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Q. Describe the External Users of system?
External Users: Modern information systems are now reaching beyond the boundaries of traditional business to involve customers and other businesses as system users. In business-to-business information systems every business becomes an external user of other business's information systems. For illustrations in the case of direct purchasing of product through Internet, customer becomes an external user of retailer's order processing information systems. Another illustration is that if a business connect their purchasing systems directly to order processing systems of their suppliers then both become external users to each other.
Polymorphism in C++ is the idea that a base class can be inherited by various classes. A base class pointer can point to its child class and a base class array can store dissimilar
Q. Explain Programmer Visible Registers? These registers can be accessed employing machine language. In general we encounter four kinds of programmer visible registers.
Convenience of Environments -artificial intelligence: In some cases, some aspects of an environment which should be taken into account in decisions about actions may be unavai
Give example of Real time (transaction) processing Using this illustration of booking seats on a flight, below sequence of events would occur: - Customer/travel agent conta
Why can CRC detect more errors than simple Checksum? There are two purposes a CRC can identify more errors than a simple Checksum. 1. Since an input bit is shifted by all th
DADA Electronics makes CD players in 3 processes: programming, and packaging. Direct materials are added at the starting of the assembly process. Conversion costs are incurred even
explanation of the difference between syntax and semantic errors
What are the main data structures used in the following areas: RDBMS, Network data model and Hierarchical data model? RDBMS = Array (i.e. Array of structures) Network data m
Memory utilization factor shall be computed as? Ans. memory in use/total memory connected.
What is a pre-processor? A pre-processor is a program that procedure the source code before it passes by the compiler. It handles under the control of pre-processor directive.
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