1 Key 1 to Key 2 is the first half step. 2  Key 2 to Key 3 is the second half step. 3  An accidental is a sign used to raise or lower the pitch of a note. 4  The first accidentals that we will discuss are the flat and the sharp. 5  The flat lowers a note by a half step while the sharp raises a note by a half step.
Ed Roberts, the president of MITS Incorporated, who designed and built the Altair. A supporting cast at Ziff Davis (publisher of Popular Electronics), and at MITS in Albuquerque, composed of Don Lancaster, Forrest Mims, and David Bunnell, who are well known in the personal computer industry, and a lot of people not so well known.
But it was much more a labor of love. Ed Roberts in an interview. My assumption was that there were a bunch of nuts out there like me that would like to have a computer. To engineers and electronics people, it's the ultimate gadget. Ed Roberts in a 1997 interview with the Atlanta Journal-Constitution. Front cover of the January 1975 issue of Popular Electronics, announcing Ed Roberts Altair. It signaled the beginning of the PC industry. Henry Edward Roberts was born on September 13, 1941, in Miami, Florida.