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SOFTWARE DEVELOPMENT LIFE CYCLE

SOFTWARE DEVELOPMENT LIFE CYCLE

Curtain Raiser

Like any other set of engineering products, software products are also oriented towards the customer. It is either market driven or it drives the market. Customer Satisfaction was the buzzword of the 80's. Customer Delight is today's buzzword and Customer Ecstasy is the buzzword of the new millennium. Products that are not customer or user friendly have no place in the market although they are engineered using the best technology. The interface of the product is as crucial as the internal technology of the product.

Market Research

A market study is made to identify a potential customer's need. This process is also known as market research. Here, the already existing need and the possible and potential needs that are available in a segment of the society are studied carefully. The market study is done based on a lot of assumptions. Assumptions are the crucial factors in the development or inception of a product's development. Unrealistic assumptions can cause a nosedive in the entire venture. Though assumptions are abstract, there should be a move to develop tangible assumptions to come up with a successful product.

Research and Development

Once the Market Research is carried out, the customer's need is given to the Research & Development division (R&D) to conceptualize a cost-effective system that could potentially solve the customer's needs in a manner that is better than the one adopted by the competitors at present. Once the conceptual system is developed and tested in a hypothetical environment, the development team takes control of it. The development team adopts one of the software development methodologies that is given below, develops the proposed system, and gives it to the customer.

The Sales & Marketing division starts selling the software to the available customers and simultaneously works to develop a niche segment that could potentially buy the software. In addition, the division also passes the feedback from the customers to the developers and the R&D division to make possible value additions to the product.

While developing a software, the company outsources the non-core activities to other companies who specialize in those activities. This accelerates the software development process largely. Some companies work on tie-ups to bring out a highly matured product in a short period.

Popular Software Development Models

The following are some basic popular models that are adopted by many software development firms

A. System Development Life Cycle (SDLC) Model
B. Prototyping Model
C. Rapid Application Development Model
D. Component Assembly Model

SOFTWARETRIP

SOFTWARETRIP

SoftTH allows using three monitor "triplehead" with Direct3D 8 and 9 games without special hardware. You need three monitors attached to PCI Express video cards. Only one card does all the rendering work, so secondary card can be a low end card, only Direct3D support is required.

SoftTH works by rendering the whole scene on one display adapter, which then gets split into three parts to be displayed on each monitor. While it is technically possible to use it on a AGP/PCI card, only PCI Express has the required bandwidth to get good framerates.

Look for a diagram of it's basic operation

New! An 'official' for SoftTH

Compatibility and performance

While SoftTH can theoretically be compatible with any Direct3D 8 or Direct3D 9 game, some features used by games could not be yet suppoted or they can use special features which are incompatible with SoftTH. A common problem is also that the game cannot handle the aspect ratio, which results in a stretched image.

Examples of SoftTH compatibility with some games tested:

Working correctly:

• Live for Speed S2
• Operation Flashpoint
• Lock On Modern Air Combat
• Richard Burns Rally
  * Needs forceHorizontalFOV set to 1
• Elder Scrolls 4 - Oblivion
• rFactor
• X3 Reunion
• GTR 2
• GT Legends
• Test Drive Unlimited
  * Enable hooks and doScaleMouseCoordinates to fix cursor clipping
• Armed Assault
• Trackmania series
• BMW M3 Challenge
• Nascar Racing 2003
• The Witcher
• Company of Heroes
• Call of Duty 2
• Call of Duty 4
• GTR Evolution
• Team Fortress 2
• Fallout 3

Not working:

• IL-2 Sturmovik
  - Doesn't work (OpenGL game, with dx8wrapper sets incorrect videomode)
• Microsoft Flight Simulator X
  - Frame rendered only on left monitor, mouse not working correctly
• careinfo111.blogspot.com
  

Tests above are run with the following system configuration:

• Intel Core 2 Duo E6600 overclocked to 3,4GHz
• Gigabyte X38-DQ6
• careinfo111.blogspot.com
  
• 2GB of memory
• GeForce 8800GTS 512MB PCI-e 2.0 (Rendering, middle monitor and right monitor)
• GeForce 8400GS PCI-e (Left monitor)
• Windows XP Pro SP2
• 
  

INTEL DG31PR MOTHER BOARD

Form factor microATX (8.60 inches by 9.60 inches [218.44 millimeters by 243.84 millimeters])
Processor

