 | | A Review Of The Most Current Digital Photography DevicesThis form of photography is mainly utilizes digital technology and the images can easily be transferred to your laptops and can be displayed, stored,and even printed without any kind of involvement of old chemical process. Nowadays the digital camera that are available in the market are very much capable of taking excellent pictures alongside with sound and video recording facilities as well. With an excellent image quality it adds to the advantage of many professional photographers.
Modern day digital photography devices includes many sensors to read specific intensity of light and actively filter them through various color filters to get a complete and excellent quality of image for this reason CMOS sensors are used which are also popularly known as Active pixel sensor. Modern day digital camera comes with an inbuilt flash memory so storing images are not a big factor any more for the photographers.
The quality of digital images highly depends upon the pixel count of the camera apart from this lens quality, resolution, capture medium, capture format, and well processing also plays an important role in getting a excellent quality picture. There are wide ranges of cameras available in the market and the price difference is mainly based upon pixel count, resolution and some other important factors.
There's always been something new in the field of Digital photography and the Canon A720 is one of the latest Digital photography devices available in the market today it features 8.0 mega pixel and 6x zoom and comes with face detection mode and even has increased ISO range which extends to 1600 and also integrated with several important technologies to give you an excellent image quality.
Another latest Digital photography device is Olympus SP-560UZ which features 18x optical zoom along with 8.0 million pixel sensors and allows rapid continuous photo shoot and also houses shadow adjust technology for brighter images.
The Canon Power Shot SX100 is another very stylish 8.0 mega pixel digital camera featuring 10x optical zoom, 2.5" LCD display with 100% coverage and comes with 19 shooting modes.
Sony Alpha DSLR-A700 is one of the most advanced cameras available in the market and is integrated with advanced Dynamic Range optimizer functions and latest software's and sensors to enhance the quality of the image. The camera also features high resolution lens kit with high internal focusing and has a dual storage formula.
Panasonic Lumix DMC-L10 is a compact and a light weighted camera with many excellent features such as larger zoom ring, articulating screen, new smaller, lighter kit lens, latest control interface and many more to enhance the image quality.
The Fuji film Finepix F50fd is 12.0 mega pixel cameras with 2.7-inch TFT screen and 3.0x optical zoom and also feature aperture and shutter priority modes is one the latest innovations in the field of digital photography and digital photographic devices. |
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| Information Security: Principles and Practice (Hardcover)
by Mark Stamp |  | As businesses and consumers become more dependent on complex multinational information systems, the need to understand and devise sound information security systems has never been greater. This title takes a practical approach to information security by focusing on real-world examples. While not sidestepping the theory, the emphasis is on developing the skills and knowledge that security and information technology students and professionals need to face their challenges.
Publisher: Wiley-Interscience (October 28, 2005)
Product Dimensions: 9.3 x 6.3 x 1 inches
Paperback: 416 pages | About the Book:
The book is organized around four major themes:- Cryptography: classic cryptosystems, symmetric key cryptography, public key cryptography, hash functions, random numbers, information hiding, and cryptanalysis
- Access control: authentication and authorization, password-based security, ACLs and capabilities, multilevel and multilateral security, covert channels and inference control, BLP and Biba's models, firewalls, and intrusion detection systems
- Protocols: simple authentication protocols, session keys, perfect forward secrecy, timestamps, SSL, IPSec, Kerberos, and GSM
- Software: flaws and malware, buffer overflows, viruses and worms, software reverse engineering, digital rights management, secure software development, and operating systems security
Additional features include numerous figures and tables to illustrate and clarify complex topics, as well as problems-ranging from basic to challenging-to help readers apply their newly developed skills. A solutions manual and a set of classroom-tested PowerPoint(r) slides will assist instructors in their course development. Students and professors in information technology, computer science, and engineering, and professionals working in the field will find this reference most useful to solve their information security issues.
An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department. | About the Author:
MARK STAMP, PHD, is Professor of Computer Science, San Jose State University, where he teaches undergraduate and graduate-level information security courses. In addition to his experience gained in private industry and academia, Dr. Stamp has seven years' experience working as a cryptanalyst at the U.S. National Security Agency. | Book Reviews:
"Information Security: Principles and Practice presents information security concepts and practices insightfully in an easily comprehensible style. Although primarily intended as a college course resource, this book will appeal also to many security professionals. Highly recommended." (CHOICE, April 2006)
"The book is well suited for beginners, and contains enough introductory material on a variety of topics." (Computing Reviews.com, January 9, 2006) |
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