________ networks use radio signals that travel through the air to transmit data.
A. Ring
B. Wireless
C. Mesh
D. Star
Answer: B
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Try using cpio and tar to transfer some files to and from whatever removable media are available on your system (or to a file in /tmp if no removable media are available). Which of these utilities do you prefer? Why?
What will be an ideal response?
What was significant about the introduction of the microprocessor in the 1970s?
a) It had more capacity than other forms of memory b) It could store data separate from the computer c) It allowed computers to communicate directly with each other d) It was faster, smaller, and less expensive than integrated circuits
Thenormalize-space()function can also be used to remove extraneous white space characters from the beginning or end of any text string.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. When an operator has two operands of different data types, C++ always converts them both to double before performing the operation. 2. The following pair of C++ statements will cause 3.5 to be output. double number = 7 / 2; cout << number; 3. The following statement sets sum1, sum2, and sum3 all to zero. sum1 = sum2 = sum3 = 0; 4. If the value of dollars is 5.0, the following statement will output 5.00 to the monitor: cout << fixed << showpoint << setprecision(4) << dollars << endl; 5. The following statement sets the value of total to -3. total -= 3;