* Support for an Intel® Core™2 Quad processor (95 W TDP) in an LGA775 socket with a 1333 or 1066 MHz system bus
* Support for an Intel® Core™2 Duo processor in an LGA775 socket with an 1333, 1066 or 800 MHz system bus
* Support for an Intel® Pentium® processor in an LGA775 socket with an 800 MHz system bus
* Support for an Intel® Celeron® 400 sequence processor in an LGA775 socket with an 800 MHz system bus

Memory

* Two 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets
* Support for DDR2 800 MHz or DDR2 667 MHz DIMMs
* Support for up to 4 GBΣ of system memory

Chipset

* Intel® G31 Express Chipset

Audio

Intel® High Definition Audio subsystem in the following configuration:

* 6-channel (5.1) audio subsystem using the Realtek
* ALC888 audio codec

Video Intel® Graphics Media Accelerator 3100 onboard graphics subsystem
I/O control Legacy I/O controller for diskette drive, serial header, and PS/2* ports
LAN support Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Realtek* RTL8111-GR Gigabit Ethernet Controller
Peripheral interfaces

* Eight USB 2.0 ports
* Four Serial ATA IDE interfaces
* One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support
* One serial port header
* One diskette drive interface
* careinfo111.blogspot.com

Expansion capabilities

* Two PCI Conventional* bus add-in card connectors
* One PCI Express* x1 bus add-in card connectors
* One PCI Express x16 bus add-in card connectors

Related products
Processors

* Intel® Core™2 Quad processor
* Intel® Core™2 Duo processor
* Intel® Pentium® processor
* Intel® Celeron® 400 Sequence processor

Chipsets

* Intel® G31 Express Chipset

Intel ® Desktop Board DG31PR Classic Series has been optimized to deliver new levels of performance and reliability for home and business customers.

Intel Desktop Board DG31PR is built to withstand a variety of processors, including Intel ® Core ™ 2 Quad (95W TDP) and Intel ® Core ™ 2 Duo.
This board can support up to 4GB Dual Channel DDR2 800/667 MHz SDRAM.
It also offers Intel ® High Definition Audio with 5.1 surround sound, integrated 10/100/1000 Network connection and ample USB connectors for all your computer paraphernalia.

careinfo111.blogspot.com

AMD TRI-CORE PROCESSOR

AMD TRI CORE PROCESSOR

Get the performance you need while multitasking and still get the long battery life you want while on the go.

With true multi-core technology, notebook PCs based on AMD Turion X2 Ultra Dual-Core Mobile Processors and AMD Turion X2 Dual-Core Mobile Processors can deliver significantly greater bandwidth with support for power-optimized HyperTransport 3.0 technology and PCI Express 2.0, increasing data throughput and improving system performance while helping to extend battery life. careinfo111.blogspot.com

Next-Generation Power Management
Get long battery life with performance on demand. Enhanced AMD PowerNow! Technology dynamically switches performance states (processor core voltage and operating frequency) based on processor performance requirements enabling today’s more mobile and demanding PC user to extend battery life. With AMD Dynamic Power Management, each processor core, and the integrated memory controller and HyperTransport technology controller are powered by a dedicated voltage plane to give you the performance you need while multitasking on the go. Independent Dynamic Core Technology extends battery life by dynamically optimizing the operating frequency for each core in the processor based on end-user application needs. And AMD CoolCore Technology extends notebook usage while on battery by turning off processor features that are not being used.

Range Of Products Provide Smarter Choices For The Money
Choose the right performance for your mobile lifestyle. Mobile solution options include AMD Turion X2 Ultra Dual-Core Mobile Processors, careinfo111.blogspot.com which are designed to enable extreme performance and mobility, and AMD Turion X2 Dual-Core Mobile Processors, which deliver exceptional performance and long battery life. All to give more choices to today’s more mobile PC users.

The Security And Reliability You Want With The Value You Expect For The Long-Term
Run the 32-bit applications of today and the 64-bit applications of tomorrow. careinfo111.blogspot.comGet the advantage of today’s powerful applications in a power-efficient notebook PC with the forward-thinking technology to support the advanced applications of the future. Take comfort in security innovations such as Enhanced Virus Protection.

