Explain the similarities and differences between (binary) operators such as +, *, -, / and a function.
What will be an ideal response?
The differences amount to syntax used in invoking them. In a function call, the
function name is followed by parentheses enclosing an argument list. The parentheses are technically the “function call operator”. The operators are invoked “infix” meaning the first operand precedes the operator, and the second operand follows.
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The greater the number of rounds, the __________ it is to perform cryptanalysis. ?
A) ?easier ? B) ?less difficult C) ?equally difficult D) ?harder
Answer the following statements true (T) or false (F)
1. In C++ Boolean value are represented only with the int values 0 for false and 1 for true. 2. Extensive use of global variables is a satisfactory replacement for the difficulties of parameter passing with functions. 3. A variable declared outside any function is said to be a local variable. 4. A variable declared within a function block is said to be local to the function.
Create a GUI for a matching game. Initially, buttons should cover pairs of images. When the user clicks a button, the image displays. If the user finds a matching pair, disable the buttons and dis- play their images. If the user’s choices do not match, hide the images.
What will be an ideal response?
All images are protected by copyright law.
Answer the following statement true (T) or false (F)