1. [Smith] What must an OS for a real-time system do differently than a conventional OS? 2. [Brewer] What is a network computer, and what are its advantages over a PC? If there is a disk, what should it be used for? How would a typical large application (like Excel or Emacs) be run? How does Java fit in? 3. [Smith] What support could the OS provide for conserving power on a laptop? 4. [Brewer] What is wrong with RAID? (Small writes.) How has this problem been dealt with? (See Zebra and HP AutoRAID.)