COMPUTER HARDWARE
Computer hardware can be a mechanical, magnetic, electronic component or a physical part including the digital circuitry used to make a computer system.
The hardware is not to be changed again and again like data and software. Most of the common people don’t have any basic knowledge about hardware and only personal computer holders, electricians and hardware students have seen the hardware devices.
Mother board, power supply, storage controllers, video display controller, internal storage, sound card and networking are few essential parts of computer hardware.
Random Access Memory is like a blank piece of paper that the computer system keeps notes in. Memory is accessed faster than the hard drive. Ram works with two features as: size and Speed. Memory size is expressed in Megabytes or Gigabytes.
A hard drive is the place where computer stores all the data. All the written information Stays there, even when the computer is powered off.
‘’Computer fan’ works to decrease the temperature of the computer and it’s basically attached to the CPU. ‘Power supply’ holds transformer, voltage and a cooling fan and supplies electric power to all parts of the computer.
‘Video display controller’ produces the output for computer display. A printer produces a copy of documents while monitor is a device that displays the video signals. Networking connects the computer with internet and other computers. Thus Hardware is all about the internal parts of the computer that operates the whole functions.
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COMPUTER SOFTWARE
A Computer Software is an organized collection of computer data and instructions i.e. source code and libraries collection store, used to perform operations of a computer. Software is created with programming languages and related utilities like script interpreters, compliers, linkers, editors, debuggers etc. It provides information to the computer hardware to perform the functions it implements. Computer software is loaded into the Random Access Memory (RAM).
The external qualities of software are usefulness, performance, correctness, reliability, robustness, usability, and user documentation etc. The internal qualities include correctness, changeability, reusability etc. Computer software is categorized as: System software & Application software.
System software control, integrate and manage all the hardware components of a computer. It consists of an operating system, disk formatters, file managers, display managers, text editors, networking and device controlled software etc. On the other hand, Application software consists of a single program, software packages that work closely together to accomplish a task, and a software suite having common user interface consisting word processor, spreadsheets, databases etc.
Platform software allows the user to interact with the computer and its peripherals. Application softwares are the independent programs from the operating system and perform specific functions like compilers, databases etc. User-written software includes graphics, animation scripts, spreadsheet templates etc.
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Submitted by admin on Wed, 05/19/2010 - 08:24.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.
Your laptop mainly needs 256MB RAM for Windows XP and Mac OS X. Some latest models offer a storage space of 60 to 100 GIGS and you can also extend the storage space by using external hard drive. Laptops are costlier than desktop computers. Laptops are of great use for those who have traveling jobs. Laptops are meant for your whole life so never compromise with quality. Always choose the best laptop that fulfills your all needs.
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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 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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REVIEW: TOSHIBA 42HP66 42" PLASMA HDTV
Toshiba is a well-liked player in television market that offers its products with good combination of superiority and excellence. Toshiba 42HP66 42" Plasma HDTV is a great gift of the company to its customers. Toshiba 42HP66 42" Plasma is stylish, hottest HDTV designed with latest technologies. This TV delivers crisp and clear images, surrounded sound that can create theatre environment in your home.
Toshiba 42HP66 plasma screen HDTV features elegantly black cabinet and space-saving bottom mounted speaker system. Cinema Mode 3:2 pulldown, correct frame rate, prevention of distortion are some of the main features of this model. This model work on Toshiba's CableClear DNR+ technology, which optimizes poor NTSC signals from cable sources. Digital 3D/YC comb filter feature of this plasma balance frames and settle on the existence and extent of video noise.
Five adjustable TheaterWide® modes allow you to create a customized display for an astounding screening experience. You can enjoy the stellar clarity of high-definition with color detail enhancer that maintains fine image detail in color-saturated areas. SRS® WOW™ technology featuring 3D, TruBass and FOCUS creates a rich, layered and robust audio experience through the built-in speakers. This set has two stereo speakers that provide 10 watts of power per channel and SRS WOW virtual surround sound.
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Submitted by admin on Sat, 05/15/2010 - 08:28.NOKIA 3230 REVIEW
In this modern and rapidly growing world of technology mobile phones have become an important part of our stylish lifestyles. Almost all of us use mobile phones for different purposes like: for effective communication, browsing the internet, listening music and many other purposes. Nokia mobile phones have made a distinct uniqueness with their glossy designs and versatility in functions. Nokia seems to make a phone for every occasion these days. It is the first choice of customers who trust in excellence, superiority and latest technology.
Nokia 3230 is a perfect arrangement of hottest style and latest features. It is a large screen phone with a complete set of popular features- great sound, mega pixel camera, video recording of up to one hour, MP3 player, Bluetooth wireless games, FM radio, polyphonic ring tones composer and fast internet access. Nokia 3230 is one of the lightest smart phones available - at 110g with 32 Mega bytes memory.
Nokia 3230 is available in two shades red and black. Both designs offer screen edging, side insertion colors and a back panel. Nokia 3230 offers facility of video camera with video recording up to one hour video editing. Its large colored screen with 65,536 colors and adjustable brightness catch the attention of every customer.
You can have fun with java games and multiplayer Bluetooth games using Nokia 3230. Nokia 3230 offers 4 hours of talk time and up to 230 hours of standby time. Nokia 3230 provides excellent SMS, MMS, instant messaging and email services to its customers. Enjoy visual radio, polyphonic ring tones and music with MP3 music player.
