240 - INTRODUCTION TO DATA PROCESSING/MANGEMENT OF INFORMATION TECHNOLOGY Objectives To give a thorough and up-to-date grounding in the realities of commercial applications of Information and Communication Technologies (ICT’s). To Examine the roles of data‚ information and knowledge within modern business organisations‚ and the roles that information and communication technologies (ICT’s) play in supporting people and groups within organisations. To provide students with a thorough understanding
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Introduction There are distinct non-sequential file structure models in the computer system‚ generally‚ the file structure can be subdivided into two major types which are the random (hashed) file and the index file. This will compare the both types of file structure models and its advantages and disadvantages. The random (hashed) file It is quite useful of this type structuring system while the files are non-sequential that can be depicted as data storage spaces and which are subdivided into
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File system File names A file name is a name assigned to a file in order to secure storage location in the computer memory. Whether the file system has an underlying storage device or not‚ file systems typically have directories which associate file names with files‚ usually by connecting the file name to an index in a file allocation table of some sort‚ such as the FAT in a DOS file system‚ or an inode in a Unix-like file system. Directory structures may be flat‚ or allow hierarchies where directories
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2 Areas of data processing 1. Business Data processing (BDP) . Business data processing is characterized by the need to establish‚ retain‚ and process files of data for producing useful information. Generally‚ it involves a large volume of input data‚ limited arithmetical operations‚ and a relatively large volume of output. For example‚ a large retail store must maintain a record for each customer who purchases on account‚ update the balance owned on each account‚ and a periodically present a
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Data processing is a shop that works in many different working fields. One thing you do in data processing is learning to computer programming. In my shop we are learning to program in Visual Basic and QuickBasic. Programming is used to tell a computer what to do. Using code you can make programs that can answer math problems‚ which would take someone‚ days to calculate in a brief second. In data processing we also learn to word process. Word processing is taking written text and being able to save
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Image Processing Rajasekar S‚ Mohammed Nizar S ECE Department‚ Third Year RMK Engineering College raja.peak@gmail.com smohamednizar@gmail.com +919789356115 +919840515626 Abstract— This document talks about the use of image processing as one of the most crucial element of developing Futuristic Technologies in various fields. I. What is Image processing? Image processing is a method to convert an image into digital form and perform some operations on it‚ in order to get an enhanced
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File Management Student’s name POS/355 November 19‚ 2012 Instructor’s Name File Management In a system that supports 5‚000 users protection and accessibility are key roles for the system. On a system of 5‚000 users allowing only 4‚990 users to access one file must make good use of protection as well as accessibility. Protection of files needs to be set up so that there is access given to users on a system in three different permission categories. The first is the permission to read
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University of Phoenix Material UNIX® Commands Table Command name: cd Command properties Your response Common parameters -L force symbolic links to be followed -P Use the physical directory structure without rolling symbolic links Primary use This command is used when chaining the directories are required Common results (including errors) Change the current directory. IF an error message appears it will state directory does not exist. Command name: ls Command properties Your response Common parameters
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Data Processing Data Processing is the term generally used to describe what was done by large mainframe computers from the late 1940’s until the early 1980’s (and which continues to be done in most large organizations to a greater or lesser extent even today): large volumes of raw transaction data fed into programs that update a master file‚ with fixed-format reports written to paper. Number System A numeral system (or system of numeration) is a writing system for expressing numbers‚ that is
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The purpose of the Chain of Command is to install structure‚ discipline and respect into newer enlisted soldiers. Each branch has its own secretary that assigns forces under their jurisdictions to unify and specific combatant commanders they perform missions and report back to their chain of command. The chain of command starts with the Commander-in-Chief and works its way down to the lowest ranking private in the Army. Within the military‚ the chain of command is a method for leading and communicating
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