Tell Me Why

XXV: Computers This volume answers questions children ask about Computers such as: "What can you do with a computer?", "What is a Motherboard?" "How does one computer communicate with another computer?" "What is the difference between a bit and a byte?" "What is a computer file?" Each video comes complete with its own printed Study Guide containing a glossary, additional questions and suggested learning strategies. Running time: 30 min. K647 $19.95 Spanish K6475 $19.95 K647DVD $29.95 K6475DVD $29.95