Which of the following display types are most likely to have "burn-in" due to uneven phosphor wear?
a. Plasma
b. LCD-CCFL
c. LCD-LED
d. DLP
A Plasma displays use phosphors which can wear unevenly over time. To avoid either temporary or permanent image persistence try these tips. For customers who watch mainly 4:3 ratio TV or movie content, advise periodically switching to full-screen (zoomed) mode to avoid black bar persistence on the sides of the image. Use the screen clean (screen washing) option available on some plasma HDTVs. This puts a constantly-changing display across the entire screen.
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In function apart defined below, how many of the parameters are considered input parameters?
``` void apart(double x, int *wholep, double *fracp) { *wholep = (int)x; *fracp = x - *wholep; } ``` a. 0 b. 1 c. 2 d. 3 e. all
Which of the following can be used to protect a video conference?
A. H.323 standard B. H.235 extensions C. WEP D. PGP
Which of the following works closely with users to analyze their requirements, designs and develops new information systems, and incorporates new technologies?
A. systems programmer B. database designer C. systems analyst D. web developer
There are three set operations: union, intersection, difference. Define each of these operations. Which one(s) does MySQL support?
What will be an ideal response?