Daily Apple Quiz

Adobe Photoshop over the years

Originally written on a Macintosh Plus by a doctoral candidate named Thomas Knoll, the computer program that came to be known as Adobe Photoshop officially celebrates its 20th birthday this month. And what a 20 years its been!

The first versions of Photoshop were only available on the Macintosh. This was one of the things that cemented Apple’s reputation as the leader in the field of desktop publishing.

Often hailed as the single most important aspect of the program’s development, which version of Photoshop was the first to include support for layers?

Think you know the answer? Post a response in the comments — we’ll post the answer tomorrow.

Mac OS X v10.0 “Cheetah” – the first of the big cats

Even amidst the recent talk of Apple rejecting apps, there’s no doubt that the sheer variety and scale of applications available in the iTunes App Store has fueled the sales of the iPhone and iPod touch. The iPhone is great. The applications make it even better.

On a related note, when the first version of the Mac OS X (“Cheetah”) was released in 2001, Apple made a big deal about the fact that most major applications from OS 9 had been ported to the new operating system. Unfortunately for Apple there was one core group of users — a group of users quite loyal to the Mac platform — that was reluctant to upgrade because one core application hadn’t been ported to OS X.