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What is system software? Give an example.
It is a collection of program that are implemented as needed to perform functions such as
I. Receiving and interpreting user commands
II. Entering and editing application programs and keeping them as files in secondary storage devices.
Eg. assembler, linker, compiler etc
Illustrate some notations of object modeling notations A classifier is a mechanism which describes behavioural and structural features. In UML significant classifiers are cla
Multiprogramming or multitasking? Ans: The OS manages the concurrent execution of many application programs to make best possible use of computer resources. This pattern of si
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.
Ask queCreate a telephone directory. The heading should be 16-point Arial Font in bold The rest of the document should use 10-point font size Otherheadingsshould use 10-point Cour
Q. What is the impact of overflow for binary numbers? An overflow is said to have happened when sum of two n digits number takes n+ 1 digits. This definition is perfectly appli
Q. Find out if a particular file is available in a disk in DOS? Sometimes you may like to find out if a particular file is available in a disk. In that case, you can identify t
What are the characteristics of semiconductor RAM memories? They are available in a wide range of speeds. Their cycle time range from 100ns to less than 10ns. The
Illustrate the Encryption and Decryption methods One of the best method of ensuring security is to change the form of communication. Let the messages be encoded in such a patte
program for finding the area under the curve #include float start_point, /* GLOBAL VARIABLES */ end_point, total_area; int
Takes care structural and behavioural aspect of a software system. Contains software usage, functionality, performance, economic, reuse, and technology constraints.
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