Asus M3A79-T Deluxe

ASUS M3A79-T DELUXE

AMD Socket AM2+ / AM2 Processors
for AMD® Phenom™ FX / Phenom™ / Athlon™ / Sempron™ processors
AMD Cool 'n' Quiet™ Technology
Supports CPU up to 140W
Chipset

AMD 790FX/SB750
System Bus

Up to 5200 MT/s Up to 5200 MT/s HyperTransport™ 3.0 interface for AM2+ CPU
2000 / 1600 MT/s for AM2 CPU
Memory

4 x240-pin DIMM, Max. 16 GB, DDR2 1066/800/667 Memory
Dual Channel memory architecture
*Due to AMD CPU limitation, DDR2 1066 is supported by AM2+ CPU for one DIMM per channel only. Refer to www.asus.com for the memory QVL (Qualified Vendors Lists).
**Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
Expansion Slots

4 x PCIe 2.0 x16 slots with ATI CrossFireX™ support (@ dual x16, triple x16 / x8 / x8, or quad x8 modes)
2 x PCI 2.2
CrossFire

Supports ATI CrossFireX™ graphics cards; up to Quad CrossFireX™
Storage

Southbridge
1 xUltraDMA 133/100/66
6 xSATA 3 Gb/s ports
Support RAID 0,1,5,10
Marvell® 88SE6111 SATA controller
1 x External SATA 3Gb/s port (SATA On-the-Go)
LAN

Marvell® 88E8056 Gigabit LAN controller featuring AI NET 2
Audio

ADI® AD2000B 8 -Channel High Definition Audio CODEC
- Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking
- Coaxial / Optical S/PDIF Out ports at back I/O
- ASUS AI Audio 2
- ASUS Noise Filtering
IEEE 1394

LSI® L-FW3227 controller supports 2 x 1394a ports (1 at mid-board; 1 at back panel)
USB

12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)
ASUS AI Lifestyle Features


ASUS Quiet Thermal Solutions:
- ASUS 8+2 Phase Power Design
- ASUS Fanless Design: Heat pipe solution
- ASUS Fanless Design: Stack Cool 2
- ASUS Q-Fan 2
ASUS Express Gate:
- Access the Internet in 5-second* boot time without entering Windows
- Friendly picture manager interface
*Actual boot time subject to hardware configuration.
ASUS Power Saving Solutions:
- ASUS AI Gear 2
- ASUS AI Nap
ASUS Crystal Sound:
- ASUS AI Audio 2
- ASUS Noise Filtering
ASUS EZ DIY:
- ASUS Q-Shield
- ASUS Q-Connector
- ASUS O.C. Profile
- ASUS CrashFree BIOS 2
- ASUS EZ Flash 2
- Onboard Switch
Overclocking Features

Intelligent overclocking tools:
- AI Overclocking (Intelligent CPU Frequency Tuner)
- AI Booster Utility
Precision Tweaker 2:
- vCore: Adjustable CPU voltage at 0.0125V increment
- vDIMM: 36-step DRAM voltage control
- vChipset (NB): 16-step Chipset voltage control
SFS (Stepless Frequency Selection)
- FSB tuning from 200MHz up to 600MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
Overclocking Protection:
- ASUS C.P.R. (CPU Parameter Recall)
Special Features

ASUS MyLogo 2™
Back Panel I/O Ports

1 x PS/2 Keyboard / Mouse combo port
1 x Optical + 1 x Coaxial S/PDIF Out ports
1 x External SATA port
1 x IEEE1394a port
1 x LAN (RJ45) port
6 x USB 2.0/1.1 ports
8-channel Audio I/O ports
Internal I/O Connectors

3 x USB connectors support additional 6 USB ports
1 x Floppy disk drive connector
1 x IDE connector
1 x COM connector
6 x SATA connectors
1 x CPU Fan connector
2 x Chassis Fan connectors
1 x Power Fan connector
1 x IEEE1394a connector
Front panel audio connector
1 x S/PDIF Out header
Chassis Intrusion connector
CD audio in
24-pin ATX Power connector
System Panel (Q-Connector)
8-pin ATX 12V Power connector
Power on Switch
Reset Switch
BIOS

