Which of the following is NOT a typical component of an RFID system?

A. tags
B. APs
C. antennas
D. readers


Answer: B

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The 1662 slave codes in Virginia are significant because they

A. restricted the number of slaves that could be imported into the colony. B. established a legal difference between servants and slaves based on race. C. established curfews and prohibited slaves from moving freely about the colony. D. outlined the conditions under which slaves could obtain their freedom. E. made slaves and indentured servants of equal status under the law.

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Water-cooled condensers using sea water are usually piped to permit periodic cleaning by ____.

A. brushing the tubes B. acid treatment C. back finishing D. all of the above

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The main religion of the Persian Empire at the time of its invasion of Greece was

a. quite similar to that of the Greeks, with a pantheon of gods and goddesses. b. a religion derived from Egypt and centered on the goddess Isis. c. a monotheistic religion that later became the foundation of Islam. d. a dualistic religion eventually systematized by the prophet Zoroaster.

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Which type of robotic system is currently the most popular with industry?

A. Cartesian B. Articulated C. Delta D. Spherical

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