What kind of device was Disk II?

What kind of device was Disk II?

Floppy Disk
The Disk II Floppy Disk Subsystem, often rendered as Disk ][, is a 51⁄4-inch floppy disk drive designed by Steve Wozniak at the recommendation of Mike Markkula, and manufactured by Apple Computer, Inc.

Did the Apple II have a hard drive?

Apple offered its first branded hard drive in 1981. The Profile was a 5 MB drive that cost $3499. It was not until 1983 that they began to sell the Apple II Profile Interface Card to allow it to be used on the Apple II, and then only for ProDOS or Pascal.

When was disk2 invented?

This article includes information originating from Wikipedia. The Disk II was a 5¼-inch floppy disk drive designed by Steve Wozniak and manufactured by Apple Computer. It was first introduced in 1978 at a retail price of US$495 for pre-order; it was later sold for $595 including the controller card and cable.

How did Apple 2 change the world?

This revolutionary machine changed what people expected from the computer and invented a market that no one had known was possible. For the first time ever, Apple had put computers in the hands of the average American family, and our families were never the same again.

Why was the Apple 2 so popular?

The Apple II was the first personal computer to achieve significant commercial success. At the time, it was conventional for PCs to be sold as kits, with the user acquiring components such as the keyboard and power supply separately. That’s how Apple’s first product, the Apple I, had been sold.

What kind of hard disk did the Macintosh 2 have?

The Macintosh II had drive bays for an internal hard disk (originally 40 MB or 80 MB) and an optional second floppy disk drive. It, along with the Macintosh SE, was the first Macintosh computer to use the Apple Desktop Bus (ADB) introduced with the Apple IIGS for keyboard and mouse interface.

When did the first floppy disk drive come out?

The success of the Apple II made the 5.25-inch drive the industry standard. The vast majority of CP/M-80 PCs, from the late 70s to early 80s, used this size floppy drive. When the first IBM PC arrived in 1981, you had your choice of one or two 160 kilobyte (K—yes, just one K) floppy drives.

Who is the founder of the disc model?

The DiSC model of behavior was originally proposed by William Moulton Marston, a physiological psychologist with a Ph.D. from Harvard. His 1928 book, Emotions of Normal Peopl e, established the theories that were later expanded by many others. History of DiSC.

How is the disc used in the workplace?

DiSC® is a personal assessment tool used by more than one million people every year to help improve teamwork, communication, and productivity in the workplace. A common language The DiSC ® model provides a common language people can use to better understand themselves and those they interact with—and then use this knowledge to reduce