The ____ option of the uniq command instructs it to generate as output only the lines of the source file that are not duplicated successively.

A. -d
B. -s
C. -o
D. -u


Answer: D

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Photodetectors that have both the transmitter and the receiver units mounted in the same housing depend on a reflector for operation.

Answer the following statement true (T) or false (F)

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A(n) ____ joining process is a dedicated process (designed to do only one type of welding on a specific part) that does not require you to make adjustments during the actual welding cycle.

A. manual B. machine C. semiautomatic D. automatic

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How many hours should you spend studying outside of class for each hour spent in an engineering class? _________________

Fill in the blank(s) with the appropriate word(s).

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______ is the wireless internet connection and network standard using the 2.4 gigahertz UHF and 5 gigahertzSHF ISM radio bands.

A. Personal area network (PAN) B. Local area network (LAN) C. Bluetooth D. Wi-Fi

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