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También son portátiles.

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10. iPad Air 2 - $499: The iPad Air 2 came out originally in late 2014 and has been our mostly highly recommended tablet ever since. Apple decided to skip out on giving it an update in 2015 (instead opting to introduce the iPad Pro), leaving us wondering what Apple was going to do next with it's iPad Air line. We are now looking at a new springtime release date for the iPad Air 3 rather than the traditional October release, means the Air 2 will most certainly be getting a price reduction soon.

Normally, the iPad Air 2 would top our list. It's got a great design, new multitasking abilities thanks to iOS 9, and apps galore. But with the Air 3 coming in March, we'd suggest waiting a month or so if you can.

8. Pixel-C - $499: When we found out that Google was getting serious about designing and manufacturing its own tablet, there was plenty of reason to be excited. From the exterior, there's everything to like about the Pixel-C: the intuitive magnetic hinge, the beautiful aluminum chassis, and the great display. As an Android tablet alone, the Pixel-C is a great higher-end option.

However, the product suffers from a lot of performance issues, especially involving the keyboard, which lags and stutters like crazy. Furthermore, stock Android just does not do much at all with keyboards in the realm of productivity. All that to say, the Pixel-C is beautiful device, just don't plan on actually using the keyboard attachment all that much.

5. iPad Pro - $899: The new iPad Pro has a number of things working against it. First off, it's hardly a "Pro" device, which has made plenty of annoyed at the name. It's also more expensive than what most people are probably willing to pay for something that still runs iOS. Though it exists in the world in-between tablets and laptops, the iPad Pro is still primarily a tablet, unlike something like the Surface Pro 4, which runs much more like a traditional ultrabook (which is why it doesn't appear on this list).

Despite it's problems, with the new multitasking features introduced in iOS 9 and the new Apple Pencil, the iPad Pro is still a great product-but for a pretty niche audience. It's not going to replace a traditional computer, but if you have a desktop or iMac are looking for something that will double as a laptop on the go, the iPad Pro is an expensive, but beautiful device.

10. iPad Air 2 - $499: The iPad Air 2 came out originally in late 2014 and has been our mostly highly recommended tablet ever since. Apple decided to skip out on giving it an update in 2015 (instead opting to introduce the iPad Pro), leaving us wondering what Apple was going to do next with it's iPad Air line. We are now looking at a new springtime release date for the iPad Air 3 rather than the traditional October release, means the Air 2 will most certainly be getting a price reduction soon.

Normally, the iPad Air 2 would top our list. It's got a great design, new multitasking abilities thanks to iOS 9, and apps galore. But with the Air 3 coming in March, we'd suggest waiting a month or so if you can.

8. Pixel-C - $499: When we found out that Google was getting serious about designing and manufacturing its own tablet, there was plenty of reason to be excited. From the exterior, there's everything to like about the Pixel-C: the intuitive magnetic hinge, the beautiful aluminum chassis, and the great display. As an Android tablet alone, the Pixel-C is a great higher-end option.

However, the product suffers from a lot of performance issues, especially involving the keyboard, which lags and stutters like crazy. Furthermore, stock Android just does not do much at all with keyboards in the realm of productivity. All that to say, the Pixel-C is beautiful device, just don't plan on actually using the keyboard attachment all that much.

5. iPad Pro - $899: The new iPad Pro has a number of things working against it. First off, it's hardly a "Pro" device, which has made plenty of annoyed at the name. It's also more expensive than what most people are probably willing to pay for something that still runs iOS. Though it exists in the world in-between tablets and laptops, the iPad Pro is still primarily a tablet, unlike something like the Surface Pro 4, which runs much more like a traditional ultrabook (which is why it doesn't appear on this list).

Despite it's problems, with the new multitasking features introduced in iOS 9 and the new Apple Pencil, the iPad Pro is still a great product-but for a pretty niche audience. It's not going to replace a traditional computer, but if you have a desktop or iMac are looking for something that will double as a laptop on the go, the iPad Pro is an expensive, but beautiful device.

