berapakah berat komputer pertama ?
ENIAC
H. H. Goldstine, A. Goldstine, The Electronic Numerical Integrator and Computer (ENIAC), 1946
J. Presper Eckert, The ENIAC (di Nicholas Metropolis, J. Howlett, Gian-Carlo Rota, (editor), A History of Computing in the Twentieth Century, Academic Press, New York, 1980, hal. 525-540)
John W. Mauchly, The ENIAC (di A History of Computing in the Twentieth Century, hal. 541-550)
Arthur W. Burks, Alice R. Burks, The ENIAC: The First General-Purpose Electronic Computer (di Annals of the History of Computing, Vol. 3 (No. 4), 1981, pp.310–389; komentar hal. 389-399)