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Using Information in Information System
Information Systems can be thought of as being useful at three levels:
The detail level where information is used to carry out discrete tasks in support of the operations of the business, examples are the use of spreadsheet or CAD toolsets. This information will mostly be used by first line employees carrying out the basic activities for the operation.
Each of the three levels has a slightly different emphasis in terms of required knowledge but each has to be informed by the same set of captured data and the same systemic tool that processes and manipulates it.
Object Repository means not a set of objects. It's a common repository for all the people (Testing, Developers) for seeing all the data in one Login. For example QA needs
Q. Why we need number systems? Number system is used to signify information in quantitative form. Some of the general number systems are octal, decimal, hexadecimal and binary.
One can change an infix expression to a postfix expression using a By using Stack you can convert infix expression to a postfix expression
What are the categories of Radio communication 1. Sky wave or ionosphere communication 2. Line-of-sight (LOS) microwave communication limited by horizon 3. Troposphere
Subtraction 11011-11001 using 2's complement. Ans. 11011 - 11001 = A - B 2's complement of B = 00111 1 1 0 1 1 + 0 0 1 1 1 1 0 0 0 1 0 Ignore carry to get answer as 00010 = 2.
Q. Explain about Registers? A register is a group of flip-flops that store binary information and gates that controls when and how information is transferred to register. An n-
Q. Explain rudimentary file formats? FTP only understands two rudimentary file formats. It classifies every file either as a text file or a binary file. A text file comprise a
Define the term Grade of Service. Grade of Service: In loss systems, the traffic carried through the network is usually lower than the actual traffic offered to the network t
Interrupt handling: Handling Interrupts Several situations where the processor should avoid interrupt requests Interrupt-enable Interrupt-disable Typical
Q. Show the developments that happened in third generation? The main developments that happened in third generation can be summarized as below: Application of IC circuit
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