By: Associated PressIt's been a big week for tech gadgets. Microsoft started selling its Windows 8 operating system and Surface tablet computer. Apple announced new iPads and Mac computers. Samsung launched a giant smartphone.
But there's more: Microsoft has an announcement Monday on its Windows phone system. Google has one on its Android system for mobile devices. The search company may use that event to announce new gadgets to complement its Nexus 7 tablet computer.
Later in the week, Barnes & Noble Inc. will start shipping new Nook devices, while Apple's new iPads, including a smaller one, will be out.
These are some of the gadgets to expect for the holidays:
-- APPLE DEVICES
Apple has done well selling its full-sized tablet computer, which has a screen that measures nearly 10 inches diagonally. But companies such as Amazon.com Inc. and Google Inc. have made inroads selling tablets with smaller, 7-inch screens and lower price tags.
To maintain its dominance, Apple will start shipping the iPad Mini next Friday. It will have a 7.9-inch screen, making it slightly larger than those smaller rivals but about two-thirds the size of a regular iPad.
The iPad Mini starts at $329, well above the $159 starting price for Amazon.com Inc.'s Kindle Fire and $199 for Google Inc.'s Nexus 7. Both have 7-inch screens. The Mini will be just $70 cheaper than the 2011 iPad 2, which is still available.
Unlike its rivals, Apple will make a version of the iPad Mini that can access cellular networks from AT&T, Verizon and Sprint. That version will start at $459, compared with $629 for the full-sized cellular model.
Apple began taking advance orders Friday. The white version of the iPad Mini quickly sold out on Apple's website, with deliveries now expected in two weeks rather than one. As of Friday afternoon, the black iPad Mini was still available for next Friday.
Apple is also refreshing its full-sized iPad, giving it a faster processor and faster Wi-Fi capabilities. Advance orders started Friday as well, with shipments in a week.
Meanwhile, Apple has unveiled a 13-inch version of a MacBook Pro with sharper, "Retina" display, complementing the 15-inch version unveiled in June. Apple also updated its iMac line.
Last month, Apple began selling its iPhone 5. The new phone is bigger, but thinner than previous models and works with faster cellular networks known as 4G.
-- PHONE RIVAL
Apple's leading rival, Samsung Electronics Co., came out with a new version of its flagship phone, the Galaxy S III, months ago. But Samsung is known for releasing products throughout the year, each targeted at a different base of consumers.
For those who like to work with a stylus, the Galaxy Note II smartphone came out this week. T-Mobile, Sprint and U.S. Cellular are selling it now. Verizon and AT&T are taking advance orders for shipments in the coming weeks.
The Note comes on the heels of Samsung's campaign touting its Galaxy S III phone as its "next big thing." The Note is even bigger, with a 5.5 inch screen, compared with the S III's 4.8 inches and the iPhone 5's 4 inches, all measured diagonally.
The Note runs the latest version of Google's Android system, Jelly Bean.
-- TABLET RIVALS
Amazon's 7-inch Kindle Fire is one of the smaller tablets with decent sales. Last month, it started shipping an updated version with a faster processor, more memory and longer battery life. It also cut the price to $159, from $199, making it far cheaper than the iPad, which starts at $399.
Amazon is also releasing higher-end models under the Kindle Fire HD line. A 7-inch one goes for $199 and an 8.9-inch one for $299. There's also a $499 model that can use the 4G cellular networks that phone companies have been building. A data plan will cost an extra $50 a year. The smaller HD model is already available, while the larger ones will be available Nov. 20.
Barnes and Noble Inc. is also updating its Nook tablets. The new Nook HD will come in two sizes, one at 7 inches (starting at $199) and one at 9 inches (starting at $269). They will be out Thursday.
In addition to the new HD screen and a lighter body, Barnes & Noble is increasing the services the Nook offers. It's adding a video purchase and rental service, allowing users to maintain different profiles and making it easier to browse titles in its book and magazine stores.
Google has an event in New York on Monday. All the company is saying is that it has to do with Android. Google started selling the Nexus 7 over the summer and could use the event to announce an update.
Toys R Us, meanwhile, is making a 7-inch Tabeo tablet aimed at children. It goes for $150.
-- CALLING ON WINDOWS
Microsoft Corp. released a new version of the Windows operating system on Friday, one that's designed to work on both traditional computers and tablet devices. Desktops, laptops and tablet computers with Windows 8 started going on sale Friday.
Microsoft also released its own tablet computer, the Surface. It's new territory for Microsoft, which typically leaves it
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