. B‾+ A.B is equivalent to A + B (A‾ .B + A. B‾+ A.B = B( A‾ + A) + A. B‾ =
Q. Interfacing of keyboards? The keyboard employs a special Input/output port which is similar to a serial port however doesn't explicitly follow the RS-232 serial port standar
What is hit? A successful access to data in cache memory is known as hit. Normal 0 false false false EN-IN X-NONE X-NONE
Explain the term - Rational Rose and Visio 2000 Enterprise Rational Rose: IBM Rational RequisitePro is a powerful and easy-to-use tool for use case management and requirement
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