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Submitted by admin on Fri, 05/14/2010 - 08:29.REVIEW: CANON ELPH SPORT UNDERWATER CAMERA
Underwater cameras are excellent tools to capture amazing scenes underneath the oceans. These cameras are specially designed for still and video photography of oceanic life. Underwater cameras are great for deep-sea divers and the snorkeling community. The special technique used to design the underwater cameras enables them to be completely submerged underwater and to face the water and ocean pressure.
Underwater cameras are available in a variety of designs. One of the best-known brands of underwater cameras is Canon and it offers a wide range of designs having different features. Elph Sport underwater camera is most popular model of Canon. Its idiosyncratic rounded, translucent green style attracts the underwater photographers. Canon Elph Sport underwater camera is handy, light weight and portable. Its weight is only 7.8 ounces and it size is just about 4.1 by 2.9 by 1.8 inches.
Its advanced features, easy operations and sporty waterproof body give excellent results. Canon Elph Sport camera is submersible to 16.4 feet and you can capture stunning photographs. The extra large viewfinder of Canon Elph Sport camera allows its users to shoot the amazing scenes even if photographer has worn dive goggles. Larger-format controls enable to control the functions of Canon Elph Sport even when wearing gloves.
Anticondensation feature of this camera protect the lens from fog and moist temperatures. In addition to these special features Canon Elph Sport cameras also encompass all of the basic features like easy drop-in film loading, three shooting formats, built-in date, time, and caption imprinting on the back of the photo, and print quality improvement (PQI). Canon Elph Sport cameras, make underwater shooting easy and simplistic.
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NOKIA N72 - A CHIC MOBILE WITH PERFECT TECHNOLOGY
Nokia, one of the top most leaders in mobile communications is now presenting N series, a collection of remarkable multimedia devices with high performance. N72 is a dashing, new model of Nokia N series range. It is duly outfitted with modern technology and a variety of appealing features to perform various things with much ease. N72 allows you to capture and share the pictures, record videos, enjoy music player, FM radio and many more features.
With its attractive design, Nokia N72 is available in pearl pink or gloss black colors. Nokia N72 is perfect for those who want style with high quality. This stylish multimedia mobile is equipped with a 2-megapixel camera. Due to its integrated flash you can capture the photographs even in low light conditions. You can make audio and video clips also. Later you can edit, print and send the images via internet.
If you love music, you can rock with Nokia N72. It offers the facility of digital music player; you can record your favorite music from CDs and create play lists. By activating the music key you can enjoy your much loved music track. You can enjoy the FM radio with this multimedia device. Nokia N72 offers SMS, MMS, EMS and speaker phone facilities.
Nokia N72 is available in two colors with size 108.8mm x 53.3mm x 17.5mm and weight 124g. Its battery life is 260 hours standby time is 3.5 hours talk time. With internet connection you can send an email and chats with your friends. It also provides the facility of Bluetooth. Nokia N72 has internal memory of 20MB. Nokia N72 with its trendy and elegant design, wonderful and perfect technology, lets you to match your multimedia device to your interestingness.
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APPLE IPODS
Apple iPods are modish, hottest and most popular wireless devices in the market today. iPods are all in one gadgets that seem to do wonders. iPods are great products that bring lot of bliss. At present everyone wants to have an iPod. iPods are well- liked by people due to their petite size and easy portability. iPods are capable of playing music while you are on the move, managing your personal and business consignments, stashing photos which you can show to your friends simply at the touch of a button.
iPods were introduced by the Apple Computers in 2003 as handy music systems. With passage of time new models were introduced by Apple. iPod can holds up to 15,000 songs and up to 25,000 photos. It plays video or photo slideshows on TV via the optional Dock. Its battery life is 20 hours and it can hold up to 150 hours of video.
Having portable speakers permit you to place your Apple I-Pod in your pocket and play songs for you. You can easily record your unforgettable moments by using a voice recorder. iPod has capability to play MP3 audio file formats; M4A / AAC LC audio file formats, WAV audio and Protected AAC file formats, audible audio book audio file formats, Apple Lossless audio file formats. iPod works with Mac OS X or Windows 2000/XP.
The latest versions of iPod has new click wheel that let you to organize various functions with one finger, the shuffle mode from the top of the wheel allow randomizing your music play. You can easily control the play, stop, pause, forward, and rewind from the click wheel. There are many different models of Apple I-Pods in the market like Apple iPod Photo 60GB, Apple iPod Photo 30GB, Apple iPod 20GB U2 and Apple iPod 20GB 4th Gen.
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Foo-Mac.Com — Your Computer Hardware & Software Guide
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foo-mac.com is the site where you can find latest information update, and tips on computer hardware and software–computer hardware – used computer hardware, discount computer hardware, computer hardware repair, computer hardware online, computer hardware review, cheap computer hardware, computer desk hardware, motherboard, central processing unit, computer fan, random access memory, firmware, internal buses, external bus controllers, computer power supply, hard disk, cd-rom, graphics card, cd-rom drive, cd writer, dvd-rom drive, dvd writer, dvd-ram drive, bd-rom drive, bd writer, computer storage devices, such as cd, dvd, blu-ray disc, hd dvd, floppy disk, zip drive, usb flash drive, tape drive, hard disk, solid state drive, disk array controller, sound card, computer network, modem, network card, direct cable connection, computer input devices – keyboard, mouse, trackball, joystick, gamepad, game controller, image scanner, webcam, microphone, computer output devices – printer, monitor, speakers, headset
computer software – system software, programming software, application software, business software, educational software, medical software, free software, freeware, shareware, custom software, antivirus software, spyware, etc.
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