Computer hardware and software are useful and convenient holiday gifts for home-based business executives. The recommended items include DOS 5.0 for $79 to $99, Windows 3.0 graphics software at about $99, real-time data compression software at about $200 and print spooling software at about $99. Other options are a tape backup system for about $300 to $350, typing tutor software for about $100 to $125, a laser printer for about $800 to $900 and a simple commercial window cleaner for just two ...