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The internet is a collection of interconnected computer network around the world that provides a wealth of information on nearly any topic you can imagine. The world Wide Web, often simply called the web, is a subsystem of the internet. DEFINITION OF INTERNET The internet is a worldwide network of computers that share information. Information […]
BASIC PROGRAMS FIND SUQARE ROOT OF NUMBERS 10 REM FIND SUQARE ROOT OF NUMBERS 20 INPUT “ENTER FIRST NUMBER OF RANGE”; A 30 INPUT “ENTER LAST NUMBER OF RANGE”; B 40 FOR I = A TO B 50 PRINT “THE SUARE ROOT OF “; A; “IS “;SQR(A) 60 NEXT A 70 END FIND SQUARE […]
BASIC has a number of built in functions that greatly extend its capability. These functions perform such varied task as taking the square root of a number, counting the number of characters in a string, and capitalizing letters. Functions associate with one or more values, called input, a single value called output. NUMERIC FUNCTIONS: […]
To make a computer do anything you have to write a computer program. To write a computer program you have to tell the computer, step by step exactly what you want it to do. An Algorithm can be defined as the set of rules and sequential steps that define how a particular problem can be […]
Step 1: Program Specification Program development can be divided into several stages which are shown in the diagram below Step 2: Program Design Step 6: Program Maintenance Step 4: Program Test Step 3: Program Code Step 5: Program Documentation 1. Problem Definition This stage is the formal definition of task. It […]
An organized list of instructions that, when executed, causes the computer to behave in a predetermined manner is called a program. There are many programming languages –C, C++, Pascal, BASIC, FORTRAN, COBOL, and LISP are just few. These are high level programing languages. We also have low level language called assembly languages and machine language. […]
I. Preliminary Study Is the first stage of system development life cycle. This is the brief investigation of the system under consideration and gives a clear picture of what actually the physical system is. In practice, the initial system study involves the preparation of a ‘System Proposal’ which list the problem definition, objectives of […]
The System Development life Cycle (SDLC) is a conceptual model used in project management that describes the stages involved in an information system development project from an initial feasibility study through maintenance of the completed application. Various SDLC methodologies have been developed to guide the process involved including the waterfall model (the original SDLC method), […]
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