15-213 Introduction to Computer Systems
Lecture 3: Integers

• Reading: Ch 2.2-2.3
• Slides: none
• Video: Lec 3
• Code: show-bytes.c
• 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