Wireless laptop adapter cards are necessary for mobile workers to take advantage of hot spots and Wi-Fi Internet access in hotels, airports and train stations. Working on the road is much easier when you can connect to the Internet or company network using a wireless laptop adapter.
1) Linksys WPC54G Wireless-G Notebook AdapterWireless laptop adapter card is compatible with all versions of Windows and has a one year warranty. Wireless G cards can work with both B and G networks which provides mobile users with the best connection options. This wireless laptop adapter card comes with a setup wizard to assist you in installation.
2) D-Link DWL-G650 AirPlus Xtreme G Wireless CardBus AdapterWireless laptop adapter card works with Win98 or later operating systems. It comes with a setup guide and software CD. D-Link offers a three year warranty and 24/7 toll-free customer support.
3) Proxim Orinoco 11a/b/g ComboCard GoldAn easy to install wireless laptop adapter card which comes with a 3 year warranty. The combo card enables you to connect to any wireless network you may encounter while traveling. This network card works well up to a distance of 200ft in wireless G mode. It provides fast throughput of more than 20Mbps in 802.11g mode. This wireless laptop adapter card is well suited to the needs of mobile workers.
4) Airport Extreme CardMobile Mac users can also enjoy the benefits of wireless connectivity while on the road with this wireless laptop adapter card. This wireless laptop adapter card operates on the 802.11g standard and is backward compatible with the 802.11b standard.
5) SMC SMC2835W EZ Connect GCompatible with both Wireless G and B standards, this wireless laptop adapter card can handle bandwidth-intensive applications such as web conferencing. It comes with a setup CD which will install the software automatically. It will operate up to 1,155 feet according to the manufacturer. It also supports both WEP encryption and Wi-Fi Protected Access(WPA).
credit by : Catherine Roseberry, mobileoffice.about.com
Showing posts with label Notebook. Show all posts
Showing posts with label Notebook. Show all posts
Thursday, May 17, 2007
Monday, May 14, 2007
Choosing a notebook computer
Step 1: choose your screen size
Step 2: look for mobile processors and wireless capability
Step 3: decide how much memory and hard drive space you need
Step 4: add the right accessories
Step 1: choose your screen size
Notebook PCs feature LCDs that use active matrix technology (also called Thin Film Transistor, or TFT) to create bright, crisp colors and a fast refresh rate. TFT comes in three formats:
• XGA (Extended Graphics Array): 1024 X 768 resolution (786,000 pixels)
• SXGA (Super Extended Graphics Array): 1280 X 1024 resolution (over 1 million pixels)
• UXGA (Ultra Extended Graphics Array): 1600 X 1200 resolution (nearly 2 million pixels)
The size and quality of the screen is one of the biggest factors in a notebook's price, so carefully consider your needs and balance them against your budget.
If you want the freedom to roam around the house, go down to the local coffee shop, or take an occasional business trip, a notebook with a 15” or 17” screen is the way to go. These make great replacements for desktop PCs, and many feature widescreen aspect ratios, similar to many LCD and plasma TVs. This wider aspect ratio is perfect for watching DVDs and working on multimedia projects. The larger screen will be more comfortable for daily use, but will make your notebook heavier and may drain the battery faster.
Smaller, lighter notebooks are great for frequent travel, or as a companion to your desktop model. Weight will be crucial if you are toting your notebook around campus or through airports every day. Versions with 12" or 13" screens can weigh as little as four or five pounds. The smaller display may not be as easy on the eyes, but your notebook case will be much easier to carry.
Step 2: look for mobile processors and wireless capability Mobile processors such as the Intel® Pentium® M and AMD Sempron™ offer more power in a smaller package as well as longer battery life. Some processors even determine which parts of your PC need the most power and shut down the ones you're not using. These power-saving features are especially helpful when you're on the road and don't have access to an outlet.
Most notebooks also come with built-in wireless capability, perfect for getting online when you’re not at your desk. You'll find public-access hotspots in places like college campuses, coffee shops and airports. You can even create a wireless network in your home and check email in the living room or browse online recipes in the kitchen.
Step 3: decide how much memory and hard drive space you need
Random Access Memory (RAM) is the working memory in your PC. After the processor, RAM is the second biggest factor in overall system speed. As your computer runs programs and works with data, it uses RAM to process the program information. The more memory you have, the faster you will be able to load, print and download your files. To play games or surf the Internet you'll want to start with at least 512MB of RAM. Consider upgrading to 1GB of RAM if you multi-task or work with large files.
Need to know more about Random Access Memory? Look into: The importance of RAM.
The hard drive provides storage for your computer's programs and frequently-used data. Most hard drives today are rated in gigabytes (GB). Not to be confused with RAM, your hard drive is permanent storage for your data. Programs, images, music files and data take up a lot of space on your hard drive, so make sure you start with plenty of room. If you plan to use gaming software or multimedia applications, you'll want the largest hard drive that fits your budget.
