31. The saturable inductor is made of small and thin magnetic core wound with a coil around it. 32. Two magnetic cores are used because the AC current will generate high voltage in the control windings. 33. The X1 was a solid-state binary computer ( " completely transistorized " ) with magnetic core memory. 34. The fourteenth 702 was built using magnetic core memory and the others were retrofitted with magnetic core . 35. The magnetic core had two advantages. 36. The magnetic core memory revolutionized computing. 37. Another unusual feature is the use of magnetic cores not only for memory but also as logic gates. 38. In 1955 the first completely transistorized calculator with magnetic cores for dynamic memory, the IBM 608, was introduced. 39. External core lamps are basically fluorescent lamps with magnetic cores wrapped around a part of the discharge tube. 40. These are called " soft " ferromagnets, and are used to make magnetic cores for transformers and inductors.
