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218L9S09

# 218L9S09 - Topics for Test 1 Number systems and codes 1...

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2/24/09 ESE218 Spring 2009 Review 1 1 Topics for Test 1 Number systems and codes 1. Binary, Octal, Hexadecimal Conversions to/from decimal numbers 2. Decimal codes Weighted codes: BCD (=8421), 2421 Self-complementing codes: 2421, Excess-3 3. Representation of negative numbers 1’s and 2’s complements for binary numbers 9’s and 10’s complements for decimal numbers with use of self-complementing codes 4. Binary arithmetic Addition of binary numbers Subtraction of binary numbers by addition of a 2’s complement Addition of BCD numbers 5. Reflective Gray code 6. Error detection and correction: code distance Parity generation and checking (no Hamming codes)

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2/24/09 ESE218 Spring 2009 Review 1 2 Topics for Test 1 Switching (Boolean) algebra and algebraic manipulations 1. Axioms and theorems including Distributive law DeMorgan’s law Consensus property 2. Switching functions functions of two variables extension to 3 and more variables 3. Standard forms SOP and POS, form conversion minterms and Maxterms, specification of functions with numbers Canonical forms (using minterms or Maxterms), form conversion
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• Spring '08
• DONETSKY
• Binary numeral system, Binary-coded decimal, binary numbers Subtraction, Decimal codes Weighted, Binary arithmetic Addition

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218L9S09 - Topics for Test 1 Number systems and codes 1...

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