RAM - What is It & Why You Need Plenty by Steve Perlow
This is the first article in the Understanding Your Computer series from aworldofhelp.com. Our goal is to help people understand how their computer works, not simply tell them what they need to buy or use. When you know how your computer works, buying the right system or upgrade is easy. ... On my machine these programs load when I turn on my computer: AVG Antivirus Scanner Software Digital Camera Software Gmail Notifier AOL Instant Messenger And some server software for testing Then, everything I run after the boot up uses more RAM.

Printers - A Practical Buyers Guide by Iggy Quazi
Buying a printer can be a complicated business, there are more shapes, sizes and types of printers available to the home and small business user than ever before. Printers have also become specialised for their intended purpose. It is no longer a case of "a printer is a printer". ... Dye-Sublimation printers are best for those who want to link up their digital camera to a purpose built printer and print out the finest quality photos at home without fuss. ... Solid ink printers used to be cheaper to purchase than similarly specified colour lasers and fairly economical to run owing to a low...

Steganography in Principle by Emmanuel Sodipo
1.0 Introduction Steganography is one of the oldest arts that people have always wanted to have since they started communicating with each other, but sadly the least researched. Most people study steganography either as academic discipline or out of curiosity and I belong to the latter camp. ... File an Original copy: In some cases the attacker may have a copy of the file with the encoded message and a copy of the original. ... Systems and techniques that can uncover hidden information will be useful in computer forensics and digital traffic analysis.

Tips for Buying a PC by Pawan Bangar
Buying Your PC Buying a PC that’s right for you and your family is not all that simple task. More so if you’re going to buy an unbranded or an assembled one. But branded or not, you have to get you facts right before you shell out your money. First, why do you want to buy a PC? ... Parallel ports take in printer, scanners, etc, There are now USB ports for USB printers, scanners, digital cameras, etc. ... But if the display can’t match all this-the speed at which the things have got processed will take ages to show up on screen.

The Need for Physical and IT Security Convergence by Jeffrey Bennett
Business security professionals make it a point to study their craft and learn ways to counter evolving threat. Business intelligence methods need to continue to keep up with technology to analyze and prevent the internal and external influences that can ruin the enterprise. ... Some reported fraud cases have cost upward of $1 billion (ACFE). ... Current technologies allow the use of tilt/pan/zoom cameras that can record digital data for months. ... The installation of a CCTV device would provide digital feedback of whether or not supplies are being stolen and who is doing the stealing.

Screenshots Vista Windows by Adam Fletcher
Features Additionally, Vista will include many other new features. Aero Vista will include a completely re-designed user interface, code-named Aero. The new interface is intended to be cleaner and more aesthetically pleasing than previous Windows interfaces. ... Native Raw Image support (a format used by most professional digital cameras). ... Capable of drawing ~1.5M triangles / second, one window being ~150 triangles. ... A memory bandwidth of 2 GB / second. ... At least 32 bits per pixel. ... At least 64 MB of graphics memory, 128 MB recommended, or 256 MB for 1600x1200+.