Making the upgrade

This time, sensation-seekers, I'm going to talk about the three different bits of hardware in my office that I considered upgrading, and how I walked myself through each decision.

Device 1: Compact digital camera.

Reason for upgrading: A maturing technology. My three-year-old, but highly-beloved, Nikon P6000 pocket camera is exactly the sort of camera I like: small enough to slip into a pocket, but big enough to operate comfortably, and with a sprinkling of advanced features that allowed me to use it as my sole travel camera.

Last year, I did some work for a pal and he generously gave me his Olympus PEN E-P1 camera as a thank-you gift. I soon fell in love with the Micro Four Thir-ds system. It filled a gap for me: I travel a lot and take a lot of photos. and I am hellaciously fussy about the results. As great as my Nikon is, there's no ignoring the facts: it has a tiny image sensor and you can't swap out its fixed zoom for a more appropriate lens ... like Panasonic's magnificent 20 mm f1.7.

With that lens on the Olympus' body, I had nearly the optimum travel camera. It had most of the important features of my Nikon and it wasn't that much larger.

One problem: the Olympus doesn't have a built-in flash. What a pain in the butt! Also, the E-P1 was one of the first Micro FourThirds cameras made and I was eager to see how far the cameras have come after two years.

February seemed like the perfect time to upgrade. Olympus and Panasonic released new Micro Four Thirds cameras. The new Olympus was much like the E-P1, but it had a flash; the new Panasonic was barely larger than the Nikon. After a temporary dalliance with Nikon's fairly awesome P7000 (with its heroic assemblage of mechanical controls), I knew it'd be one or the other.

What I did: I bought an external flash for my Olympus.

Why: After poring through technical specs and advance reviews, I couldn't get excited about either new camera. I was hoping for a major advancement in Micro Four Thirds that would materially improve the Olympus, but I sure didn't see it in the reviews.

The clincher came when I found a couple of intense hardware teardowns and learned that both cameras were using two-year-old image sensors. I want the next-generation component: the one that'll allow next year's Micro Four Thirds cameras to shoot gorgeous photos in low light. And honestly, my big problem with the E-P1 was no flash. Fine: buy a flash. Sometimes you're so enamoured with having The New Version that you forget that the point of the expensive exercise is to solve problems.

Device 2: iPad.

Reason for upgrading: Er ... it's the iPad 2! I love iPad! That's, like, one whole iPad better than my iPad 1!

What I did: I stuck with my original iPad.

It's not that the iPad 2 isn't a huge improvement. Its CPU is a monster. When I ran it through its paces for a review, I didn't test its speed with an engineering benchmark suite. I used real-world apps. One task that took my old iPad more than three and a half minutes to process was chewed up and spat out by the iPad 2 in just 52 seconds. Whoosh!

Oh, yes, and the cameras and the Smart Cover and the gyroscope. I duly tested and wrote about it all. After I filed my review and I started thinking about the iPad like a consumer instead. I recognised all of those features as Nice Things that nonetheless I didn't really need.

But the speed!

Yeah. Well, Apple does a great job maintaining iOS as One Platform, With liberty And Time-Wasting Apps For All. Any app written in 2011 and probably even 2012 will work on my iPad 1. In the end, the speed of the iPad 1 isn't a handicap; the speed of the iPad 2 is a bonus.

Given that I wouldn't do anything with an iPad 2 that I can't already do, I'll wait until next year to upgrade.

Device 3: MacBook Pro.

Reason for upgrading: My current MacBook Pro is three years old. That's like having 125,000 miles on a car. You don't drive it to the scrapyard, but you know that it's entered its zone of Obsolescence.

There's always a faster CPU on the horizon. Tastes change, too. My 2008 MacBook has an ExpressCard slot. In theory, it'd open up a world of hardware enhancements. In practice, I wish it were an SD card reader.

Plus, my MacBook is my daily-use computer. I pound on it for hours a day, seven days a week and I've carried it around the world. Wear and tear is starting to show. The trackpad button hasn't worked since I splashed some coffee on it, and I'm lucky if the battery lasts 15 minutes.

What I did: I bought a new MacBook Pro.

If I'd upgraded last year, I would've had a slightly faster Mac, an SD slot, a working trackpad, and a nine-hour battery. Nice ... but this year, I got a CPU whose architecture is a whole generation ahead. It's clear that Apple's investing heavily in this new ultra-high-speed. multi-channel Thunderbolt I/O port. too. If the standard takes off, my new Mac Book will work with all of the great new high-performance hardware that's going to be released in the coming years. And if Thunderbolt fizzles ... who cares? It's still a functioning Mini DisplayPort.

This is a Mac that will get me through the next three years. That's a big deal given the scale of Mac OS X 10.7 and the OS to follow. I just need to not spill a drink on it.

The past month served as a reminder that hardware should only be replaced if it's about to stop working (whether it's worn-out or just not up to challenges that didn't exist when you first bought it) or if the new one can transform the way you work. Otherwise, you're just being a big, dopey consumer.

I did the smart thing. I thought my way through three potential upgrades, and only made one purchase. lucky me: it was the $2,000 item.

