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Q. What do you mean by Information System?
An information system is an planned combination of hardware, people, communication networks, software and data resources that transforms, collects and disseminates information in an organization.
An information system is a set of technologies which support work group and efficient business operations, enterprise collaboration or effective managerial decision-making and change the way business compete strategically by acting as a essential competitive network as a means of organizational renewal and as a necessary investment in technologies that help an enterprise to achieve its strategic objectives.
Building the Structure Chart - Processes in the DFD tend to show single module on the structure chart Afferent processes - give inputs to system Central processes -
File History.d1 contains a brief history of computing. There are no indentations in this file. Write a program to read this file, inserting five blank spaces at the beginning of ea
Constant Current Sources An ideal constant current source delivers a given current to a circuit regardless of the voltage required to do so. . Constant current supplies are r
Q. Explain Passing Parameters Using Pointers ? This method overcomes the drawback of using variable names directly in procedure. It uses registers to pass procedure pointers to
Q. Features of read-only memory? ROMs are memories on which it's not possible to write data when they are on-line to computer. They can only be read. This is reason why it is k
What is microfilm? This is a photographic reproduction of a document greatly decreased in size from the original on fine grain, high resolution film. Microfilm needs a reader f
Standard typewriter : You must have seen this manually operated machine. Standard typewriters of various makes such as Remington, Fact, Godrej, etc., are available in the market.
Q. Versions of small computer systems interface? SCSI-1 calls for a cable with 8 data wires plus one for parity. SCSI-2 allows use of multiple cables to support 16- or
Hardware interrupts: Hardware interrupts -from I/O devices, processor, memory Software interrupts-produced by a program. Direct Memory Access (DMA) Interrupt or Poll
In a multicomputer system the computational load amid different processors should be balanced. To pass information between different nodes message passing technique is used. The p
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