CRT VS LCD MONITORS – WHICH ONE IS THE BEST TO BUY?

A monitor is a computer peripheral device, which has ability to display still or moving images generated by the computer. Monitors are based on two types of technologies: CRT (Cathode Ray Tube) and LCD (Liquid Crystal Display).

There are some differences between CRT and LCD monitors. LCD monitors are lightweight but CRTs are heavy. CRTs consume more power as compared to LCD monitors, but they are pricier than CRTs. While buying a monitor, one should have knowledge of its conditions and characteristics.

Dell 17-inch LCD flat panel monitor is the best choice than all others in total performance. Dell Ultrasharp is brilliant for official work, because it can make use of both digital and analog input. It has a pivoting, and height adjustable base. The resolution of Dell LCD is 1280 x 1024.

For best color and image quality, Sony 17-inch, 1280 x 768-pixel is the best choice. It works very well for photography and artwork. Images look sharp because of its XBrite screen filtrate contemplates ambient light. This Sony LCD also has an analog tuner that can help you in watching TV with an antenna or cable input.

Dell 19-inch Ultrasharp LCD flat panel monitor has a large screen and its height is adjustable. It has both digital and analog inputs. It is also enabled with the four-port USB hub for plugging in peripherals.

Sony 19-inch LCD monitor is best for graphics and photographs. It is highly rated for its color fidelity. It has an XBrite screen filter but it doesn't have any TV tuner. It has a unique design with the thin bezel and a graceful stand.

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Submitted by admin on Thu, 05/20/2010 - 08:23.

LAPTOP COMPUTER – YOUR PERSONAL ASSISTANT

Today, laptop has become vital part of each and every business. Laptop is a small computer that you can easily hold on your lap. It can be used for numerous business functions such as keeping records, immediate communication, wireless networking and many others. You can easily transport it from one place to another.

Laptops are also termed as ‘modern communication equipments.’ There are many different types of laptops in the market cheap laptop, general purpose or gaming laptop and business laptop. The different models of laptop are Lenovo 3000 N100, Lenovo 3000 C100, WinBook A210, Toshiba Satellite L25-S119, HP Compaq Presario V2000Z etc.

Laptops are smaller and faster as compared to the desktop computers but perform the same functions. The laptop technology is changing continuously so you have to keep different things in your mind while purchasing a laptop. The important things include processor speed, RAM size, hard disk space, brand, price and type of processor.

Laptops are high-class notebooks having Wi-Fi connections and tri-mode 802.11a/b/g wireless system. The Sony's VAIO VGN-T350P consists of the world's first 'Built-in Cellular Modem'. Generally small laptops fall under two main categories Ultra-portable notebooks and Thin and Light laptops. You can easily carry your laptop in your briefcase.

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Submitted by admin on Wed, 05/19/2010 - 08:24.

PDAS OR HANDHELD COMPUTERS GUIDE

Handheld computer devices are also termed as Personal Digital Assistant or PDAs, which has become the major requirement of millions of people, throughout the world. A PDA is a handheld device, and a large number of handheld computers are based on blue tooth, wireless and many other technologies, which make them extremely adaptable and helpful. The main advantage of PDA is that it can store a large amount of data in a small box.

This tiny device has the following features: calendar, notepad, an address book and capable of transferring email and downloading other materials through computer. Generally, handheld computers are used for personal information manager (PIM) types of functions comprising maintenance of programs, keeping names and phone numbers, perform uncomplicated computations, taking notes, and, through a modem, transferring e-mail and getting information from the Web.

While purchasing a handheld computer or PDA, you have to keep some important things in mind. The vital things include memory, processor speed, display size and resolution, operating system, card slots, accessories etc. There are mainly two operating systems for PDA: Palm OS or Microsoft Pocket PC.

There are several models and makers of PDA in the market. Always choose the right model that fulfills your needs. Here are some examples of best PDA models: Garmin iQue 3600, Palm Tungsten E, Toshiba Pocket PC e750, Toshiba Pocket PC e335, Sharp Zaurus SL-5600, HP iPaq H5550, Palm n125 and Dell Axim X5.

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Submitted by admin on Tue, 05/18/2010 - 08:25.

MODEM - VITAL NECESSITY FOR NETWORKING

A modem is a tool that permits one computer to link up another and transfers data. The word modem is a short for Modulator/ Demodulator. There are mainly two types of modems i.e. hardware and software. The difference between the two is that ‘Hardware modems’ consist of an on-board controller implemented in hardware, whereas the ‘Software modems’ don't contain any hardware controller.

Hardware modems are best to utilize because they offer exceptional performance, but for an internal modem, software modem would be better. The external serial (RS-232) modems are mostly hardware based, and the USB modems are software based. While buying a modem, you should check the voice quality and also the audio levels. And before the installation of a modem, check the website of manufacturer for any newer drivers, as they would be better.

