What is a feedback loop used for?
a. To separate the system from its environment
b. To provide information for the management
c. To ensure that the output matches the set standard.
d. To take energies out of the system
c. To ensure that the output matches the set standard.
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What is the purpose of a wireless router?
A) This device is used only in intranets. B) This device is used to interconnect both wireless and wired devices and establish the broadband connection to the Internet. C) This device is used in token-ring networks to manage the passing of the token. D) This device is used to connect only wireless devices to a broadband Internet connection.
Which statement about predefined symbolic constants is false?
a) The predefined symbolic constants and the defined identifier cannot be used in #define or #undef directives. b) __DATE__ is replaced by the date the source file is compiled. c) __LINE__ is used to specify the range of line numbers in the source file. d) The identifiers for each of the predefined symbolic constants begin and end with two underscores.