Discuss the life span of an optical disc, including the tips for proper care of optical discs.
What will be an ideal response?
Student responses will vary, but should be drawn from the following information from the text.
Manufacturers claim that a properly cared for high-quality optical disc will last 5 years but could last up to 100 years.
Tips for proper care of optical discs include the following:
• Never bend a disc; it may break.
• Do not expose discs to extreme temperatures or humidity. The ideal temperature range for disc storage is 50 to 70 degrees Fahrenheit.
• Stacking discs, touching the underside of discs, or exposing them to any type of contaminant may scratch a disc.
• Place an optical disc in its protective case, called a jewel case, when you are finished using it, and store it in an upright (vertical) position.
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Write a program in a class FlowerCounter that computes the cost of flowers sold at a flower stand. Five kinds of flowers—petunia, pansy, rose, violet, and carnation— are stocked and cost, respectively, 50¢, 75¢, $1.50, 50¢, and 80¢ per flower. Create an array of strings that holds the names of these flowers. Create another array that holds the cost of each corresponding flower. Your program should read the name of a flower and the quantity desired by a customer. Locate the flower in the name array and use that index to find the cost per stem in the cost array. Compute and print the total cost of the sale.
What will be an ideal response?
Businesses do not currently use a Chat or IM feature for customer support
Indicate whether the statement is true or false
COGNITIVE ASSESSMENT Which of the following gestures would you use if you want to display a bar that contains commands on an edge of the screen of your new tablet?
A. swipe B. stretch C. pinch D. press and hold
COGNITIVE ASSESSMENT What is the difference between sleep and hibernate mode?
A. No difference -- they are the same. B. Hibernate mode is used with Apple computers and sleep for Windows. C. With sleep mode the computer is placed in a low-power state. D. Sleep mode is activated by pushing the power button.