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Basic Software:
The basic software is also referred to as utilities. Basic software packages are available for performing operations such as data entry and validation, sorting and merging files and editing data. A data entry and validation software typically allows the user to define a format to be displayed on a screen (VDU) and by using other prompts enables data to be entered in the specific format defined by the user. Some simple checks on the data entered are also possible with this software, for instance, ensuring that there are no alphabetic characters in a numerical data field, etc. File sorting and file merging facilities are provided in such packages. Some sophisticated packages offer editing capabilities of certain specific lines in the text or even full
Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following
Q. What about division and multiply operations? In most of the older computers divisions and multiply were implemented using subtract/add and shift micro-operations. If a digit
Object Oriented Analysis and Design 1. What are the advantages of object-oriented systems? 2. Describe the Booch Methodology. 3. Justify that UML is a language for modeli
Draw a circuit of TTL gates with Wired-AND connection and explain its operation. Wired - AND Connection In digital IC's NAND and NOR gates are most frequently used. For th
Electronic typewriter : An electronic typewriter has a 'memory' or 'electronic brain' which enables it to recall the whole document at a time and type it automatically at the pres
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Q. What is Data link layer? Data link layer: data link layer is responsible for transmitting a group of bits between adjacent nodes. Group of bits is termed as frame. Network
Procedure Level Here, parallelism is accessible in the form of parallel executable procedures. In this situation, the design of the algorithm plays a main role. For example eac
What is Dynamic Modelling As you know that computer systems are built from the objects which respond to events. External events arrive at boundary of system; you understan
Universal Elimination: Here for any sentence, there is A, containing a universally quantified variable, v, just for any ground term, g, so we can substitute g for v in A. Thus
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