Use the Internet to research the cost of a typical digital camera memory card, as well as the space, in megabytes, that a print quality photograph will consume on the card. Using this information and the price of a roll of fi lm, determine the cost savings of digital media.
What will be an ideal response?
A search for SD cards at www.bestbuy.com gives the following results:
Conservatively, a high-quality digital photo will require 4 to 6 megabytes of space, which means a 2-gigabyte memory card will hold more than 300 images. A typical four-pack of 24-exposure roll film costs the same as our 2-GB card but only provides for 96 pictures. So, we require at least two additional four packs or three times the cost. We have factored in the processing cost and that we can reuse our SD card.
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Answer the following statement(s) true (T) or false (F)
1. Solid-state devices, such as diodes and transistors, are often referred to as semiconductors. 2. Conductors are generally made from materials that have small, light atoms. 3. Insulators are generally made from heavy-weight materials that have large atoms. 4. Semiconductors are materials that are neither good conductors nor good insulators. 5. If a semiconductor material is to become useful for the production of solid-state components, it must be mixed with an impurity.
The display of a DVOM is indicating 236 mV. Which of the following is the same as this value?
A. 0.236 millivolts B. 0.236 volts C. 23.6 volts D. 0.000236 volts
This quantity is usually measured using a spring-supported seismic mass
A) velocity B) volume C) weight D) acceleration
A saturated mixture with a quality of 0.10 of R-134a is to expand in an insulated flexible container from a pressure of 1.00 MPa and a volume of 0.02 m3 until the pressure is 500 kPa and the quality if 0.5. Determine the final temperature and volume of the R-134a, and the work done in the process.
Given: R-134a; P1 = 1.0 MPa; x1 = 0.10; V1 = 0.02 m3; P2 = 500 kPa; x2 = 0.5. Assume: Q = 0 (insulated); ?KE = ?PE = 0 What will be an ideal response?