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1914 H. Pender Amer. Handbk. Electr. Engineers 961 With large motors it is desirable to use a generator as a load in making an input-output test.

1947 Math. Tables & Other Aids Computation 2 363 Another important element of the automatic computer which affects the compromise is the input-output mechanism.

1953 Economist 26 Sept. 870/1 An input-output analysis of the British economic structure..will be ready by 1956.

1953 Economist 26 Sept. 870/2 Mr. Roger Keyes..recently ordered the suspension of work on American input-output data; the colleagues he left behind..used to share his mistrust of input-output.

1964 J. Gould & W. L. Kolb Dict. Social Sci. 452/2 Input-output tables show the interrelations among the major industry groups of the economy... Tables or matrices are constructed which show the goods-and-services inputs and outputs of each on a ‘from-whom to whom’ basis.

1964 T. W. McRae Impact Computers on Accounting ii. 38 The introduction of magnetic tapes..facilitates the compact storage and fast input-output of large files.

1967 Technol. Week 23 Jan. 11/1 (advt.) Sigma 5..does foreground real-time control..and high-speed input/output.

1970 Sci. Amer. Oct. 94/2 Ordinarily it is difficult to measure the input-output relations of an ecosystem, particularly those involving nutrients.

1970 Sunday Times 29 Nov. 68/6 Input-output tables are brought into play to help estimate that trading profits per vehicle exceed manual pay for the men who make it.