2.3.1 Hexadecimal and Octal Number Systems Introduction We all know that digital electronics use the binary number system. However‚ with new computers containing 32‚ 64‚ and even 128 bit data busses‚ displaying numbers in binary is quite cumbersome. For example‚ a single piece of data on a 64-bit data bus would look like this: 0110100101110001001101001100101001101001011100010011010011001010 Obviously‚ presenting data in this form would invite error. For this reason we use the hexadecimal (base
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=(51)10 (198)12 = 1x122+9x121 + 8x120 = (260)10 ( 1110101.11)2 = 1x26+1x25+1x22+2x21 + 1x20 = 4. Covert the following decimal numbers to the indicated bases: (4) (a) 7562.45 to octal (b) 1938.257 to hexadecimal (c) 175.175 to binary 5. Convert the hexadecimal number F3A7C2 to binary and octal (2) 6. Add the following numbers without converting to decimal (6) (11010101)2 and (01010111)2 7. Determine the value of the base x if (211)x = (152)8 . (4)
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The Hexadecimal Company I. Problems A. Macro 1. Company resistance to change. 2. “Us” versus “them” view of practitioners forms company’s viewpoint. B. Micro 1. Professor/external practitioner ended too soon; did not provide direction or continuity. 2. “In-group” image perpetuated by OD group. 3. President too involved in details at beginning. 4. “Internal” consulting group was mostly outsiders and not accepted by the company at large. 5. OD group had little familiarity with nature of
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Follow all of the committee ’s recommendations and get on with the program under the jurisdiction of the human resources department . Let Kay and Pete resign and look for people for the OD program who are compatible with the culture of the Hexadecimal Company . Follow some of the committee ’s recommendations save for designating a central contact person ‚ and still allow all OD group members to contact Zoltan directly . Stop the OD program altogether and look for another way to help the
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Digital Computer Electronics Third Edition Albert Paul Malvino‚ Ph.D. Jerald A. Brown ~ 1 I I- I I I I I _j 1 I I I GLENCOE McGraw-Hill New York‚ New York Columbus‚ Ohio Woodland Hills‚ California Peoria‚ Illinois This textbook was prepared with the assistance of Publishing Advisory Service. LSI circuit photo: Manfred Kage/Peter Arnold Inc. To my wife‚ Joanna‚ who encourages me to write. And to my daughters‚ Joanna‚ Antonia‚ Lucinda‚ Patricia‚ and Miriam‚ who keep me young. -A.P
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expression to assembly language X = (Y * 4) + 3 13. What is the duration of a single clock cycle (in nanoseconds) in a 3.4 GHz processor? 14. What is the l6-bit hexadecimal representation of each signed decimal integer? a. - 2 6 b. - 4 5 2 15. The following 16-bit hexadecimal numbers represent signed integers. Convert to decimal. a. 7CAB b. C123 16. What is the decimal representation of the following signed binary numbers?
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the binary count to miles per hour. 1-2. –34° quantizes to –30° => 1 V => 0001 +31° quantizes to +30° => 7 V => 0111 +77° quantizes to +80° => 12 V => 1100 +108° quantizes to +110° => 15 V => 1111 1-3.* Decimal‚ Binary‚ Octal and Hexadecimal Numbers from (16)10 to (31)10 Dec Bin Oct Hex 1-4. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 0000 1 0001 1 0010 1 0011 1 0100 1 0101 1 0110 1 0111 1 1000 1 1001 1 1010 1 1011 1 1100 1 1101 1 1110 1 1111 20 21
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Computer Science PLUS I Volume 1 : Concepts Government of Tamilnadu © Government of Tamilnadu First Edition – 2005 Chairman Syllabus Committee Dr. Balagurusamy E‚ Vice Chancellor‚ Anna University‚ Chennai Co-Ordinator Textbook Writing Dr. Sankaranarayanan V‚ Director‚ Tamil Virtual University‚ Chennai Authors Dr. Elango S‚ Government Arts College‚ Nandanam‚ Chennai Dr. Jothi A‚ Former Professor‚ Presidency College‚ Chennai Mr. Malaiarasu P ‚ Government Arts College‚ Nandanam‚ Chennai Dr. Ramachandran
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Binary System | 6 | | 4.3 | Hexadecimal System | 7 | | 4.4 | Octal system | 8 | 5. | Algorithms | 9 | 6. | Solved Examples | 14 | 7. | Programs | 18 | 8. | Advantages | 36 | 9. | Applications | 37 | 10. | References | 37 | | | | | TITLE: CONVERSION OF NUMBER SYSTEMS SUBTITLE: 1. Conversion of binary to decimal number system 2. Conversion of octal to decimal number system 3. Conversion of hexadecimal to decimal number system 4. Conversion
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representation internally (although many early computers‚ such as the ENIAC or the IBM 650‚ used decimal representation internally). For external use by computer specialists‚ this binary representation is sometimes presented in the related octal or hexadecimal systems. For most purposes‚ however‚ binary values are converted to or from the equivalent decimal values for presentation to or input from humans; computer programs express literals in decimal by default. (123.1‚ for example‚ are written as such
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