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SEARCH KEYWORD -- Operating system



  Simple explanation about process and thread

Process and thread are two basic concepts of operating system, but they are a bit abstract which cannot be  mastered easily. There is an analogy which explains these concepts very well. 1. The kernel of the computer is CPU, it handles all the computing tasks, it's like a factory and will run all the time. 2. Assume there is power limitation for the factory, it can only supply to one unit once,i.e, when one unit is working, other units must stop and wait. The meaning behind this is that eac...

   Process,Thread,CPU,Operating system     2013-04-24 11:33:10

  Five Reasons Why Microsoft's Windows Phone Will Make A Big Splash In The Smartphone Market

The rave reviews for the latest iteration of Microsoft’s Windows Phone aren’t the only reason Microsoft will do better in the smart phone industry than it did in the MP3 player market. Whereas the Zune never really offered anything substantially different from the iPod and never pushed any real boundaries, Microsoft’s latest push into the mobile operating system business is much more bold. Microsoft isn’t rushing it this time – and it shows. So far, tech ...

   WP7,Windows Phone,Zune,2012,Nokia Lumia 900     2012-01-09 08:52:52

  printf("goodbye, Dennis");

Dennis Ritchie, a father of modern computing, died on October 8th, aged 70EVERY time you tap an iSomething, you are touching a little piece of Steve Jobs. His singular vision shaped the products Apple has conjured up, especially over the last 14 years, after Jobs returned to the helm of the company he had founded. Jobs's death in October resembled the passing of a major religious figure. But all of his technological miracles, along with a billion others sold by Apple's competitors, would be mere...

   Memory,Dennis Ritchie,C,Father of C     2011-10-22 12:42:22

  Samsung announces Galaxy S III mini

Samsung announces Galaxy S III mini today, compared to Galaxy S III, the mini version has some changes in screen size and configurations. Below are the detail configurations of Galaxy S III mini: 4-inch screen 800 × 480 resolution 5-megapixel primary camera, VGA front camera 1GHz dual-core processor Android 4.1 operating system Support the Samsung S Voice Personal Assistant, NFC and S Beam transmission function 1GB RAM, two versions with 8GB and 16GB memory, expandable to 32GB with microS...

   Galaxy S III mini,Configuration     2012-10-11 19:27:53

  Apple CEO criticizes Windows 8 on D10

In the D10 Digital Conference held by The Wall Street Journal, Apple’s CEO Tim Cook expressed his sharp criticism about Windows 8 to be launched by Microsoft. According to Cook, the idea of this OS attempting to perfectly apply to both tablet and PC is far from realistic.On D10, Tim Cook said : "[With Windows 8, Microsoft] is pulling all of the leg weight of the PC market. You wind up with something that's very similar to what tablets were 10 years ago. The more you look at combining th...

   Apple CEO,Tim Cook,Windows 8,D10     2012-05-31 05:31:32

  Programmer professionalism

Programmer is a lifetime occupation. But first, as a programmer you need to love programming, rather than just an occupation to achieve other goals in life.Now if you plan to spend decades of life on programming, then you should continue to think about what is more efficient. In other words, how are you different from who you were a decade ago and how will you be better than who you are now a decade later?In my opinion, a programmer, regardless of his work, should improve himself in three aspect...

   Programmer, Idea     2012-12-10 12:05:24

  Products born for Cloud

Cloud computing has become increasingly popularity among companies. It greatly saves the investment of infrastructure and training with everything is running on cloud, it also improves the accessibility and flexibility of service provided by companies. With its popularity, many products are born or becoming popular to help build and move the apps to the cloud. Some well known names of these products are Vagrant, Docker/LXC, Chef and OpenStack. These tools can help create, test and deploy applica...

   Cloud,Openstack,Docker,Vargrant,LXC,Chef     2015-01-25 02:27:11

  Is Shared Hosting Secure?

Shared hosting is incredibly popular with users who are looking for the cheapest hosting available – the problem is that along with the low price you get poor performance and even more concerning – questionable security. When running on a shared host dozens if not hundreds of other sites are running on the same servers – this means any single security flaw in any of those applications can compromise the entire server. This  dramatically increases the odds of your ...

   Shared hosting,Virtual host,Security,Data security     2012-02-14 10:48:59

  Nimbula 'cloud operating system' spans data centers

Nimbula – the build-your-own-cloud outfit founded by Amazon's former vice president of engineering – has announced a new release of its Director platform, saying it will allow businesses to run a unified "infrastructure cloud" across geographically separate data centers. In short, this means that those using such a cloud can log into a single console to tap computing resources served up from disparate physical locations. Nimbula says that Director is the first "cloud OS" t...

   Nimbula,Cloud computing,Data center,Arch     2011-08-23 08:06:39

  Frequently used explanations of programmers

As a programmer, I think many of us have something like these below in our daily work. From these explanations, we may get to know different programmer's characteristics. Below are something we may say frequently. Don't be too serious about them.It's working on my computerI never heard about this beforeIt was working normally yesterdayOk, this is a bugHow is it possible?This must be the problem of the machine or the environmentDo you update your operating system?Must be the problems of client...

   Explanation,Programmer     2012-04-25 08:07:43