Apple announced an updated version of its Mac Book Air laptop on Monday, the first update to the popular-yet-aging device in more than 800 days.
However, the upgrade is extremely minor: Apple only says that the 13-inch Mac Book Air now starts with a 1.8 GHz processor.
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It was based on an Intel 8085 processor, 8-bit, clocked at 2 MHZ.
It was equipped with a central 64K bite Ram, a keyboard with 58 alpha numeric keys and 11 numeric keys ( separate blocks ), a 32-character screen, a floppy disk : capacity = 140 000 characters, of a thermal printer : speed = 28 characters / second, an asynchronous channel, a synchronous channel, a 220V power supply. It had no battery, a 5 in (13 cm) cathode ray tube (CRT) screen, and dual 5.25 in (13.3 cm) single-density floppy drives.
The term "notebook" appears to have gained currency somewhat later as manufacturers started producing even smaller portable devices, further reducing their weight and size and incorporating a display roughly the size of A4 paper; these were marketed as notebooks to distinguish them from bulkier laptops.
As the personal computer (PC) became feasible in 1971, the idea of a portable personal computer soon followed.
Hardware specifications, such as the processor speed and memory capacity, significantly vary between different types, makes, models and price points.The updated Mac Book Air is available to order through Apple's online store now.Apple says retail availbility will begin on June 7.Design elements, form factor and construction can also vary significantly between models depending on intended use.Examples of specialized models of laptops include rugged notebooks for use in construction or military applications, as well as low production cost laptops such as those from the One Laptop per Child (OLPC) organization, which incorporate features like solar charging and semi-flexible components not found on most laptop computers.A standard laptop combines the components, inputs, outputs, and capabilities of a desktop computer, including the display screen, small speakers, a keyboard, hard disk drive, optical disc drive pointing devices (such as a touchpad or trackpad), a processor, and memory into a single unit.Most modern laptops feature integrated webcams and built-in microphones, while many also have touchscreens.Beyond that, Apple did not announce any changes to the new Mac Book Air’s display or general design, so the rest of the laptop is about the same.That's not ideal: While the Air’s keyboard, trackpad, battery life, and general build quality are still above-average, the display is less vivid and substantially less sharp than competing laptops these days.It weighed 12 kg and its dimensions were 45cm x 45cm x 15cm. Both Tandy/Radio Shack and Hewlett Packard (HP) also produced portable computers of varying designs during this period.The first laptops using the flip form factor appeared in the early 1980s.