First DDR4 DRAM modules

Samsung Electronics has announced new generation of DDR (Double Data Rate) memory modules. DDR4 modules offer increased performance and lower consumption (up to 40%) comparing to DDR3 memory. The DDR4 chips will be manufactured using 30 nm technology. DDR4 modules will offer speeds of 1.6 Gbit/s to 3.2 Gbit/s. Taking into account that memory prices are decreasing--the cost of 1 GB of DDR3 RAM is approaching $1. The module makes use of Pseudo Open Drain (POD) technology, a new technology that has been adapted to high-performance graphic DRAM to allow DDR4 DRAM to consume half as much electric current as DDR3 when reading and writing data.

Home Web Hosting - Access Your Home Server From the Internet

If you are a webmaster developing or maintaining websites then you probably have a home web server for development or testing purposes. An old computer can easily be transformed into a Linux server. If you install also Apache, MySQL and PHP applications you will be able to host websites at your home. Of course, this is not the same hosting as offered by commercial providers, it is only a place where you can install, develop and test web applications. With some additional settings you can access your home computers from any place that has internet access. This is very convenient for getting files you forgot at home.

Assuming that you already have a local area network (LAN) including the router, which is a bridge between your computers and the internet, you need no additional equipment. In order to enable web access from the internet, you have to configure your router to forward outside web requests to the your server. The default port for web is 80, but you can choose any other port number to increase security.

The first prerequisite for remote access is a domain. This is the name of your home server on the internet. There are many services that offer free domains and free updating of IP addresses. This is especially important if you don't have a static IP address. Most internet providers dynamically assign IP addresses which change once a day or with every connection. Since knowing your external IP address is crucial to access your computers from the internet, you need a way to update the domain DNS records.

Many routers support popular dynamic DNS services like DynDns. If your router has no such function you can still install simple software utility on your computer which will update address every time it will be changed. You should create an account, select preferred domain name and choose your name which you will use as a sub-domain. This account data you should enter into the router settings or external software for IP address update.

Now you have access to your router. Each time you will enter your name followed by the chosen domain, you will reach you router. If you have enabled access to its user interface from the external port, you will be able to configure it as you do it from your home computer. To reach your server you need to configure port redirection. If you would like to use the standard port 80 for web access, then simply create a rule to forward external (public) port 80 to the local port 80 at IP address of your web server. This is everything that is needed to access your web server from anywhere.

For hosting of real websites especially if they are commercial in nature you need a reliable hosting like Hostgator. Simply because the website needs to be available 24 hours a day and downtime in the case of hardware failure should be as short as possible. Commercial hosting companies usually provide professional service for few dollars per month. This includes unlimited number of domains, unlimited disk space and many other goodies.

Having a possibility to access home computers from any location is very useful when you need some files or data from home. Even if you have a dynamic IP address you can access your development websites and show them to your friends or clients.

What to Look For in a LCD Computer Monitor?

In general, it is difficult to say which computer component is most important. Probably there is no such component. Every part is needed to perform some task otherwise we wouldn't need it. But there is one difference. With some computer components we have direct contact. One of such components is monitor. Computer monitor communicates with us in a very special way. It displays all the information about the status of the computer as well as windows of currently active applications. Therefore, it is essential that this computer component is carefully selected and that it displays stable and clear picture.

Currently LCD is the predominant technology for computer monitors. There is no big difference between computer LCD monitors and LCD TV sets. The only major difference is the additional interface electronics that makes a LCD TV set look like a television and LCD monitor to look as computer monitor.

Usually, when buying computers we look at the price tag. This is normal since price ranges can vary significantly. But the price should not be the only parameter upon which we will make a decision. When buying computer monitors we should consider the following:

Main Purpose of Our Computer
We can use the computer as office tool, gaming machine, designer's drawing board, or a combination of listed and also other purposes. Each purpose needs emphasis on a different parameter. For example, designers working in desktop publishing need large desktops and realistic color reproductions, games need monitors with fast response, etc. The first step in choosing monitor is to define the main purpose of the computer.

Size
The bigger the better. This simple rule is valid for all computer purposes. With larger working area you will easily work with many applications at the same time. Application windows will not be squeezed to small cluttered rectangles, the taskbar will look as a nice informative bar and not like a bar with many small buttons, on the desktop you will be able to put more icons for frequently used programs, etc. Because all LCD monitors are flat there will be no problem with the space on the table. So the only disadvantage with large monitors is maybe higher price.

Resolution
Again, the bigger the better. The display resolution tells us how many pixels or points the monitor can display. More pixels means larger monitor or smaller image dots. A typical resolution for multipurpose computer is 1920x1200 pixels. It allows comfortable work with office programs, web browsing and also good experience with CAD programs.

Interfaces
Almost all computer LCD monitors have DVI input. This is standard for computer graphics cards. If we intend to connect multimedia devices we also need a HDMI input. Many monitors have also integrated USB hubs. This is very handy to connect keyboard, mouse and external disks. Some computer monitors have also a TV tuner which converts them into a real TV set.

Choosing computer monitor is not an easy task even if you know what to look for. For more tips and hints you can visit the http://computerlcdmonitors.org/ website which provides few basic facts about computer LCD monitors.

Perhaps the most important fact you should remember is that you will be staring for hours into this flat panel. Make sure it will look pretty.