When the + operator is used with strings, it is known as the
a. assignment operator
b. string concatenation operator
c. addition operator
d. combines assignment operator
b. string concatenation operator
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The information in the ____ routes a message to its recipients and identifies the subject of the message.
A. message header B. profile C. message area D. domain
Assume that a device can execute 3 million instructions for the same amount of energy (3J) used to transmit or receive 1 Kbit of data 100m by radio. The device has the option of sending a 100KByte binary program to a compute server 100m away, which when run will execute 60 billion instructions and exchange 10000 1Kbit messages with the device. If energy is the only consideration, should the device offload the computation or execute it itself? Assume computation on the device is negligible in the offloaded case.
What will be an ideal response?
CSS length units must always be specified as absolute values.
Answer the following statement true (T) or false (F)
______ are people who create, use, and disseminate knowledge and are usually professionals in science, engineering, business, and other areas.
a. Systems analysts Incorrect Incorrect b. Knowledge workers c. Knowledge database administrators d. End users