computer

In computing, the kernel is the central component of most computer operating systems; it is a bridge between applications and the actual data processing done at the hardware level. The kernel's responsibilities include managing the system's ... resources (the communication between hardware and software components). Usually as a basic component of an operating system, a kernel can provide the lowest-level abstraction layer for the resources (especially processors and input / output devices) that application software must control to perform its function. Kernel Basic Facilities The kernel's primary ... (view more)

Update 2010/10/04: The free trial download for Easy Duplicate Finder is at the bottom of this article. Click here to go there now , or continue reading our review. Note that the special discount ends Oct 29, 2010 at 11:59PM EST. Get it before it's ... gone! How many files are stored on your computer? Is it 10,000? How about 50,000 or 100,000? Of the files stored on your computer, how many of them are duplicates and which ones are safe to remove? Unless you're unusually interested in computer technology, you probably don't have any idea how many files are stored within your computer system -- let ... (view more)

In mathematics and computer science, an 'algorithm' is an effective method for solving a problem expressed as a finite sequence of instructions. Algorithms are used for calculation, data processing, and many other fields. Each algorithm is a list of ... well-defined instructions for completing a task. Starting from an initial state, the instructions describe a computation that proceeds through a well-defined series of successive states, eventually terminating in a final ending state. Expressing algorithms Algorithms can be expressed in many kinds of notation, including natural languages, ... (view more)

Google's forthcoming Chrome operating system (OS) will be able to run applications from other operating systems, such as Microsoft Windows. The procedure is a relatively simple technical solution, though one which has practical limitations. The ... Chrome operating system, which has been released in a form developers can experiment with works in a different way than most web browsers. It's designed to run when the computer is online and is, to a major extent, a souped-up version of Google's Chrome web browser. Chrome OS Goes Easy on Old PCs Instead of standalone applications on the computer, most ... (view more)

Five Best Computer Diagnostic Tools Computers are easier to use and more dependable with each new generation of hardware and operating system update, but that doesn't mean they're problem-free. Here's a look at the five most popular tools for ... troubleshooting your computer problems. http://lifehacker.com Ram Map Ram Map graphs exactly how Windows is assigning physical memory, how much file data is cached in RAM, and how much RAM is used by the kernel and device drivers. A great tool for keeping tabs on how your system is performing. http://technet.microsoft.com Today's fresh software picks ... (view more)

Cybercrime is often likened to a never-ending cycle: just when a security company believes they have found a way to combat one malware-installation method, hackers come along and find a new ways to attack a computer. Thus, it should come as little ... surprise that there is a new hack that attacks network card firmware: software specifically designed to control the network card. This innovative hacking technique (dubbed the "Jedi Packet Trick") works by sending infectious network packets to the network's firewall , which needs to be running a vulnerable network card. Once an infected packet is ... (view more)

The classic Commodore 64 personal computer is set to make a surprise comeback in the next few months, this time featuring a modern design and some of the latest computer technologies. Commodore USA is a new company that has licensed the Commodore ... namesake from Commodore Gaming. The entire advertisement campaign thus far has played on the former glory of the Commodore 64 to promote the new PC. New Commodore PC Packed with Power Besides the Commodore namesake and similarities in keyboard design, very little is reflective of the 1980's computer model. The new Commodore PC offers up to 500GB of ... (view more)

A Seattle judge has dismissed a "downgrade" from Windows Vista to Windows XP fee lawsuit that alleged antitrust violations. The class-action suit was filed by Emma Alvarado of Los Angeles in February 2009 after she was charged $59.25 to downgrade ... the operating system (OS) on a newly purchased Lenovo laptop. Alvarado alleged that Microsoft abused its monopoly by trying to cash in on the popularity of Windows XP over Windows Vista. Lawsuit Failed to Prove that Microsoft Received 'Unjust Enrichment' Judge Marsha J. Pechman, of U.S. District Court for the Western District of Washington, said ... (view more)

Security firm Sophos tells PC World that two security measures introduced in Windows Vista and expanded in Windows 7 have had a marked effect on levels of infection on computers. Nevertheless, several online security professionals have reminded ... users of Windows 7 that while the new operating system (OS) offers enhanced security over its predecessors, it's not invulnerable. They note that human vulnerabilities will always leave people at risk to hackers. Two New Security Features Mark Improvements Address Space Layout Randomization (ASLR) partially randomizes the order in which data is stored ... (view more)

Apple's much-hyped tablet computer could be on sale within a few months . But now Microsoft has responded by promoting its own tablet PC in partnership with HP. The Windows 7 Tablet: by HP Microsoft CEO Steve Ballmer showed off the device as part of ... his major address to the Consumer Electronics Show (CES) Wednesday night. The computer is effectively a Windows 7 notebook but in the form of a single touchscreen rather than a separate keyboard and display. Pricing isn't confirmed, though reports are that it will be sold for less than $500. The new device is produced by HP, and not Microsoft. ... (view more)