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CMSC 330 QUIZ 4

CMSC 330 QUIZ 4

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Question 1 (5 points)
 
Which of the following parameter passing techniques involves copying the argument to the corresponding parameter?
Question 1 options:
 
Call by result

 
Call by reference

 
Call by name

 
Call by value

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Question 2 (5 points)
 
In languages that distinguish between procedures and functions how do procedure calls compare to function calls?
Question 2 options:
 
Both function and procedure calls are expressions

 
Both function and procedure calls are statements

 
A function call is an expression whereas a procedure call is a statement

 
A function call is a statement whereas a procedure call is an expression

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Question 3 (5 points)
 
What is the scope of a local variable?
Question 3 options:
 
The package

 
The class

 
The subprogram

 
The program

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Question 4 (5 points)
 
When the static modifier is placed on a C++ local variable, what does it change?
Question 4 options:
 
The lifetime of the variable

 
The scope of the variable

 
Both the scope and lifetime of the variable

 
The initial value of the variable

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Question 5 (5 points)
 
Which is the following is not contained in an activation record?
Question 5 options:
 
Local variables

 
Global variables

 
Parameters

 
Temporary variables

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Question 6 (5 points)
 
For which of the following parameter passing techniques can the argument be a constant or an expression?
Question 6 options:
 
Call by value

 
Call by result

 
Call by reference

 
Call by value-result

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