Learn more before you choose: Getting the right hard drive.
Step 4: add the right accessories
To take your notebook on the road:
Cases
Docking stations / mobile power
Other travel accessories
To get the most out of your notebook at home:
Wireless networking
Keyboards and mice
External drives and storage
credit by: circuitcity.com
Step 2: look for mobile processors and wireless capability
Step 3: decide how much memory and hard drive space you need
Step 4: add the right accessories
Step 1: choose your screen size
Notebook PCs feature LCDs that use active matrix technology (also called Thin Film Transistor, or TFT) to create bright, crisp colors and a fast refresh rate. TFT comes in three formats:
• XGA (Extended Graphics Array): 1024 X 768 resolution (786,000 pixels)
• SXGA (Super Extended Graphics Array): 1280 X 1024 resolution (over 1 million pixels)
• UXGA (Ultra Extended Graphics Array): 1600 X 1200 resolution (nearly 2 million pixels)
The size and quality of the screen is one of the biggest factors in a notebook's price, so carefully consider your needs and balance them against your budget.
If you want the freedom to roam around the house, go down to the local coffee shop, or take an occasional business trip, a notebook with a 15” or 17” screen is the way to go. These make great replacements for desktop PCs, and many feature widescreen aspect ratios, similar to many LCD and plasma TVs. This wider aspect ratio is perfect for watching DVDs and working on multimedia projects. The larger screen will be more comfortable for daily use, but will make your notebook heavier and may drain the battery faster.
Smaller, lighter notebooks are great for frequent travel, or as a companion to your desktop model. Weight will be crucial if you are toting your notebook around campus or through airports every day. Versions with 12" or 13" screens can weigh as little as four or five pounds. The smaller display may not be as easy on the eyes, but your notebook case will be much easier to carry.
Step 2: look for mobile processors and wireless capability Mobile processors such as the Intel® Pentium® M and AMD Sempron™ offer more power in a smaller package as well as longer battery life. Some processors even determine which parts of your PC need the most power and shut down the ones you're not using. These power-saving features are especially helpful when you're on the road and don't have access to an outlet.
Most notebooks also come with built-in wireless capability, perfect for getting online when you’re not at your desk. You'll find public-access hotspots in places like college campuses, coffee shops and airports. You can even create a wireless network in your home and check email in the living room or browse online recipes in the kitchen.
Step 3: decide how much memory and hard drive space you need
Random Access Memory (RAM) is the working memory in your PC. After the processor, RAM is the second biggest factor in overall system speed. As your computer runs programs and works with data, it uses RAM to process the program information. The more memory you have, the faster you will be able to load, print and download your files. To play games or surf the Internet you'll want to start with at least 512MB of RAM. Consider upgrading to 1GB of RAM if you multi-task or work with large files.
Need to know more about Random Access Memory? Look into: The importance of RAM.
The hard drive provides storage for your computer's programs and frequently-used data. Most hard drives today are rated in gigabytes (GB). Not to be confused with RAM, your hard drive is permanent storage for your data. Programs, images, music files and data take up a lot of space on your hard drive, so make sure you start with plenty of room. If you plan to use gaming software or multimedia applications, you'll want the largest hard drive that fits your budget.
Learn more before you choose: Getting the right hard drive.
Step 4: add the right accessories
To take your notebook on the road:
Cases
Docking stations / mobile power
Other travel accessories
To get the most out of your notebook at home:
Wireless networking
Keyboards and mice
External drives and storage
credit by: circuitcity.com
Sunday, May 6, 2007
About Tablet PC
Tablet PCs are notebook computers with a liquid crystal display (LCD) on which the user writes with a special pen called a stylus. These pens of styli can be wireless devices or attached to the tablet PC via cords or wires. There are two basic types of tablet PCs: traditional and convertible. Traditional products are more rectangular and permit the use of X-Y coordinate logging and optical character recognition (OCR). Convertible products are thin-framed notebook computers that include a foldout keyboard.
Performance specifications for tablet PCs include maximum resolution in lines per inch and maximum sampling rate, the rate at which tablet PCs process user inputs. Accuracy, another important product specification, separates various product lines. Notebook computers that perform standard diagnostic tests can alert users about potential performance problems. Serial interfaces for tablet PCs include universal serial bus (USB), RS232, and RS422. Parallel interfaces include general-purpose interface bus (GPIB), an 8-bit standard. Tablet PCs that use special forms of transistor-transistor logic (TTL) or discrete signals are also available.
Most tablet PCs include special tablet PC software, or standard applications that are compatible with popular operating systems (OS). A basic tablet PC may include a simple word processing application. A more device may include productivity software that provides the user with the ability to schedule tasks or create spreadsheets. Reading a tablet PC comparison or performing an on-line tablet PC review is a good way to learn about product features.