Compare the different features of the different models of modems, and these include the Chipset, Caller ID, Voice, Speakerphone, and Operating System support. A modem should be independent of Operating System. If you need to run a DOS communications application or you want to install the Linux, your modem should permit you for that.

Always check out the features that a modem has, and also note what it lacks. You can decide what suits you better on the basis of cost, installation, and performance of the modem. An excellent modem is always reliable and practical. The external unit is an easy one to transfer between the different machines like laptop or desktop, so this can save the necessity of buying two modems.

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Submitted by admin on Mon, 05/17/2010 - 08:26.

MAC LAPTOPS – HIGH TECHNOLOGY COMPUTERS

Mac laptop is a Macintosh laptop computer, and this feature a graphical user interface (GUI) that makes use of Windows, icons, and mouse for enhanced performance. All the applications running on a Macintosh PC have identical user interface.

MacBook Pro (MA463LLA) Notebook is the Mac notebook this is reposed on the novel Intel Core Duo. A single chip consists of the two processors makes it a powerful computer. The full-scale iSight camera at the top of MacBook Pro's display provides the video conferencing via iChat, and you don't need any cords to carry around.

MacBook Pro (MA464LLA) Notebook is a specialized notebook computer, which provides excellent performance. It features Intel Core Duo processors and is designed as transportable and strong laptop.

Apple iBook G4 (M9846BA) Mac Notebook is made up of top-quality material, ultra tough polycarbonate plastic. The hard disk drive of the iBook G4 is good enough to store all the digital work. It offers better performance together with Mac OS X. iBook's keyboard is designed to open easily and can also be locked.

Apple iBook (M9848LL/A) Mac laptop is a portable computer with a very fast PowerPC G4 processor. It has Velocity Engine, a slot-loading optical drive, with capabilities of wireless networking. It provides good performance with advanced operating system, Mac OS X v10.3 Panther.

Apple MacBook Pro (MA091LL) is based on a new Intel Core Duo, which means a single chip consist of two processors. It offers Small Cache of 2MB; L2 cache can be shared between the cores. MacBook Pro also provides excellent performance in video editing, 2D and 3D graphics, and music encoding. It has a frontside bus and memory at 667 MHz.

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Submitted by admin on Sun, 05/16/2010 - 08:27.

DELL LATITUDE D410

Dell Latitude D410 is a 3.8 pound ultra-light; 1.2 inch thick ultra-portable and good performance laptop. All these features and long battery life makes it a travel companion. The Latitude D410 is packed with an Intel Pentium M 760 Processor (2 GHz with 533 MHz FSB) based on the 915 GM chipset with 512 Megs of 533 MHz DDR2 RAM.

Latitude D410 is based on the Intel’s Centrino notebook platform, ‘Sonoma’, which brings support for PCI Express, Serial ATA hard disks, DDR2 memory, and the new Express Card format. The display screen used is 12.1 inch XGA (1024 x 768) resolution screen which is conventional 4:3 ratio but it lacks the high contrast reflective coating. The keyboard is not comfortable to use because of small sized keys but the keyboard features the dual navigation and speaker volume control/mute buttons available above the keyboard.

The connectors offered with this system are Ethernet, modem, two USB 2.0 ports, VGA output, one PC card slot, and headphone and microphone jacks. Though there is no built-in optical drive but there is an external MediaBase Docking Station supplied with a DVD-ROM/CD-RW Combo drive. The D410’s 11.1V, 4,800 mAh battery lasts for more than three and a half years.

The other specifications of Latitude D410 are:

• Type- Ultra-portable
• Processor – 2.0 GHz Intel Pentium M 760
• Processor Speed – 1.86 GHZ
• Operating System – Microsoft Windows XP Professional
• RAM – 512 MB (upgradeable to 2GB)
• Graphics Card – Intel Graphics Media Accelerator 900 GM

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Submitted by admin on Sat, 05/15/2010 - 08:28.

DELL INSPIRON 710M

Dell Inspiron 710m is a light-weight, 4.1 pounds, and portable case, 11.7 x 8.5 x 1.5 inches. 710m is considered as a mainstream consumer notebook computer and it is upgraded form of Inspiron 700m. It delivers the basic users need, at relatively higher cost as compared to other notebooks having better features and performance.

Inspiron 710m features Pentium M 755 2-GHz processor, 512 MB memory and a 5,400-rpm 80 GB hard drive. The operating system is Microsoft Windows XP Home Edition which enhances its performance. This notebook is perfect mobile DVD player as it features 12.1-inch TFT active matrix widescreen with glossy finish which offers great viewing with more bright colors. The integrated stereo speaker produces loud and clear sound. Users can create their own movies as well, using an installed DVD burner. It also features Intel Extreme graphics with 64 MB of video RAM.

