1. true
   false
2. Every TV ever made has been flat-screen.

Any kind of TV can have a flat-screen, including bulky cathode-ray models. For a thin, lightweight unit you can hang on the wall, invest in a flat-panel television. However, people are now referring to "flat-panel" technology as "flat-screen," so you might as well get used to the term, even if it is technically incorrect.

1. knob and tube
   plasma
2. cathode-ray

Classic cathode-ray technology takes up a lot of space. New TVs rely on LCD or plasma technology, which fits into a much smaller unit.

1. true
   false
2. It depends on the brand of television.

Use a gentle touch when cleaning your flat-screen TV. Scrubbing too hard can cause severe damage to the screen.

1. LCD
   LED
2. plasma

In general, plasma TVs offer the blackest black and provide the highest level of contrast.

1. plasma
   LED
2. LCD

In general, LCD televisions offer the highest level of energy efficiency of all the major TV technologies.

1. true
   false
2. It depends when the glass cleaner was bottled.

Break out the Windex. It's fine to clean older cathode-ray sets using regular household glass cleaner, but keep these products away from newer LCD and plasma models.

1. ammonia
   isopropyl alcohol
2. laundry detergent

Mix a solution containing up to 50 percent isopropyl alcohol with water to safely clean your flat-panel display.

1. true
   false
2. Yes, but you don't want them on there anyway.

Keep ammonia and solvents far away from your flat-screen to prevent permanent damage.

1. true
   false
2. They actually should be a little bit dirty.

Clean or dirty, paper towels can scratch the screen of your flat-panel TV. Stick to microfiber and other soft cloth materials.

1. LCD
   plasma
2. cathode-ray

LCD TV's are generally thinner and weigh less than plasma and cathode-ray models.