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Today?s Most Common Cell Phone Types
Many of today's cell phones and other portable communications devices offer fairly similar capabilities and performance.
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Types of Digital Cameras
Today's digital cameras generally fall into two broad categories: compact digital cameras and digital single-lens reflex (DSLR) cameras.
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What is ENERGY STAR?
ENERGY STAR(R) is a joint program of the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE). Its purpose is to provide product ratings, and other information, to encourage consumers to purchase energy-efficient products and services.
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2012 Digital SLR Camera Online Buyer Report Results
Consumers continue to grow more trusting of the Internet to handle their big-ticket purchases, according to the J.D. Power and Associates 2012 Digital Single-Lens Reflex Camera (DSLR) Online Buyer ReportSM. The report reveals high levels of purchase satisfaction among online buyers of DSLR cameras, and--perhaps more significantly--a sharp increase in average expenditure.
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2012 Digital Single-Lens Reflex Camera Online Buyer Report
Online buyers of DSLR cameras make an average online expenditure of $1,291--a 10 percent increase and up from $1,175 in 2011, according to the J.D. Power and Associates 2012 Digital Single-Lens Reflex Camera Online Buyer ReportSM released today.
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Photo Printer Shopping Tips
1. Find a photo printer that fits your budget
Identify how much you are willing to spend on a photo printer, then prioritize the features that you want in your printer.
2. Assure compatibility with your camera/memory card
Some printers can directly connect to certain digital cameras or print directly from a memory card, eliminating the need to hook them up to a computer. -
Rechargeable Batteries -
The recent proliferation of portable electronic devices has created a demand for more powerful, more reliable, and less expensive battery power. Traditional one-time-use carbon-zinc "heavy-duty" batteries were far too weak to operate many modern electronics, so manufacturers recommended alkaline batteries in their place. "Alkalines" offered much greater energy storage, but they were an expensive one-time-use disposable alternative that was not suited to the increased power requirements of most portable electronics.
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The Science inside a Laser Printer
Many businesses and consumers choose laser printers for their printing needs. Though more expensive than common inkjet and dot matrix printers, the print quality from a laser printer is excellent. Laser printing is high contrast, easy to read, and permanent on most paper.
Laser printers do not use a laser to burn text and images onto the paper. Instead, they use an innovative application of static electricity to render the image and bond it. -
The Science inside a Photocopier
A photocopier is an electronic machine designed to make reproductions of documents. The first photocopiers used an early process of making copies called xerography. This process, utilizing a dry powdered chemical called "toner," was introduced by Xerox in the 1960s. Xerography is still used in many modern copiers. In fact, the basic technology has changed very little in nearly 50 years.
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The Science inside an Inkjet Printer
There are many different types of printers on the market today. One of the most popular and widespread technologies is the inkjet printer. This type of printer utilizes very small droplets of ink to create high-quality text, images, or photos on a piece of paper. To its advantage, an inkjet printer is low-cost and very low maintenance-making it the optimal printer for many homes and small businesses.
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An Introduction to Home Theater
Gone are the days when the family gathered around a 19-inch television to watch a small grainy picture accompanied by sound coming from a single metallic speaker. Today, many homes have advanced television, stereo, and speaker combinations sophisticated enough to be commonly referred to as "home theater systems." A home theater system recreates the cinema experience in the comfort of your home.
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Buying a Smartphone
This year's smartphones are more versatile than ever. They are faster, have more functions, and feature higher screen resolution.
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Digital Camera Guide
For the non-professional photographer, digital cameras have essentially replaced film cameras on today's market. Digital cameras are generally more practical and versatile, and cheaper in the long run.
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HDTV Buying Tips
High-definition television (HDTV) has replaced "standard-definition" TV in many homes today. However, the pace of progress continues, and technologies keep improving.
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LCD, LED, or Plasma TVs: The Differences
Generally speaking, there is a choice of two TV technologies: liquid crystal display (LCD) and plasma.