Gaddis Python 2e Chapter 03

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Chapter Three

MULTIPLE CHOICE

1. What is a group of statements that exists within a program for the purpose of performing a specific task?
a. function
b. subtask
c. procedure
d. subprogram

2. The first line in the function definition is known as the function _____.
a. header
b. block
c. return
d. parameter

3. The _____ design technique can be used to break down an algorithm into functions.
a. subtask
b. block
c. top-down
d. simplification

4. A set of statements that belong together as a group and contribute to the function definition is known as a(n) _____.
a. header
b. block
c. return
d. parameter

5. A(n) _____ chart is also known as a structured chart.
a. flow
b. data
c. hierarchy
d. organizational

6. A(n) _____ variable is created inside a function.
a. global
b. constant
c. defined
d. local

7. The _____ of a local variable is the function in which the variable is created.
a. global
b. defined
c. local
d. scope

8. A(n) _____ is any piece of data that is passed into a function when the function is called.
a. global
b. argument
c. scope
d. parameter

9. A(n) _____ is a variable that receives an argument that is passed into a function.
a. global
b. argument
c. scope
d. parameter

10. The _____ argument specifies which parameter the argument should be passed into.
a. keyword
b. local
c. global
d. string

11. A(n) _____ variable is accessible to all the functions in a program file.
a. keyword
b. local
c. global
d. string

12. A(n) _____ constant is a global name that references a value that cannot be changed.
a. keyword
b. local
c. global
d. string

13. When a function is called by its name, then it is _____.
a. executed
b. located
c. defined
d. exported

14. It is recommended that programmers should avoid using _____ variables in a program when possible.
a. local
b. global
c. string global
d. keyword

15. A variable’s _____ is the part of a program in which the variable may be accessed.
a. global
b. argument
c. scope
d. local

TRUE/FALSE

1. True/False: Python function names follow the same rules for naming variables.

ANS: T

2. True/False: The function header marks the beginning of the function definition.

ANS: T

3. True/False: A function definition specifies what a function does and causes the function to execute.
ANS: F

4. True/False: The hierarchy chart shows all the steps that are taken inside a function.

ANS: F

5. True/False: A local variable can be accessed from anywhere in the program.

ANS: F

6. True/False: Different functions can have local variables with the same names.

ANS: T

7. True/False: Python allows for passing multiple arguments to a function.

ANS: T

8. True/False: To assign a value to a global variable in a function, the global variable must first be declared in the function.

ANS: T

9. True/False: The value assigned to a global constant can be changed in the mainline logic.

ANS: F

10. True/False: One of the reasons not to use global variables is that it makes a program hard to debug.

ANS: T

FILL IN THE BLANK

1. The approach called _______________ is taking a large task and dividing it into several smaller tasks that are easily performed.

ANS: divide and conquer

2. The code for a function is known as a function _______________.

ANS: definition

3. The function header begins with the keyword _______________ followed by the name of the function.

ANS: def

4. The main function contains a program’s _______________ logic, which is the overall logic of the program.

ANS: mainline

6. In a flowchart, a function call is depicted by a(n) _______________ that has vertical bars.

ANS: rectangle

7. The top-down design breaks down the overall task of the program into a series of _______________.

ANS: subtasks

8. A(n) _______________ chart is a visual representation of the relationships between functions.

ANS: hierarchy

9. Arguments are passed by _______________ to the corresponding parameter variables in the function.

ANS: position

10. A variable is visible only to statements in the variable’s _______________.

ANS: scope