KENDRIYA VIDYALAYA SANGATHAN JAMMU REGION . STUDY/SUPPORT MATERIAL 2011-12 CLASS: XII Computer Science ACKNOWLEDGEMENTS Chief Patron Shri Avinash Dikshit Commissioner KVS‚ New Delhi Patron Shri P. K. Koul Assistant Commissioner KVS‚ Jammu Region Guidance
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13 Prof. Anatoly Sachenko Computer Hardware I. LECTURE OVERVIEW Foundation Concepts: Computer Hardware‚ reviews trends and developments in microcomputer‚ midrange‚ and mainframe computer systems; basic computer system concepts; and the major types of technologies used in peripheral devices for computer input‚ output‚ and storage. Computer Systems – Major types of computer systems are summarized in Figure 13.2. A computer is a system of information processing components that perform
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Computer Technology Being a kid sitting around with your friends‚ there was always that one person this said‚ do you think this will ever happened? When I grow up all I will have to do will say door open to get in my house‚ everything else will be done for me. now‚ much to my surprise this day has now arrived. The arrival and utilization of computers in today’s world is absolutely unbelievable. Things can be done with computers that could have never been done in the past. we have security
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Abstract The computers that were chosen are the Dell Inspiron One Desktop‚ Lenovo’s M29p Small Desktop and HP Pavilion p6-2120. They were chosen because there all basic family computers that you would see in a typical family household. During this time certain items shall be focused on such as price and processor speed. Unit 4 Comparing Computers The three computers that I chose to compare are from Dell and there New Inspiron One 23 All-in-One Desktop‚ Lenovo’s M92p Small Desktop and
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Computer Associates Ethics Paper Brief Summary: Based in Islandia‚ N.Y.‚ Computer Associates dominated the market for mainstream utility software‚ programs that helped the computers used by big companies run more efficiently. The company also offers security & storage software. Computer Associates used variety of tricks to inflate its reported profits during the 1990’s. In October 2000‚ the company changed the way it sold software and the way it reported its sales. The Securities and Exchange
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CHAPTER ONE COMPUTER SYSTEM FUNDAMENTALS 1.1 Computer System as a Universal Tool A computer system is an electronic device that accepts inputs; transform the input through some processes to obtain output or information that can aid effective decision making. Information originated from raw data which by its own simple definition is any raw fact or figure that can be subjected to a form of manipulation before it can be trusted for decision making. Data can originate from various sources depending
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Chapter 2 REVIEW OF RELATED LITERATURE AND STUDIES This chapter consists of information gathered from studies and literature‚ both local and foreign which have extensive bearing on or relative to the problem under study. Chapter 2 also presents the theoretical / conceptual framework of the study. Theoretical/ Conceptual Framework A graphical representation of all the factors that make up a process. An input-process-output diagram includes all of the materials and information required for the
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turned for the worst. Specifically speaking‚ video games. Video games in its early years were meant for a positive use‚ much like any other type of game; to simply act as a fun activity to pass time. That is not the case anymore because of how dangerously advanced and addicting video games can be. In fact it’s so dangerous nowadays that countries like South Korea are contemplating whether or not to ban video games. Why is it dangerous? Video games influence a type of negative social behavior‚ has
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today’s society‚ almost every household has at least one computer if not more. In fact‚ it is not strange to walk in to a house that has two or three computer. Computers are all the same in one way or another‚ although they do vary from sizes to capabilities. Laptop computer and Desktop Computer are two computers that are similar but different. A Laptop computer is considered top of the by almost anyone who knows about them. A laptop computer can cost a person any where from eight hundred dollars
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A. VOLATILE MEMORY Volatile memory‚ also known as volatile storage‚ is computer memory that requires power to maintain the stored information‚ unlike non-volatile memory which does not require a maintained power supply. It has been less popularly known as term Dynamic random access memory (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge‚ the information eventually fades unless the capacitor
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