Apart from above features, 710m has some drawbacks as well like it features a large touch pad which doesn’t match the wide aspect ratio of the screen, some of the keys are undersized, it lacks multi-media controls and features, it is not apt for playing 3D games, and most importantly it includes some previous-generation internal components.

The other details and specifications of Inspiron 710m are:

• Processor Type – Pentium M
• Processor Speed – 1.7 GHZ
• Bus Speed – 400 MHz
• RAM Technology – DDR SD RAM
• CD/DVD Type – CD-RW/DVD ROM
• Display Max. Resolution – 1280 x 800
• Expansion Ports – 2 x USB 2.0, 1 x IEEE 1394a (FireWire), VGA out, RJ-11 (modem), RJ-45 NIC, S-Video Out
• Networking Type – Integrated 10/100 Network Card, Integrated Wireless LAN
• Modem Type – Fax/Modem
• Battery Technology – Lithium Ion

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Submitted by admin on Fri, 05/14/2010 - 08:29.

FREE SOFTWARE

Free software is a matter of liberty, not price. To understand the concept, you should think of free as in free speech, not as in free beer.”

Most of the people think that programming is an important part of software and a challenging processor. A free software program offers full freedom to run, copy, distribute, study and change the software. So a free software program provides full freedom to run the program. It offers full freedom to study how a software program works and adjust it according to your requirements.

It also provides freedom to spread copies, which makes you easy to help your neighbor. A free software program offer full freedom to improve the program. Thus a free software program provided all these types freedom to the users. The people are free for the modification of free software and use them personally for their purpose.

The freedom to run is the freedom for an individual or an organization to use on different types of computers system for various types of purpose. So a user is totally free to run a free software program for his purpose. If a user distributes it to others then they are also free to use this program for their personal purpose.

The freedom to spread copies should include the executable forms of the program and source code for the modified and unmodified version. If there is no opportunity to spread executable form for a particular program (some program languages fails to support the features) then you should be free to distribute these forms.

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Submitted by admin on Fri, 05/14/2010 - 08:29.

SHAREWARE COMPUTER SOFTWARE

Shareware is copyrighted software that is available to download CD free of cost for a fixed length of duration. Shareware is a marketing way of software. Shareware is basically free of charges either downloaded from the magazine cover disk or on Internet. Shareware software program will perform after a payment request. Shareware software distribution license is also payable.

Software is the form of computer program and differentiates it from hardware. Software helps computer to function for difficult tasks. Software is created to use high level computer languages. “Shareware” is the marketing way for selling software. Shareware was formulated in 1982 by a team of three persons known as: Andrew Fleugelman, Jim Button and Bob Wallace. ‘Bob Wallace’ describes word processor PC-write in 1980. Shareware distribution was become a way of publishing games for smaller developers.

The basic concept of the software is that the user can ‘try it before buy’. So the idea behind shareware distribution is let the people try this software before buying the full version. The shareware marketing models are so much popular that these days most of the software companies use the ‘shareware’ marketing models. The Microsoft, Adobe, corel and Google won awards at the 2006 Shareware industry Awards. Shareware is available on all the main computer platforms such as: Microsoft windows, Macintosh and Linux.

With the help of printer Shareware having printouts of any document has become more easy and simple. Printer shareware is best to use it. Shareware software is also easy to exit with the help of a printer driver.

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Submitted by admin on Thu, 05/13/2010 - 08:30.

ANTIVIRUS SOFTWARE

A virus is a program that can infect the other programs. In 1984 Mr. Fred Cohen defined computer virus: “A computer virus”, nothing that “a virus can spread throughout a computer system or network using the authorization of every user using it to infect their programs. Every program that gets infected may also act as a virus and thus the infection grows.” So that’s clear that virus infects the program files and certain types of data files, which created in Microsoft office programs. A smallest virus may damage your computer.

The internet helps these viruses to spare around the world in a very sort time. ‘Antivirus software’ is one of the most important software programs on your PC. Ideal antivirus software should be able to search 100% to provide the sufficient protection. Selecting the best antivirus software is not an easy task but not so much difficult as it seems to be. The software system you select should be based on your system and your requirements. After purchasing anti virus software, you should wait for some time to visit the website to have the current patches and updates.

“Norton’s Anti Virus” installs on FAT and NTFS systems and protects your system from the virus and also repairs the infected files. Norton’s auto protect feature, which loads into memory when the windows starts. Norton’s antivirus software checks your downloaded files and use from the floppy disk for the virus protection.

“PC-cillin” is another option for your virus protection requirement. The software contains same features like other popular antivirus software but its one of the expensive one.

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Submitted by admin on Wed, 05/12/2010 - 08:31.

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Submitted by admin on Tue, 05/11/2010 - 08:32.

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