There are many applications for tablet PCs. An industrial tablet PC can be used by plant workers, machine operators, or inspectors in manufacturing environments. A rugged tablet PC can be used by personnel who work outdoors (e.g., forestry, utilities, and construction), or by emergency personnel such as police officers, firefighters and paramedics. In the commercial sector, tablet PCs have become increasingly popular due to increased processor abilities and the development of languages such as Java and Python. A used tablet PC or a refurbished tablet PC is suitable for many applications.
Performance specifications for tablet PCs include maximum resolution in lines per inch and maximum sampling rate, the rate at which tablet PCs process user inputs. Accuracy, another important product specification, separates various product lines. Notebook computers that perform standard diagnostic tests can alert users about potential performance problems. Serial interfaces for tablet PCs include universal serial bus (USB), RS232, and RS422. Parallel interfaces include general-purpose interface bus (GPIB), an 8-bit standard. Tablet PCs that use special forms of transistor-transistor logic (TTL) or discrete signals are also available.
Most tablet PCs include special tablet PC software, or standard applications that are compatible with popular operating systems (OS). A basic tablet PC may include a simple word processing application. A more device may include productivity software that provides the user with the ability to schedule tasks or create spreadsheets. Reading a tablet PC comparison or performing an on-line tablet PC review is a good way to learn about product features.
There are many applications for tablet PCs. An industrial tablet PC can be used by plant workers, machine operators, or inspectors in manufacturing environments. A rugged tablet PC can be used by personnel who work outdoors (e.g., forestry, utilities, and construction), or by emergency personnel such as police officers, firefighters and paramedics. In the commercial sector, tablet PCs have become increasingly popular due to increased processor abilities and the development of languages such as Java and Python. A used tablet PC or a refurbished tablet PC is suitable for many applications.
Monday, April 9, 2007
Notebook (style)
Notebook is a style of writing where people jot down what they have thought or heard at the spur of moment. The contents of a notebook are unorganized, and the number of subjects covered in a notebook are unlimited: a paragraph of autobiography can be followed immediately by one on astronomy or one on history.
Some famous authors are also famous for the notebooks they left. The Italian poet Leopardi kept a notebook, called Zibaldone, from 1817 to 1832. The idea of keeping that, which contains no less than 4,526 pages, was possibly suggested by a priest who fled from the French Revolution and came to live in the poet's hometown. The priest suggested that "every literary man should have a written chaos such as this: notebook containing sottiseries, adrersa, excerpta, pugillares, commentaria... the store-house out of which fine literature of every kind may come, as the sun, moon, and stars issued out of chaos."[1]
There are writers who earned their posthumous fame solely by their notebooks, such as the German scientist and humorous writer Georg Lichtenberg. He called his notebooks "waste book", using the English book-keeping term. He explains the purpose of his "waste book" in his notebook E:
Die Kaufleute haben ihr Waste book (Sudelbuch, Klitterbuch glaube ich im deutschen), darin tragen sie von Tag zu Tag alles ein was sie verkaufen und kaufen, alles durch einander ohne Ordnung, aus diesem wird es in das Journal getragen, wo alles mehr systematisch steht ... Dieses verdient von den Gelehrten nachgeahmt zu werden. Erst ein Buch worin ich alles einschreibe, so wie ich es sehe oder wie es mir meine Gedancken eingeben, alsdann kan dieses wieder in ein anderes getragen werden, wo die Materien mehr abgesondert und geordnet sind.(See on-line source)
The notebooks of scientists, such as those of Michael Faraday and Charles Darwin, can reveal the development of their scientific theories. On the other hand, the notebooks used by scientists for recording their experiments are called lab notebooks.
The notebooks used by artists are usually referred as sketchbooks, which may contain more than sketches. Leonardo da Vinci's notebooks contain his writings on painting, sculpture, architecture, anatomy, mining, inventions and music, as well as his sketches, his grocery lists and the names of people who owed him money.
Some famous authors are also famous for the notebooks they left. The Italian poet Leopardi kept a notebook, called Zibaldone, from 1817 to 1832. The idea of keeping that, which contains no less than 4,526 pages, was possibly suggested by a priest who fled from the French Revolution and came to live in the poet's hometown. The priest suggested that "every literary man should have a written chaos such as this: notebook containing sottiseries, adrersa, excerpta, pugillares, commentaria... the store-house out of which fine literature of every kind may come, as the sun, moon, and stars issued out of chaos."[1]
There are writers who earned their posthumous fame solely by their notebooks, such as the German scientist and humorous writer Georg Lichtenberg. He called his notebooks "waste book", using the English book-keeping term. He explains the purpose of his "waste book" in his notebook E:
Die Kaufleute haben ihr Waste book (Sudelbuch, Klitterbuch glaube ich im deutschen), darin tragen sie von Tag zu Tag alles ein was sie verkaufen und kaufen, alles durch einander ohne Ordnung, aus diesem wird es in das Journal getragen, wo alles mehr systematisch steht ... Dieses verdient von den Gelehrten nachgeahmt zu werden. Erst ein Buch worin ich alles einschreibe, so wie ich es sehe oder wie es mir meine Gedancken eingeben, alsdann kan dieses wieder in ein anderes getragen werden, wo die Materien mehr abgesondert und geordnet sind.(See on-line source)
The notebooks of scientists, such as those of Michael Faraday and Charles Darwin, can reveal the development of their scientific theories. On the other hand, the notebooks used by scientists for recording their experiments are called lab notebooks.
