Which of the following best defines lossless compression?
A. The degradation of image quality during compression.
B. All image data is retained during compression.
C. When a file size cannot be further reduced.
D. Removing one color to create a transparency.
Answer: B
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The earliest geological period in the Phanerozoic eon was the
A) Cambrian B) Triassic C) Tertiary D) Permian
A 50-W light bulb is in a socket supplied with 140 V. What is the current in the bulb?
a. 0.36 A b. 2.8 A c. 90 A d. 7 000 A e. 3.8 A
It is generally believed that there are 7 days in a week because
a. there are 7 stars in the Big Dipper. b. it is necessary to have 52 weeks in a year. c. there are 7 visible bodies in the sky that move against the background of the fixed stars. d. it is easy to multiply by 7.
A quantity that is measured in ohms is
a. voltage b. current c. resistance d. electric field e. critical temperature