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Hardware Archive

The future of software defined radio

Anyone who has turned on a shortwave radio in the past decade knows it's a wasteland out there, to the chagrin of nostalgic old geeks like me. But this technology sector is also one poised to explode with innovation thanks to software-defined radio. From H-Online: "Software-defined radio promises to the complexity in radio systems a software problem. The principle is simple and, in the ideal setup, an antenna is connected directly to analogue-to-digital converters for receiving signals and digital-to-analogue converters for transmitting them, with software running on an attached processor taking care of everything else." Your computer is about to become more useful than ever.

‘The netbook era has come to an end’

Asus is the company that shook up the laptop market a couple of years ago with their introduction of the EeePC netbook. And with their announcement that they will no longer be producing netbooks in 2013, Charles Arthur over at the Guardian UK has declared that the netbook era has now come to an end. Sad news for those of us who still love our netbooks! Harry McCracken over at Time Mag thinks they'll be back. Anybody who spends time wiping the smears off their tablet's touchscreen might agree.

Quick Guide to Fixing Hardware

Last month, I explained why I use generic desktops and laptops running open source software. They're reliable and inexpensive. But this presumes you can fix them. I believe that even those with no hardware training (like me), can identify and fix most hardware problems. To prove it, here's a quick guide. Feel free to add whatever I've missed.

‘Surprisingly, touchscreen laptops don’t suck’

"I was prepared to write that the Windows 8 interface was forcing unnecessary touchscreen controls on people who wouldn't appreciate them, particularly if they were simply grafted onto a traditional laptop. But the more I've used Windows 8, despite its faults, the more I've become convinced that touchscreens are the future - even vertical ones." I can see his point. I, too, have often felt the desire to touch regular and laptop displays, especially when doing things like photo and video.

After 3 years of growth, Lenovo takes top PC vendor spot

Something truly interesting is currently happening in the PC space. Ask any random internet commenter how the PC market is doing, and I'm pretty sure you're going to get something along the lines of 'everybody but Apple is failing'. Turns out this isn't the case - Lenovo has just become the world's largest PC and laptop vendor, after three years of steady growth in sales and profits. "During the second fiscal quarter, Lenovo's worldwide PC shipments grew 10.3 percent, in a difficult market that was down eight percent year-over-year, the 14th quarter in a row that the company has grown faster than the PC industry as a whole. In this challenging environment, Lenovo achieved its highest-ever worldwide market share of 15.6 percent, gaining share points in every geography, every product category in which it competes, and in every respective customer segment." Very impressive.

Laptop inventor Moggridge dies at 69

"Bill Moggridge, the London-born industrial designer credited with creating the first laptop computer,died on Saturday aged 69 after a battle with cancer. Moggridge is best known as the creator of the GRiD Compass, a device which introduced many of the design traits used in modern laptops, including the hinged case, the flat display and the low-profile keyboard. Moggridge said that when he tested the device prototype in 1981, it was the first time he had used a computer."

Via’s APC, A $49 Android desktop

"We've seen a profusion of relatively low-cost PCs and tablets over the last few years, but Taiwanese electronics company Via's APC is cheap even by these standards: it's a $49 low-power desktop computer running a modified version of Android 2.3. Announced today, the APC is meant as a simple way to connect to the internet, so you won't get a great deal of computing power. It contains an 800MHz processor, 512MB of DDR3 memory, 2GB of flash storage, and can connect to a monitor or TV to output a resolution of up to 720p. It also consumes a fraction of a standard desktop's power: 13.5 watts at maximum and only 4 watts when idle."

Disks from the perspective of a file system

"Most applications do not deal with disks directly, instead storing their data in files in a file system, which protects us from those scoundrel disks. After all, a key task of the file system is to ensure that the file system can always be recovered to a consistent state after an unplanned system crash (for example, a power failure). While a good file system will be able to beat the disks into submission, the required effort can be great and the reduced performance annoying. This article examines the shortcuts that disks take and the hoops that file systems must jump through to get the desired reliability."

