Which RF transmission method uses an expanded redundant chipping code to transmit each bit?
A. FHSS
B. OFDM
C. CDMA
D. DSSS
Answer: D
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Which of the following statements is false?
a. The principle of least privilege states that code should be granted only the amount of privilege and access that it needs to accomplish its designated task, but no more. b. An example of the principle of least privilege is the scope of a local variable, which should not be visible when it’s not needed. This is why a function’s local variables are placed in stack frames on the function-call stack, so they can be used by that function while it executes and go away when it returns. c. Once a stack frame is popped, the memory that was occupied by it can be re-used for new stack frames. d. Functions can see each other’s local variables by accessing each other’s stack frames.
Answer the following statements true (T) or false (F)
1) Comments cause the computer to print the text after the // on the screen when the program is executed. 2) The escape sequence \n, when output with cout and the stream insertion operator, causes the cursor to position to the beginning of the next line on the screen. 3) All variables must be declared before they’re used. 4) All variables must be given a type when they’re declared. 5) C++ considers the variables number and NuMbEr to be identical.
An RTM version of software is often released so users can help debug it
Indicate whether the statement is true or false
To return the number of cells in a range of cells that are not empty, use the ________ function
Fill in the blank(s) with correct word