When you assign a default value to a parameter, it then becomes a(n) ____.
A. named parameter
B. static parameter
C. method parameter
D. optional parameter
Answer: D
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The effect of the following program segment can best be described as __________.
``` if (x > y) z = x; if (x == y) z = 0; if (x < y) z = y; ``` a. The smaller of x and y is stored in z. b. The larger of x and y is stored in z. c. The larger of x and y is stored in z unless x and y are equal, in which case z is assigned zero. d. The larger of x and y is stored in z unless x and y are not equal, in which case z is assigned zero. e. none of the above
When a file is returned to you with comments, the comment icons will appear on the slides
Indicate whether the statement is true or false
Without a specialized instruction, in order to swap the contents of two variables a third variable is needed.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. A set of I/O modules is a key element of a computer system. 2. An I/O module must recognize one unique address for each peripheral it controls. 3. I/O channels are commonly seen on microcomputers, whereas I/O controllers are used on mainframes. 4. It is the responsibility of the processor to periodically check the status of the I/O module until it finds that the operation is complete. 5. With isolated I/O there is a single address space for memory locations and I/O devices.