they all have five basic parts: input equipment‚ main memory‚ the control unit‚ arithmetic/logic unit‚ output equipment. All data handled by digital computers‚ including words‚ are in form of digits. But the computers use only the two digits of binary number system – that is‚ 0 and 1. Different combinations of 0’s and 1’s represent letters and the various decimal
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Digital Electronics‚ 2003 BINARY CODED DECIMAL: B.C.D. • ANOTHER METHOD TO REPRESENT DECIMAL NUMBERS • USEFUL BECAUSE MANY DIGITAL DEVICES PROCESS + DISPLAY NUMBERS IN TENS IN BCD EACH NUMBER IS DEFINED BY A BINARY CODE OF 4 BITS. *** 8 – 4 – 2 – 1 MOST COMMON CODE 8 – 4 – 2 – 1 CODE INDICATES THE WEIGHT OF EACH BIT 23 – 22 – 21 – 20 E.G. 934 = 1001 0011 0100 9 3 4 FOR EACH DIGIT A BINARY [NORMAL] CODE IS ALLOCATED. OHER REPRESENTATION FORMS ARE 2-4-2-1 AND EXCESS-3 Ovidiu Ghita Page
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combination of bits. BCD to decimal conversion‚ looked at in part 3 of this lab‚ is accomplished using a decoder which has 4 input lines and 10 output lines (the 10 output lines correspond to the decimal numbers 0-9). This device is used to convert between binary numbers and decimal numbers. Encoders: An encoder performs the opposite function of a decoder. An encoder takes a input on one of its 2n input lines and converts it to a coded output with n lines. Part 1. Analysis of a Decoder Procedure:
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BS 21 (NS) II Semester B.Sc. (I.T.) Examination‚ December 2010/January 2011 INTRODUCTION TO C PROGRAMMING LANGUAGE (Freshers) Time: 3 Hours Max. Marks: 75 PART – A (10x2+5x1=25) Answer all the questions. 1. What is Flowchart? Write the different types of flowcharts. 2. What is an identifier? Write the rules to coining an identifier. 3. Define Pre-increment and Post-increment operators with an example. 4. What is Key Word? Mention any two. 5. Difference between – and --. 6. How you denote single
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HISTORY OF COMPUTERS The abacus was an early aid for mathematical computations. Its only value is that it aids the memory of the human performing the calculation. A skilled abacus operator can work on addition and subtraction problems at the speed of a person equipped with a hand calculator. The abacus is often wrongly attributed to China. In fact‚ the oldest surviving abacus was used in 300 B.C. by the Babylonians. The abacus is still in use today‚ principally in the far east. A modern abacus
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Was Propaganda the Main Reason for the Lack of Opposition Many people argue that Nazi Propaganda was the main reason for the lack of opposition towards the Nazi party. In this essay below the details of propaganda will be explored as well as other aspects that helped deal with the lack of opposition to the Nazi party. Propaganda is the use of media to promote only good ideas and values in the form of posters and radio. It helps people boost morale and also helps to win favour over people in
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How successful was the Nazi regime in dealing with opposition? Explain your answer. The Nazi regime dealt with opposition through a combination of persuasion and force. Nazi propaganda was so effective at portraying Hitler and the Nazi ideals in a positive light that many German people believed Hitler was a good leader and genuinely supported him. Others were too intimidated by potential consequences if they spoke against the regime that they did nothing. However‚ there were some who openly
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CSC 105 Midterm 1 Wed‚ Oct 13‚ 2010 NAME: ___________________________________________ DO NOT put your student number on THIS page. Marks will be deducted if a student number is found here. Lab Section you normally attend (it is okay to just put the day and time): ___________________________________CSC 105 Midterm 1 Wed‚ Oct 13‚ 2010 You are allowed 50 minutes Name:_____________________________ Student Number:_______________________ S Write your name
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How Successfully did Alexander III supress opposition? Despite what we learn of the slow-witted‚ brash and aggressive young man that the Tsarovich Alexander III was‚ it seems that in suppressing his opposition in Russia his strong-minded and definitive attitude worked to his advantage. He made his first major statement when he executed the five members of the people’s will responsible for the assassination of his father‚ publicly hanging them as a warning to others of his policy with regards to
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Computer And Network Fundamentals UG1 Coursework 1.1 By Marc William Fernandes Student number:S12766795 Security code:2628 Contents Computer And Network Fundamentals UG1 1 Contents 2 Introduction 3 Part A:Calculations 4 Part B:Research Questions 4 Part C: Computer Build 9 Appendix(Part A-Calculations) 12 Bibliography 20 References 21 Introduction This coursework is aimed to show 3 parts in
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