Apple II

The Apple II is a special computer.

It was made a long time ago. A man named Steve Wozniak designed it. It can show colorful pictures on a screen.

Many schools used these computers for work. Some models were small and easy to carry. They even had a handle to help you move them. The computer could also make sounds. It was a very famous machine.

The Apple II is a famous series of computers.

Steve Wozniak designed the first model. It went on sale in June 1977. This computer was a big step up from the Apple I. It was easier to use and had more features.

It could show text and colorful graphics. It even had a speaker for sound. The sound was made by software that clicked the speaker at just the right times. Many schools in America used these computers. They were very popular for business and families too.

The Apple IIe was the most popular model. It was made for many years. There were also other models like the Apple IIc. The IIc was a small and portable computer. It had a handle to help you carry it.

Apple sold about 6 million Apple II computers. This was a very long run for a computer series. The series lasted for 16 years.

The Apple II is a famous series of microcomputers.

It was made by Apple Computer, Inc. from 1977 to 1993. This series was very important for home and school use. It was a major step up from the older Apple I. The computer was much easier to use and had more features. It could also be expanded with new parts. This helped it become a very successful machine.

This computer works using a 6502 8-bit processor.

It can show text and two types of color graphics. The machine uses a special way to make sound. A software-controlled speaker provides one channel of low-fidelity audio. Instead of a sound chip, software clicks the speaker at just the right times to make music. The computer also has eight expansion slots on the motherboard. These slots let users plug in different parts. You can add more memory or even a disk drive.

Steve Wozniak designed the very first Apple II model.

It was first sold on June 10, 1977. Later, Apple made many other versions in the series. The Apple II Plus came out in June 1979. The Apple IIe arrived in 1983 and became the most popular model. This model was made for nearly 11 years. There was also a more advanced model called the Apple IIGS in 1986. This one used a 16-bit processor and had better sound.

Many interesting facts tell the story of this series.

Apple sold about 6 million units during its 16-year run. In 1983, they sold a peak of 1 million machines. The Apple IIe was the longest-lived Apple computer ever made. Some models were sold in other places like Europe and Japan. These were called the Apple II Europlus and the Apple II J-Plus. The Apple IIc was a compact and portable version. It even had a handle to help people carry it.

You might know the Apple II from school or work.

It was the first computer used widely in American secondary schools. It replaced an earlier leader called the Commodore PET. Many families and businesses used it because of new software. One famous program was a spreadsheet called VisiCalc from 1979. The Apple II also used a rainbow logo on its case. This logo showed off the computer's ability to show color. This rainbow design stayed with Apple for many years.

The Apple II is a highly influential series of microcomputers manufactured by Apple Computer, Inc.

It was produced from 1977 to 1993, spanning a sixteen-year era of computing history. Unlike many earlier microcomputers that were sold as kits for hobbyists to assemble, the Apple II was marketed as a finished consumer appliance. This design choice made it accessible to families and businesses rather than just engineers. The series represented a massive leap forward from its predecessor, the Apple I. It offered significantly better ease of use, more advanced features, and much greater expandability.

At its core, the original Apple II functioned using a MOS Technology 6502 8-bit microprocessor.

This processor ran at a speed of 1.023 MHz. The machine could display text and two different resolutions of color graphics. To produce sound, the computer used a unique software-driven method. Instead of using a dedicated sound-synthesis chip, it used a toggle circuit to click a built-in speaker. Software would trigger these clicks at specific intervals to generate music or speech. The motherboard featured eight expansion slots for adding new hardware. Users could plug in memory boards, serial controllers, or even networking components. This modularity allowed the computer to grow with the needs of the user.

The series evolved through several distinct models over its long production life. The original Apple II was followed by the Apple II Plus in June 1979. The II Plus included the Applesoft BASIC programming language in its ROM. In 1983, Apple released the Apple IIe, which became the most popular model in the series.

The IIe was a powerful machine that supported both upper and lowercase letters. It also featured a standard 64 KB of RAM. In 1984, Apple introduced the Apple IIc, which was a compact and portable unit.

This model featured a built-in handle and a unique off-white color. Finally, the Apple IIGS arrived in 1986. This model used a 16-bit 65C816 processor and offered much more advanced graphics and sound.

The history of the Apple II is tied to the work of key innovators. Steve Wozniak designed the original Apple II model, which first went on sale on June 10, 1977. Wozniak also created the Disk II floppy disk drive interface. This interface was considered an engineering masterpiece because of its efficient use of electronic components. As the series expanded globally, Apple released specialized versions for different markets. These included the Apple II Europlus for Europe and Australia, and the Apple II J-Plus for Japan. These models featured hardware and firmware changes to meet local standards. The series remained in production for a remarkably long time, with the IIe being discontinued in November 1993.

The commercial significance of the Apple II series was massive. During its sixteen-year run, Apple sold approximately 6 million total units.

This total includes about 1.25 million Apple IIGS models. Sales reached a peak in 1983, when the company sold 1 million units in a single year. Even after the Macintosh was introduced in 1984, the Apple II remained a financial powerhouse. In the first quarter of fiscal 1985, the Apple II series accounted for 85% of Apple's total hardware sales. This success helped establish Apple as a major player in the computer industry.

Many specific details highlight the versatility of the platform. For example, the Apple II could run specialized software like VisiCalc, a popular spreadsheet released in 1979.

The machine also supported the CP/M operating system through an optional Z80-based expansion card. This allowed users to run professional programs like WordStar and dBase II. The computer's ability to display color was so central to its identity that the Apple logo featured rainbow stripes. This colorful design remained a part of the corporate brand until 1998. Additionally, the power supply designed by Rod Holt used a switched-mode design. This allowed the machine to be smaller and run cooler than many competitors.

The Apple II series played a vital role in connecting technology to society. It was the first computer to see widespread use in American secondary schools. By providing volume discounts to educational institutions, Apple displaced the previous leader, the Commodore PET. This move helped integrate computing into the classroom for an entire generation of students. The platform also bridged the gap between home use and professional business environments. Because it could support over 1,500 different software programs, it became a tool for both education and industry. This versatility helped define the role of the personal computer in modern life.