Interactive Input/Output

• User-friendly i/o consists of a cout for the prompt and a cin for the entry
  
  
• Should have one cin for each entry expected from the user
  
  
• Echo (display) the entries at the end with the output
  
  
• Remember who the user is when creating prompts
  
  
• Novice users need more verbose prompting; ask for inputs one at a time
  
  
• An experienced user who wants to enter data quickly can handle multiple inputs per line
  
  
• Error checking later