First Computers

By Charles A. Jortbert and Charles A. Jortberg

Surveys the history of devices leading up to modern computer systems, from ancient celestial calculators and abacuses to punched card systems and the Univac.

• Format: Library Binding
• Language: English
• ISBN: 1562397230
• ISBN13: 9781562397234
• Release Date: March 1997
• Publisher: ABDO & Daughters
• Length: 48 Pages
• Weight: 0.78 lbs.
• Dimensions: 0.3" x 8.0" x 10.0"
• Age Range: 9 to 11 years
• Grade Range: Grades 4 to 6