This computer marked a significant improvement on the Macintosh Plus design, had with slight differences a similar case to the original Macintosh computer. Apple introduced the Macintosh SE, the Macintosh SE FDHD with the new SuperDrive in 1989 01, produced ten SEs as prototypes with transparent cases. Single-floppy SE models featured also a drive-access light in the spot. The Additionally SE had a Processor Direct Slot be upgraded than 5 MB to 50 MHz, were the first Apple computers use only Single Sided, Double Density, Double Density, floppy disks.
The past other accelerators were also available such as the Sonnet Allegro. The Instead customer was offered the choice of the new ADB Apple Keyboard.
Assembly language is a low-level programming language