The notebooks used by artists are usually referred as sketchbooks, which may contain more than sketches. Leonardo da Vinci's notebooks contain his writings on painting, sculpture, architecture, anatomy, mining, inventions and music, as well as his sketches, his grocery lists and the names of people who owed him money.
Laptop
A laptop computer, or simply laptop (also notebook computer or notebook), is a small mobile computer, which usually weighs 2.2-18 pounds (1-6 kilograms), depending on size, materials, and other factors.
While the terms laptop and notebook are often used interchangeably, "laptop" is the older term, introduced in 1983 with the Gavilan SC. "Notebook computer" is a later coinage, which was used to differentiate smaller devices such as those of the NEC UltraLite and Compaq LTE series in 1989, which were, in contrast to previous laptops, the approximate size of an A4 or letter size paper sheet.[1] The terms are imprecise: due to heat and other issues, many laptops are inappropriate for use on one's lap, and most notebooks are not the size of typical letter or A4 paper notebook. Although some older portable computers, such as the Macintosh Portable and certain Zenith TurbosPort models, were sometimes described as "laptops", their size and weight were too great for this category.
As of 2007, most manufacturers use the term "notebook" (or some variant thereof) for what most end-users call a "laptop".
Laptops usually run on a single main battery or from an external AC/DC adapter which can charge the battery while also supplying power to the computer itself. Many computers also have a 3volt cell to run the clock and other processes in the event of a power failure.
As personal computers, laptops are capable of the same tasks as a desktop PC, although they are typically less powerful for the same price. They contain components that are similar to their desktop counterparts and perform the same functions, but are miniaturized and optimized for mobile use and efficient power consumption. Laptops usually have liquid crystal displays and most of them use different memory modules for their random access memory (RAM), for instance, SO-DIMM in lieu of the larger DIMMs. In addition to a built-in keyboard, they may utilize a touchpad (also known as a trackpad) or a pointing stick for input, though an external keyboard or mouse can usually be attached.
Many schools have taken in laptop based programs in which every student receives a laptop for school use only. The operating system is configured (or a third party program is installed) to limit the student's access to perform administrative tasks such as hardware or software installation, or operating system modifications. Students are generally permitted to use these systems to take notes, write papers, and perform other school-related activities.
While the terms laptop and notebook are often used interchangeably, "laptop" is the older term, introduced in 1983 with the Gavilan SC. "Notebook computer" is a later coinage, which was used to differentiate smaller devices such as those of the NEC UltraLite and Compaq LTE series in 1989, which were, in contrast to previous laptops, the approximate size of an A4 or letter size paper sheet.[1] The terms are imprecise: due to heat and other issues, many laptops are inappropriate for use on one's lap, and most notebooks are not the size of typical letter or A4 paper notebook. Although some older portable computers, such as the Macintosh Portable and certain Zenith TurbosPort models, were sometimes described as "laptops", their size and weight were too great for this category.
As of 2007, most manufacturers use the term "notebook" (or some variant thereof) for what most end-users call a "laptop".
Laptops usually run on a single main battery or from an external AC/DC adapter which can charge the battery while also supplying power to the computer itself. Many computers also have a 3volt cell to run the clock and other processes in the event of a power failure.
As personal computers, laptops are capable of the same tasks as a desktop PC, although they are typically less powerful for the same price. They contain components that are similar to their desktop counterparts and perform the same functions, but are miniaturized and optimized for mobile use and efficient power consumption. Laptops usually have liquid crystal displays and most of them use different memory modules for their random access memory (RAM), for instance, SO-DIMM in lieu of the larger DIMMs. In addition to a built-in keyboard, they may utilize a touchpad (also known as a trackpad) or a pointing stick for input, though an external keyboard or mouse can usually be attached.
Many schools have taken in laptop based programs in which every student receives a laptop for school use only. The operating system is configured (or a third party program is installed) to limit the student's access to perform administrative tasks such as hardware or software installation, or operating system modifications. Students are generally permitted to use these systems to take notes, write papers, and perform other school-related activities.
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