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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
Example: CMP AX,BX ; compare instruction: sets flags JE THERE ; if equal then skip the ADD instruction ADD AX, 02 ; add 02
Give example of stack using encapsulation of OOA An example of the Stack. A Stack abstraction provides methods like pop (), push (), isEmpty(), isFull(). The Stack can be i
What are the General Security Issues Many issues exist when linking a computer system to the Internet or indeed to an external link via a network set up. There are numerous way
What are kinds of models? Class model - Objects in the system and their relationships. State model - Life history of the objects. Interaction model - Interactions between
Explain the terms topology used in LANs. (i) LAN topologies: This network topology is a physical schematic that shows interconnection of the several users. There are four fun
Q. Define Far and Near Procedures? Procedure offers the primary means of breaking the code in a program into modules. Procedures have one maindrawbackwhich is they need extra c
Q. How does the preparation of atoms in mainly solids differ from the arrangement of atoms in a liquid? Answer:- The arrangement of atoms in solids are diverse from those
What is an interrupt? An interrupt is an event that causes the implementation of one program to be suspended and another program to be implemented.
What is the disadvantage of strobe method. The drawbacks of strobe method are that the source unit that show the transfer has no way of knowing whether the destination unit h
Program: A good illustration of code conversion: Write a program to convert a; 4-digit BCD number into its binary equivalent. BCD number is stored as a; word in memory location kno
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