8 Mb Flash ROM
AMI BIOS, PnP, DMI 2.0, SM BIOS 2.5, ACPI 2.0a, ASUS EZ Flash 2, ASUS CrashFree BIOS 2
Manageability

WOL by PME, WOR by PME, WOR by Ring, Chasis Intrusion, PXE
Accessories

2 x ASUS CrossFire bridge cables
1 x UltraDMA 133/100/66 cable
6 x Serial ATA cables
1 x 2-port Serial ATA power cable
1 x Q-Shield
1 x User's manual
1 x Multi-functional module (1-port IEEE 1394a + 2-port USB2.0)
1 x Q-connector Kit (USB, 1394, system panel; Retail version only)
*The floppy disk drive cable is purchased separately
Support Disc

Drivers
ASUS Express Gate
ASUS PC Probe II
ASUS Update
ASUS AI Suite
AMD OverDrive Utility (AOD)
Anti-virus software (OEM version)
Form Factor

ATX Form Factor
12 x 9.6 ( 30.5 cm x 24.4 cm ) Let's move onto performance.

NVIDIA nFORCE 780a SLI

NVIDIA nFORCE 780a SLI

CPU AMD
Processor Supported Phenom
Athlon 64 X2
Athlon 64 FX
Athlon 64
Socket Supported AM2+
PCI Express 2.0 yes
HT Speed HT3
NVIDIA SLI®-ready 3-Way
DDR Support DDR2
SLI-Ready Memory yes
SATA/PATA Drive Support 6/2
NVIDIA MediaShield Storage yes
NVIDIA MediaShield RAID 0, 1, 0+1, 5
Audio Specification HDA (Azalia)
USB Ports 12
ESA-Certified yes
Gigabit Ethernet Connections 1
NVIDIA FirstPacket technology yes
PCI Express x16 slots 3
PCI Slots 5
NVIDIA Control Panel yes
Vista Support yes
NVIDIA System Monitor yes
NVIDIA GeForce Boost yes
NVIDIA HybridPower™ yes
NVIDIA PureVideo® HD
Display Outputs Single Link DVI / VGA
Direct X 10
Form Factor ATX

AMD ATHELON X2 DUEL CORE PROCESSOR

AMD ATHELON X2

Get ready for true multi-tasking with affordable, dual-core PC performance that offers improved digital media and gaming for today’s mainstream notebook PCs. It’s exactly the PC performance you’ve been waiting for.

Notebook PCs powered by the AMD Athlon 64 X2 dual-core processor with everything you want and more — leading technologies, great performance, and a price that makes sense.

AMD64 technology brings your notebook PC to life with dual-core performance, superior graphics, and wireless technologies from AMD’s technology partners. It’s everything you need for an enhanced Windows Vista experience you can take with you anywhere.

Notebook PCs in the Better by Design program offer great business value with enhanced security for mobile workers and proven technologies from industry leaders like NVIDIA, Atheros, Broadcom, QUALCOMM, and others — all optimized to work better together. And that means better value for your IT dollars.

NVIDIA nForce 750a SLI for AMD

NVIDIA NFORCE 750A SLI FOR AMD

CPU AMD
Processor Supported Phenom | Athlon 64 X2 | Athlon 64 FX | Athlon 64
Socket Supported AM2+
PCI Express 2.0 yes
HT Speed HT3
NVIDIA SLI-ready 2-Way
DDR Support DDR2
SLI-Ready Memory yes
SATA/PATA Drive Support 6/2
NVIDIA MediaShield Storage yes
NVIDIA MediaShield RAID 0, 1, 0+1, 5
Audio Specification HDA (Azalia)
USB Ports 12
ESA-Certified yes
Gigabit Ethernet Connections 1
NVIDIA FirstPacket technology yes
PCI Express x16 slots 2
PCI Slots 5
NVIDIA Control Panel yes
Vista Support yes
NVIDIA System Monitor yes
NVIDIA GeForce Boost yes
NVIDIA HybridPower yes
NVIDIA PureVideo HD
Display Outputs Single Link DVI / VGA
Direct X 10
Form Factor ATX

AMD 7750+ ATHELON

AMD

AMD has had a rocky start to its latest architectural update. K10 has had its major downs, suffering the TLB bug in the B1 and B2 stepping cores. When they were first introduced to market, they were the plague CPU; as in, every one avoided them like the plague! - It took many months for AMD to write this problem out, but B3 promised a fix and eventually delivered.