There are plenty of people out there who say tablets are dead. iPad sales are down and innovation is pretty low year-to-year. The problem is that analysts, tech companies, and consumers often hope new product line launches like tablets or smartwatches will have as big of an impact on the market as smartphones did. The truth about tablets though is that because they aren't used as nearly as frequently as smartphones do, people just don't have the need to update them every year. So yes-tablets are down in sales, but they also aren't going anywhere anytime soon. If you're out for a tablet right now, you're looking out a lot of great tablets from 2015 and early 2016, including the new products from companies like Apple, Samsung, and Google. Here are our recommendations for what's out there right now.

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ranking the 10 best tablets you can buy right now (feb. 2016)

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Ranking the 10 Best Tablets You Can Buy Right Now (Feb. 2016)

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10. iPad Air 2 - $499: The iPad Air 2 came out originally in late 2014 and has been our mostly highly recommended tablet ever since. Apple decided to skip out on giving it an update in 2015 (instead opting to introduce the iPad Pro), leaving us wondering what Apple was going to do next with it's iPad Air line.

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Sin duda alguna, las PC's han evolucionado rápidamente e increiblemente.

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Ésta es una de las computadoras más modernas, de última generación.

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HP is making two different groups of laptop users happy at the CES 2016 trade show. The American company has unveiled the HP EliteBook Folio and refreshed its Spectre x360 lineup.

At 12.4mm thickness and under 1kg weight, the EliteBook Folio, HP says is the thinnest and lightest notebook the company has created yet. Wittingly or not, the EliteBook Folio resembles the 12-inch MacBook, which Apple launched last year, and also seems to have taken many other inspirations from the laptop: it's not necessarily a powerhouse.

"Just because someone uses a PC at work, doesn't mean they have to sacrifice their desire for a cool, thin and light device," said Alex Cho, vice president and general manager, Commercial PCs, Personal Systems, HP Inc. "That's why we designed the HP EliteBook Folio - the world's thinnest and lightest business-class notebook - which offers users the best of both worlds: a premium design that consumers want while elevating business-critical security and manageability to delight the needs of IT."

It sports a 12.5-inch full-HD (1920x1080 pixels) display. The company is offering two more variants of the Folio, one that sports a touch-capable full-HD display whereas the other sports a 4K screen. All the three variants come with full-size HP Premium keyboard, a gesture-enabled trackpad, and two USB Type-C ports with Thunderbolt 3. Users have the option go as up as Intel Core M vPro processor, 128/256 SSD, and up to 8GB of DDR4 RAM.

The HP EliteBook Folio will be available in select markets in March from HP.com starting at $999 (roughly Rs. 66,500).

The company also unveiled two laptops series in its EliteBook range, the HP EliteBook 1040 G3 and HP EliteBook 800 G3, which will go on sale in January at a price point of $1199 (roughly Rs. 80,100), and $949 (roughly Rs. 63,500) respectively. The laptops come with Windows 10 Pro, sixth generation Intel Core vPro processors, PCIe Gen3 SSD, and DDR4 memory. The devices come with Audio by Bang & Olufsen, HP Noise Reduction Software and HP Clear Sound Amp. The EliteBook 800 series is available in 12.5-inch, 14.0-inch or 15.6-inch display sizes in HD, full-HD, QHD or UHD resolutions, while the EliteBook 1040 offers a choice of either full-HD or QHD.

The HP Spectre x360, which was previously only available in 13.3-inch form factor, now also comes with a 15.6-inch version. The 15.6-inch version sports with a 4K display (3820x2160 pixels). It is powered by Intel Core i5 or i7 processor with Iris Graphics and up to 16GB of RAM. Other inclusions include a 1TB SSD, Band & Olufsen audio tech, USB 3.0 Type-C port, mini display port, and an HDMI port.

The company is also refreshing the 13.3-inch model, giving it an Oled display option. HP says opting for an Oled display decreased the overall weight by at least 50 grams while also delivering higher colour gamut.

