Computer Spot

The UNIX operating system was developed in the 60’s and 70’s by a group of AT & T employees at Bell Labs.  Unix is used by both servers and workstations and is the basis for a wide variety of other operating systems.

The operating system under UNIX consists of many of the utilities listed above along with the master control program which is called the “kernel”.

The kernel helps start and stop programs, handle the file system, take care of other common high level tasks that most programs share and schedule access to hardware to avoid conflicts if two programs try to access the same resource or device simultaneously.

Besides the main kernel, UNIX systems also had micro-kernels which tried to reverse the growing size of kernels and return to a system in which most tasks were completed by smaller utilities. Read the rest of this entry →

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In 1984, Apple Computer introduced the Apple Macintosh personal computer.  The first version was the Macintosh 128K model which came bundled with the Mac OS operating system then known as the “System Software”.

The Mac is often credited with popularizing the graphical user interface (GUI).

The Mac OS has been pre-installed on almost every Macintosh computer ever sold.  The operating system is also sold separately from the computer just as with Microsoft Windows.

The original Mac OS was heavily based on the Lisa OS previously released by Apple for the Lisa computer in 1983.  It also used concepts from other operating systems previewed by Apple executives.

In 1984, Apple partnered with Microsoft in an agreement that would have Microsoft creating versions of Word and Excel for the Mac OS. Read the rest of this entry →

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Back in the late 1970’s, two enterprising young computer programmers named Paul Allen and Bill Gates developed an adaptation for the BASIC computer language that would help run newly created personal computer just coming on the technology market.

As with any technology, their original creation changed and grew.

The two friends decided they had the product and the capability to become successful, so they formed a company now known as Microsoft.

Over the years, Microsoft has grown to a giant in the computer industry with successes never before seen by a “from scratch” endeavor.

Microsoft was responsible for the development of not only several computer languages like COBOL and PASCAL, but also for the development of the earliest operating system MS-DOS.

In partnership with IBM, who was just introducing the personal computer to the individual consumer, all of the IBM computers used MS-DOS on their systems.  The year was 1981.

Windows 3.1 was the first product to fully utilize graphical user interface for ease of controlling what the computer would do. Read the rest of this entry →

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As a user, you normally interact with the operating system through a set of commands. For example, the DOS operating system contains commands such as COPY and RENAME for copying files and changing the names of files, respectively.

The commands are accepted and executed by a part of the operating system called the command processor or command line interpreter.

Graphical user interfaces allow you to enter commands by pointing and clicking at objects that appear on the screen.

But that really doesn’t address the various ways that operating systems make your computer work easier and more efficiently.

Their specific capacities are what make them help your computer operate as a user-friendly device.  Let’s look specifically at what an operating system does. Read the rest of this entry →

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The earliest of computers didn’t have an operating system.  By the early 1960’s, commercial computer vendors were supplying quite extensive tools for streamlining the development, scheduling and execution of jobs on batch processing systems.

Through the 1960’s, several concepts were developed which drove the development of operating systems.

The IBM System 360 produced a family of mainframe computer that served consumers with differing capacities and prices.

A single operating system was planned for these computers rather than developing generic programs for every individual model. Read the rest of this entry →

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Creating documents for online use can be a huge task for many web-based businesses.  Many companies struggle with compatibility, integrating graphics and creating the right overall effect with their documents.

Many businesses are turning to PDF to create forms, brochures, and other documents for online use and exchange.

This allows them to create print quality displays that are accessible by users on a variety of different software platforms.  PDF gives companies a broader reach with their online content.

What Is PDF?

PDF stands for Portable Document Format, which is a formatting type developed by Adobe.  PDF documents have the same formatting capabilities and properties of printed documents, while remaining a digital file. Read the rest of this entry →

Even though the old definition of a spyware is as a software that monitors user’s behavior secretly, today, spyware functions more than just simple monitoring.

Spyware programs are used to collect personal information including user’s surfing habit, visited sites, redirect browser activity, access websites containing harmful viruses and etc.

Most of the time, spyware is the main culprit in slow connection speeds by changing computer settings. Such spywares are dealed by programs called the anti-spyware software.

Today, there are a lot of programs available in the market for users to protect their computers. Softwares like Ad-Aware SE, Spybot – Search & Destroy, Zone Alarm with Anti Spyware, Windows AntiSpyware, Windows Defender and etc.

Some major anti-virus companies like McAfee and Symantec have also added the anti-spyware features into their product.

Anti spyware softwares protect computers by providing real time protection, preventing the installation of spyware on your computer. Read the rest of this entry →

Have you or have you not installed a reliable firewall software on your system? It has been proven that stand-alone operating system is not optimized to prevent against organized network attacks.

Although major operating systems now have integrated firewalls, but they are often not secure enough or lack advanced features.

One should not delay installing and configuring firewall correctly. You may think that your computer has nothing valuable worth getting into, but your computer services and resources may be asset in themselves.

Sometimes hackers do not attack their targets directly, they do that from another persons’ computers to avoid detection.

Computer users are advised to use firewall produced by leading firewall software vendors. They are usually more secure and powerful than OS-integrated firewalls, not to mention frequently updated and improved. Read the rest of this entry →

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The Open Source community is celebrating another major achievement with the recent release of the final version of OpenOffice 3. OpenOffice has been very successful since its introduction.

The hype surrounding OpenOffice is understandable because it is long touted as the software which could potentially challenge the dominance of one of the most profitable business softwares ever produced – Microsoft Office.

OpenOffice has several major advantages over Microsoft Office.

• It is a free software and can be used for any purposes without licensing fee obligations.
• It is available for various platforms such as Windows, Linux, Solaris and even Apple Mac.
• Due to its open source nature, anyone can participate in its development and improvement, making it easier to eliminate bugs and request new features.

OpenOffice 3 is a suite consisting of 6 applications: word proccessor Writer, spreadsheet Calc, presentations program Impress, database program Base, equation editor Math and graphics program Draw. Read the rest of this entry →

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iTunes is an amazingly cool free application for Mac and PC, which plays all your digital music and videos. It syncs content to your iPod, iPhone, Apple TV as well as Mac PC, or portables.

Moreover it’s an entertainment superstore that stays open 24/7 and guarantees entertainment round the clock.

iTunes brings your entire music and video collections together and they are just a mere click away from you, giving you an all-access pass to thousands of hours of digital entertainment.

You can Browse, Organize, Play and do loads of stuff from your Mac or PC. Read the rest of this entry →

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