Final Exam Chapter 3 and 4

Question 1

What is code bloat

Answer 1

have more code in your program than you actually need

Question 2

What i the difference between copy code and reuse code

Answer 2

Copy code is duplicated code, reuse code is a single code that you can call on

Question 3

What is a function

Answer 3

A function is a chunk of code that you separate out from the rest of your program,

Question 4

When you use the the return( ) command it does what?

Answer 4

It send a data value back to the calling code.

Question 5

What happens if the function omits the return( ) command?

Answer 5

it gives you something because it prints the current price on screen

Question 6

Parameters are variables that

Answer 6

you can pass to functions.

Question 7

Computers use stack frames to

Answer 7

Record and track variables.

Question 8

When you call a function

Answer 8

a new stack frame is created for the function to use.

Question 9

Stack frames (and local variables) are

Answer 9

thrown away when you exit a function.

Question 10

A variable is said to be “in scope”

Answer 10

whenever its value can be seen by some code.

Question 11

The call to open( ) creates a

Answer 11

file handle that creates and adds texted to a file

Question 12

What is a file?

Answer 12

reading data stored on disk

Question 13

What is an array?

Answer 13

a collection variable that holds multiple data items that can be accessed by index

Question 14

What is sorting?

Answer 14

arranging a collection in a specific order

Question 15

What is open ( )

Answer 15

open a file for processing

Question 16

What is close ( )

Answer 16

close a file

Question 17

What is “for”

Answer 17

iterate over something

Question 18

Parameters are variables that you can

Answer 18

pass to functions.

Question 19

Each line in the for loop represents a

Answer 19

single string containing two pieces of information:

Question 20

What is string.split( )

Answer 20

cut a string into multiple parts

Question 21

What is [ ]

Answer 21

the array index operator

Question 22

What is array.append( )

Answer 22

add an item to the end of an array

Question 23

What is array.sort( )

Answer 23

sort an array, lowest-tohighest

Question 24

What is array.reverse()

Answer 24

change the order of an array by reversing it