Introduction to Digital Communications

Demonstrated by Samuel B. Morse in 1837

• Teletype

• Telegraph

• Telephone

• Teletext

The years transatlantic cable laid.

• 1858 and 1939

• 1866 and 1939

• 1858 and 1866

• 1958 and 1966

The year telephone is patented by (A.G. Bell)

• 1945

• 1902

• 1875

• 1876

Who invented the triode amplifier in the year 1906?

• H.R. Hertz

• F. Reintzer

• G. Marconi

• L. DeForest

Who demonstrated Television in 1929?

• E. Armstrong

• G. Stibitz

• J.P. Eckert

• V. K. Zworykin

Who demonstrated FM transmission in 1933?

• E. Armstrong

• G. Stibitz

• J. P. Eckert

• V. K. Zworykin

Who invented the Three-Legged Magician?

• W. Brattain

• J. Bardeen

• W. Shockley

• All of the above

What is the meaning of the Acronym ENIAC?

The year C.E. Shannon published the Theory of Information.

• 1940

• 1945

• 1948

• 1950

Who invented microchip?

• J. Kilby

• R. Boylestad

• R. Noyce

• both Kilby and Noyce