Windows 8 spurs new touchscreen hybrid PC designs

"Efforts are split between models in which keyboards detach from screens, ones in which the keys remain attached but can be hidden behind displays, and traditional fixed clamshell designs." None of these really float my boat. They work with clunky connectors and weird hinges, while I'd much rather have Surface's nice magnetic connection. On top of that, Surface just looks way better than this stuff. Pretty clear why Microsoft felt the need to make their own hardware.

The Lilith: a graphical, mouse-driven workstation from 1980

Just driving yesterday's point home some more: "The Lilith was one of the first computer workstations worldwide with a high-resolution graphical display and a mouse. The first prototype was developed by Niklaus Wirth and his group between 1978 and 1980 with Richard Ohran as the hardware specialist. The whole system software of the Lilith was written in Modula-2, a structured programming language which Wirth has developed at the same time. The programs were compiled into low-level M-Code instructions which could be executed by the hardware. The user interface was designed with windows, icons and pop-up menus. Compared with the character based systems available at that time, these were revolutionary metaphors in the interaction with a computer." Jos Dreesen, owner of one of the few remaining working Liliths, wrote a Lilith emulator for Linux.

HP Continues to Flounder

Can Hewlett-Packard bounce back? Third quarter results are in and they don't look good. Total revenue is down 5% year over year, and profits tanked on a $9.2 billion noncash write-down on the 2008 EDS acquisition.What's HP's strategy? Meg Whitman has now been CEO of the struggling giant for a year. She compares HP's turnaround to that of Starbucks, saying "Usually these kinds of turnarounds take anywhere between four or five years... There's nothing fancy about these turnarounds. This is not advanced business, this is 101."I question if refocusing on core competencies is enough. Maybe HP needs to get into the smartphone and tablet markets. Maybe it needs to expand its services business. Think I'm wrong? Then bet your money on HP stock and get rich. HPQ trades at its lowest point in a decade and sells for an rock bottom forward P/E of 4.2.

Multi-touch systems that I have known and loved

"Multi-touch technologies have a long history. To put it in perspective, my group at the University of Toronto was working on multi-touch in 1984, the same year that the first Macintosh computer was released, and we were not the first. Furthermore, during the development of the iPhone, Apple was very much aware of the history of multi-touch, dating at least back to 1982, and the use of the pinch gesture, dating back to 1983. This is clearly demonstrated by the bibliography of the PhD thesis of Wayne Westerman, co-founder of FingerWorks, a company that Apple acquired early in 2005, and now an Apple employee. In making this statement about their awareness of past work, I am not criticizing Westerman, the iPhone, or Apple. It is simply good practice and good scholarship to know the literature and do one's homework when embarking on a new product. What I am pointing out, however, is that 'new' technologies - like multi-touch - do not grow out of a vacuum. While marketing tends to like the 'great invention' story, real innovation rarely works that way. In short, the evolution of multi-touch is a text-book example of what I call 'the long-nose of innovation'." If we lived in a just and science-based world, this detailed history alone would be enough for judges the world over to throw all of a certain company's patent aggression out the window. Sadly, we live in an unjust and money-based world.

The history of the floppy disk

"n the fall of 1977, I experimented with a newfangled PC, a Radio Shack TRS-80. For data storage it used - I kid you not - a cassette tape player. Tape had a long history with computing; I had used the IBM 2420 9-track tape system on IBM 360/370 mainframes to load software and to back-up data. Magnetic tape was common for storage in pre-personal computing days, but it had two main annoyances: it held tiny amounts of data, and it was slower than a slug on a cold spring morning. There had to be something better, for those of us excited about technology. And there was: the floppy disk."

From Altair to iPad: 35 years of personal computer market share

"Back in 2005, we charted 30 years of personal computer market share to show graphically how the industry had developed, who succeeded and when, and how some iconic names eventually faded away completely. With the rise of whole new classes of 'personal computers' - tablets and smartphones - it's worth updating all the numbers once more. And when we do so, we see something surprising: the adoption rates for our beloved mobile devices absolutely blow away the last few decades of desktop computer growth. People are adopting new technology faster than ever before." BeOS not mentioned. Would not read again. 2/10.