Phenom really didn’t deliver what AMD was hoping, in fact it was clock for clock well behind the 8 ball compared to Intel’s Core 2 Duo. While Phenom wasn’t able to compete on the enthusiast platform, AMD has kept things interesting with its prices, trying to undercut Intel at every chance they can, and quite rightly so, a quad-core Phenom X4 can be had for almost nothing these days.

While it wasn’t the success that AMD really wanted, it wasn’t a monumental failure; Phenom delivers more processing power per core than a similarly clocked K8 processor, which is impressive none the less.

ALL NEW LAPTOP

ALL NEW LAPTOP

If you are in the bazaar for a new laptop, the processor, RAM, and harder drive aren't the alone specs you'll wish to consider. The affectation as well plays an important role. And we're not just talking about size. Resolution as well matters. Why? Because the amount of pixels a awning outputs determines how abundant detail you'll get from that LCD, whether you're alteration photos or arena the latest games. A beyond resolution as well agency that you'll accept added on-screen absolute estate, which is acceptable if you wish to accept two applications accessible ancillary by ancillary or you wish to abbreviate scrolling if Web surfing. You'll as well accept added pixels to plan with if outputting the affectation to an alien monitor.

Bigger isn't consistently better, however. Higher-resolution screens are not alone added expensive, they can accomplish icons and blazon arise too baby on Laptop, which can aftereffect in exceptionable squinting. And back we don't acclaim that users lower the built-in resolution on any laptop, as the consistent angel is about fuzzy, it's analytical that you accomplish the appropriate alarm the aboriginal time. So what resolution is appropriate for your next notebook? Use this as your guide.

7 inches to 10 inches: Mini-Laptop

On mini-Laptop with a 7-inch display, you're bound to 800 x 480 pixels. This resolution makes icons and argument ample and simple to read, but in abounding cases you'll acquisition yourself accomplishing a fair bit of scrolling around. We acclaim spending a bit added for a archetypal with a 9- or 10-inch display, area the candied atom is 1024 x 600 pixels (such as on the new Acer Aspire one and the MSI Wind NB). You'll be able to see added of Web pages and abstracts and won't charge to annal as abundant up or down or from ancillary to side. The HP 2133 Mini-Note goes up to 1280 x 768 pixels, but some may acquisition that too top for such a baby display.

10 to 12.1 inches: Ultra Portable and Thin-and-Light Laptop

These Laptop are advised to go anywhere but action added application and appearance than mini-Laptop. Generally, 10-inch ultra portables are giving way to systems with 11-inch LCDs. Some of the a lot of accepted 11-inch systems cover the ASUS U2E, Lenovo IdeaPad U110, and Sony VAIO TZ series, which appear accepted with 1366 x 768 pixels and no added affectation option. This resolution offers a acceptable antithesis amid awning absolute acreage and the ad measurement of icons and text, but you'll pay a exceptional for the awning size. For continued accretion sessions, 12-inch screens are just added able than 11-inch options.

LAPTOP WORLD

LAPTOP WORLD

The thought behind setting up Laptop World (Bangalore’s first multi brand laptop exclusive outlet) was to provide a common platform for all world class brands to showcase their products and for us to provide unbiased opinons and suggestions of the right brand for the right requirement.

Our focus is not just to sell laptops but to provide mobility solutions with complimentary accessories encompassing productivity and digital lifestyle products. Our endeavour is provide customers best value for money not by deep discounting, but understanding customer’s needs and offering them complimentary products through cross tie ups.

We offer the widest spectrum of payment options – besides the traditional Cash / Cheque / DD / credit card , we offer EMI through finance companies and leading credit card companies.

We are the only IT outlet to accept Sodexho gift vouchers.

COMPUTER WORLD

COMPUTER CARE

A Service Company
We at CompTECH Care service our customers in all the Lee County Area. We take pride in our work and would like the opportunity to show you we care. We service all commercial and residential customers. We service all name brand computers, including Sony, Compaq, HP, and Gateway systems and also non-name brand computers. At CompTECH Care we also service networks of all types, from setting up local area networks within homes to setting up small businesses to global corporations.

We at CompTECH Care also can design and host your websites. We have thousands of templates and ideas for you to chose from. We can customize, modify, or change a site to your liking. Our websites are built using the most updated software to make your website stand out from the rest. Our professional designers can build you an informational or e-commerce website. Let us start building a website for you today.