The 15.6-inch HP Spectre x360 with 4K display will be available to purchase on February 14 starting at $1,149. The refreshed 13.3-inch variant will be available later this year.

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hp elitebook folio spectre x360 and more launched at ces 2016 ces

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HP EliteBook Folio, Spectre x360, and More Launched at CES 2016

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HP is making two different groups of laptop users happy at the CES 2016 trade show. The American company has unveiled the HP EliteBook Folio and refreshed its Spectre x360 lineup. At 12.4mm thickness and under 1kg weight, the EliteBook Folio, HP says is the thinnest and lightest notebook the company has created yet.

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El tercer tipo de diseño de red es el multipunto a multipunto, el cual también es denominado red ad-hoc o en malla (mesh). En una red multipunto a multipunto, no hay una autoridad central. Cada nodo de la red transporta el tráfico de tantos otros como sea necesario, y todos los nodos se comunican directamente entre sí.

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Ésta fue de las primeras computadoras personales. Creada por la famosa marca IBM en el año 1981

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Aunque hoy están en muchos hogares e incluso pueden ser consideradas como un artefacto tan común en una casa como un televisor o una cocina, hubo un tiempo en que las computadoras eran exclusividad de las instalaciones militares y de los científicos en las universidades. Pero todo eso cambió un día como hoy hace 30 años. IBM, empresa responsable de muchos de los hitos de la historia de la tecnología en los últimos 100 años, lanzó al mercado la primera computadora personal (PC) 5150.

Imagine esta configuración: Procesador Intel 8088 de 4,77 Mhz; 16 kb de memoria RAM, expandible hasta 256 kb; usaba una tarjeta de video CGA (Colour Graphics Adapter) y su pantalla era de color verde fosforescente. Ah, por supuesto, no utilizaba mouse y no tenía unidades para lectura de disket. Usaba como sistema operativo el DOS 1.0.

Hoy, una página de texto que incluya un gráfico simple, creada con el programa Word pesa 16 kb; existen teléfonos inteligentes que usan un procesador de doble núcleo de 1,2 Ghz y las tarjetas de video (de más de 1 Mb) pueden mostrar millones de colores e incluso trabajar con imágenes en 3D.

CORTAS EXPECTATIVAS
Haciendo algo de historia, la primera computadora electrónica digital construida en EE.UU. data de fines de la Segunda Guerra Mundial.Pesaba 30 toneladas y contenía 18.000 tubos al vacío, los cuales fallaban a razón de uno cada siete minutos en promedio. La llegada del transistor en la década de los 50 permitió reducir significativamente el tamaño de las computadoras.

La de IBM no fue la primera computadora doméstica, pues al momento de su lanzamiento ya existían varias en el mercado, como la Apple II que se lanzó en junio de 1977 y fue una de las más populares en su momento. Incluso IBM lanzó en 1975 su primer microcomputador de escritorio, pero estaba orientado hacia empresas y científicos. Además su precio era cercano a los US$ 20.000.

Con la llegada de la PC las cosas cambiaron, pues llegó al mercado al precio de US$ 1.565. Muchos analistas de la época tenían mucho optimismo con respecto a la introducción de esta tecnología, pese a que en las corporaciones industriales más grandes las PC de IBM solo reemplazaron al 10% de las máquinas de escribir.

Algunos de ellos predijeron que, para fines de siglo, habría unos 80 millones de equipos en todo el mundo. Pues se quedaron más que cortos, porque para el año 2000 se calculó que existían unos 500 millones de PC y hoy se estima que ese número sobrepasa los mil millones.

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La computadora personal de IBM cumple 30 años | Blogs | El Comercio Perú

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Aunque hoy están en muchos hogares e incluso pueden ser consideradas como un artefacto tan común en una casa como un televisor o una cocina, hubo un tiempo en que las computadoras eran exclusividad de las instalaciones militares y de los científicos en las universidades.