For many years CDs were the only digital form of music available. They were not invented by RCA. The first compact disc was invented by James Russell. At the time Russell worked for General Electric.
Compact disc
Compact disc
1939
In 1949, RCA created the very first ever 45 rpm Vinyl record. It was 18 centimeters in diameter and also it gave about three minutes of time on each side. It was light, compact, and much more durable then the previous models.
A1a
Elvis' very first album is "Elvis Presley", released by RCA Victor records, March 23, 1956. It's catalog number is LPM-1254.
RCA Records
RCA was created in 1919.
1963 Philips introduced the compact audio cassette medium for audio storage in Europe in 1963, and in the United States in 1964, under the trademark name Compact Cassette. Although there were other magnetic tape cartridge systems, the Compact Cassette became dominant as a result of Philips's decision in the face of pressure from Sony to license the format free. It went on to become a popular (and re-recordable) alternative to the 12 inch vinyl LP during the late 1970s. source: wikipedia article for Compact Cassette.
RCA demonstrated the first all electronic television in1932. Colour came in the 1950s.
His first RCA single was "Heartbreak Hotel" released in January 1956
his first top ten hit was his first RCA victor release Heartbreak Hotel