15-213 Introduction to Computer Systems
Lecture 3: Integers

  • Reading: Ch 2.2-2.3
  • Slides: none
  • Code: none
  • Concepts:
    • Unsigned numbers, modular arithmetic
    • Abelian groups and rings
    • Two's complement representation
    • Integral types in C
    • Type conversions
    • Sign extension
    • Arithmetical and logical shift
  • Previous lecture: Bits and Bytes
  • Next lecture: Floating Point

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Frank Pfenning