Computer Crime This type of crime is the illegal exploitation of computer technologies‚ usually involving the Internet‚ to support crimes such as fraud‚ identity theft‚ sharing of information‚ and embezzlement. Exactly what is illegal varies greatly from state to state. Consequently‚ the growth of international data communications and in particular the Internet has made these crimes both more common and more difficult to police. Luckily there are people fighting computer crime and it is taken very
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Questions: Q1. A laser printer uses a) Raster scan b) Camera lens c) Heat sensitive paper d) None of these Q2. A Plotter is a) An input device to produce good quality graphics b) An output device to produce drawings and graphics c) A fast output device using camera lenses d) None of these Q3. Main memory stores a) Data only b) Program only c) Data‚ Program and result or any other kind of information d) None of these Q4. A smart
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Computer graphics This article is about graphics created using computers. For the article about the scientific study of computer graphics‚ see Computer graphics (computer science). For other uses‚ see Computer graphics (disambiguation). [pic] Computer graphics are graphics created using computers and‚ more generally‚ the representation and manipulation of image data by a computer. The development of computer graphics‚ or simply referred to
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History of Computer Introduction Man’s progress is measured by sophistication of his tools. First‚ he discovered how to control fire. Eventually‚ he invented the wheel. He built boats and earned to harness the wind. As soon as commerce developed in the early societies‚ people recognized the need to calculate and keep track of information. They soon devised simple computing devices and bookkeeping systems to enable them to add‚ subtract‚ and simple record transactions. Today‚ we are witnessing
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Data Warehouse Concepts and Design Contents Data Warehouse Concepts and Design 1 Abstract 2 Abbreviations 2 Keywords 3 Introduction 3 Jarir Bookstore – Applying the Kimball Method 3 Summary from the available literature and Follow a Proven Methodology: Lifecycle Steps and Tracks 4 Issues and Process involved in Implementation of DW/BI system 5 Data Model Design 6 Star Schema Model 7 Fact Table 10 Dimension Table: 11 Design Feature: 12 Identifying the fields from facts/dimensions: MS: 12 Advanced
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doctor has charted Dexter’s mass and related it to his BMI (Body Mass Index). A BMI between 20 and 26 is considered healthy. The data is shown in the following table. Mass(kg)62 72 66 79 85 82 92 88 BMI 19 22 20 24 26 25 28 27 (a) Create a scatter plot for the data. (b) Describe any trends in the data. Explain. (c) Construct a median–median line for the data. Write a question that requires the median– median line to make a prediction. (d) Determine the equation of the median–median line
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will provide the needed and storing information in a faster‚ more convenient way by storing file of the student enrollees in a computer system that will lessen the effort of faculty staff in storing files of each student every now and then. An enrollment system also serves as information especially for the irregular students‚ freshmen‚ transferee‚ and professor in able to get access in course‚ subject‚ professor‚ and student enrollees‚ but is designed for use by staff and other authorized user in
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has long been recognized as a threat to human health as well as to the Earth’s ecosystems. Types of Pollutants Primarily air pollutants -can be caused by primary sources or secondary sources. The pollutants that are a direct result of the process can be called primary pollutants. A classic example of a primary pollutant would be the sulfur-dioxide emitted from factories Secondary pollutants -are the ones that are caused by the inter mingling and reactions of primary pollutants. Smog created
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University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations 2011 Contents 1. Introduction ............................................................................
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BASIC STRUCTURE OF COMPUTERS FUNCTIONAL UNITS A computer consists of five functionally independent main parts. They are‚ ➢ Input ➢ Memory ➢ Arithmetic and logic ➢ Output ➢ Control unit Basic functional units of a computer [pic] The operation of a computer can be summarized as follows The computer accepts programs and the data through an input and stores them in the memory.The stored data are processed by the
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