15213 Introduction to Computer Systems
Lecture 3: Integers
 Reading: Ch 2.22.3
 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
