Buddy Ace Buddy Ace Jimmie Lee Land, known as Buddy Ace (November 11, 1936 – December 25, 1994) was an American Texas blues singer, billed as the "Silver Fox of the Blues." Born in Jasper, Texas, he was raised in Baytown near Houston, and began his career by singing gospel in a group that included Joe Tex. He joined up with other blues singers, Bobby "Blue" Bland and Junior Parker, before signing to Duke/Peacock Records in 1955 and agreeing to be credited as "Buddy Ace", a name previously used by the late Johnny Ace's brother, St. Clair Alexander. He recorded a string
Pilot ACE arithmetic. After that, James H. Wilkinson became an expert and wrote a book on rounding errors in floating-point calculations, which eventually sold well. Pilot ACE used approximately 800 vacuum tubes. Its main memory consisted of mercury delay lines with an original capacity of 128 32-bit words, which was later expanded to 352 words. A 4096-word drum memory was added in 1954. Its basic clock rate, 1 megahertz, was the fastest of the early British computers. The time to execute instructions was highly dependent on where they were in memory (due to the use of delay line memory). An addition could