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Computer Buying Giuide - Features

Wednesday, 20 May 2009 04:36 Layla Majnun
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Features

The key components of a computer are the processor, memory, operating system, hard drive, graphics adapter (with video RAM), optical drive, and display (monitor). Laptop computers have additional features and considerations that are important. Where applicable, we've noted feature information that is important and distinctive to the type of computers.

Processor  | Random access memory (RAM)  | Operating system  | Graphics adapter and video RAM  | Hard drive  | Optical drive  | Monitor  | Display  | Case  | Battery  | Mouse  | Touchpad  | Keyboard  | Sound system  | Ports  | Card slots  | Docking station  | Log-on security
 
processor

Processor

 
This is the computer's "brains." Clock speed, measured in gigahertz (GHz), and the chip's design, termed "architecture," determine how quickly it can process information. Within a processor family, the higher the clock speed, the faster the computer. But different processor families reach different efficiencies. Read more...

Last Updated ( Thursday, 18 June 2009 03:05 )
 

Important features PDAs

Wednesday, 20 May 2009 04:33 Layla Majnun
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 Whichever operating system your PDA uses, you might need to install programs in your computer to enable the PDA to synchronize with it. This software lets you swap data with leading PIM programs such as Lotus Organizer or Microsoft Outlook.

All PDAs have the tools for basic tasks: a calendar to keep track of your appointments, contact/address software for addresses and phone numbers, tasks/to-do lists for reminders and keeping track of errands, and a calculator. A notes/memo function lets you make quick notes to yourself. Other capabilities include word-processing, spreadsheet, and e-mail functions. A voice recorder, which uses a built-in microphone and speaker, works like a tape recorder. MP3 playback lets you listen to digital-music files stored in that format, and a picture viewer lets you look at digital photos. A few models also include a built-in digital camera and keyboard.

A PDA’s processor is the system’s brain. In general, the higher the processing speed of this chip, the faster the PDA will execute tasks--and the more expensive it will be. But higher-speed processors may require more battery power and thus deplete batteries more quickly. Processing speeds are 200 to 624 megahertz (MHz), and models typically have 16 to 256 megabytes (MB) of user memory. Even the smallest amount in that range should be more than enough for most people. Read more ...

Last Updated ( Thursday, 18 June 2009 03:05 )
 

Best Laptops Under $500

Wednesday, 20 May 2009 04:27 Layla Majnun
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Although ThinkPads have a reputation for being pricier premium notebooks intended for business travelers, a little smart shopping can land you this budget model on a shoestring. It's not as fast as the flagship T-series, or as light as the X-series, but the R61 has been reviewed favorably in its price range and includes many of the same features Lenovo rolls into those pricier ThinkPads. When ordering, make sure to choose the second-from-cheapest model to get an Intel Dual Core processor rather than a Celeron M (a bargain upgrade for only $32 more tacked onto the final price). Also make sure to select the cheapest Windows Vista option to sneak in under the $500 mark. The coupon code USP3PAYPAL will take an extra 15 percent off when ordering from Lenovo, lowering the notebook to $487.69
 
laptop 1

Dell Vostro 1000
$399.99

Dell's bottom-of-the-line notebook won't turn any heads, or win any head-to-head benchmark comparisons, but its $399 starting price makes it impossible to ignore. Since this isn't from a sale, mark-down or coupon, you're also free to add the options you really need. For instance, laying out $25 for the Athlon 64 X2 Dual-Core processor instead of the Sempron would be wise. Read more...
Last Updated ( Thursday, 18 June 2009 03:05 )
 

Internet growing weapon in Asian radicalization (Reuters)

Friday, 06 March 2009 11:03 Layla Majnun
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SYDNEY (Reuters) - Extremist groups in Southeast Asia are increasingly using the internet and social networking to radicalize the youth of the region, said a new security report released Friday.

Internet usage in Southeast Asia has exploded since 2000 and extremist groups have developed a sophisticated online presence, including professional media units.

"For extremist groups in our region, the internet is an increasingly important tool for recruitment to violence," said the report by the Australian Strategic Policy Institute and S. Rajaratnam School of International Studies in Singapore.

"Importantly, they aren't attacking only the West, but are drawing on their narrative to attack the governance arrangements of regional states," said the report titled "Countering internet radicalization in Southeast Asia" (www.aspi.org.au/).

The report said online extremism first appeared in Southeast Asia in early 2000, particularly in the Bahasa Indonesia and Malay language cyber-environment.

Since then internet usage in the region has exploded and so too have extremist websites, chat rooms and blogs.

The number of radical and extremist websites in Bahasa and Malay rose from 15 in 2007 to 117 in 2008. Of those, sympathetic websites rose from 10 to 16 and sympathetic blogs and social networking rose from zero to 82. Read more...

 

Last Updated ( Thursday, 18 June 2009 03:05 )
 

Obama's safety net: the TelePrompter

Friday, 06 March 2009 10:59 Layla Majnun
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President Barack Obama doesn’t go anywhere without his TelePrompter.

The textbook-sized panes of glass holding the president’s prepared remarks follow him wherever he speaks.

Resting on top of a tall, narrow pole, they flank his podium during speeches in the White House’s stately parlors. They stood next to him on the floor of a manufacturing plant in Indiana as he pitched his economic stimulus plan. They traveled to the Department of Transportation this week and were in the Capitol Rotunda last month when he paid tribute to Abraham Lincoln in six-minute prepared remarks.

Obama’s reliance on the teleprompter is unusual — not only because he is famous for his oratory, but because no other president has used one so consistently and at so many events, large and small.

After the teleprompter malfunctioned a few times last summer and Obama delivered some less-than-soaring speeches, reports surfaced that he was training to wean himself off of the device while on vacation in Hawaii. But no such luck. Read more ....

 

Last Updated ( Thursday, 18 June 2009 03:05 )
 
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