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pulse code modulation

(Encyclopedia)pulse code modulation: see modulation. ...

Quick Response code

(Encyclopedia)Quick Response code: see barcode. ...

American Standard Code for Information Interchange

(Encyclopedia)American Standard Code for Information Interchange: see ASCII. ...

SOS

(Encyclopedia)SOS, code letters of the international distress signal. The signal is expressed in International Morse code as … — — — ……———… (three dots, three dashes, three dots). This c...

Field, David Dudley

(Encyclopedia)Field, David Dudley, 1805–94, American lawyer and law reformer, b. Haddam, Conn.; brother of Cyrus W. Field and Stephen J. Field. He was graduated from Williams (1825), studied law in Albany and New...

Ur-Nammu

(Encyclopedia)Ur-Nammu ŭr-nämˈo͞o [key], fl. 2060 b.c., king of the ancient city of Ur, sometimes called Zur-Nammu or Ur-Engur. He founded a new Sumerian dynasty, the third dynasty of Ur, that lasted a century....

barcode

(Encyclopedia)CE5 Barcode barcode, computer coding system that uses a printed pattern of lines and bars to identify such things as products, mail and packages, and customer accounts; the term also is used for s...

Hadley, Herbert Spencer

(Encyclopedia)Hadley, Herbert Spencer, 1872–1927, American lawyer, b. Olathe, Kans. As attorney general of Missouri (1905–9), he successfully prosecuted the Standard Oil Company for violating the state antitrus...

Hammurabi

(Encyclopedia)Hammurabi hämo͝oräˈbē [key], fl. 1792–1750 b.c., king of Babylonia. He founded an empire that was eventually destroyed by raids from Asia Minor. Hammurabi may have begun building the tower of B...

Hays, Will H.

(Encyclopedia)Hays, Will H., 1879–1954, American politician and motion-picture executive, b. Sullivan, Ind.; his original name was William Harrison Hays. Hays became active in Indiana political affairs, was chair...