Question 1

When calling a function, it does not matter which order you list the arguments .

Accepted Answer

A) True 
 B)False  False

Question 2

Given the following JavaScript function, which of the following is NOT a possible result?
Function tossIt() {
Return Math . random();
}

Accepted Answer

A)  0 . 5 
B)  0 . 8923871 
C)  0 
D)  1 
A)  0 . 5 
B)  0 . 8923871 
C)  0 
D)  1 D

Question 3

When you write code to ask the computer to run or execute the statements in a function, this is referred to as ________ the function .

Accepted Answer

calling

Question 4

If a function definition contains two parameters, two arguments must be included in the function call .

Accepted Answer

A) True 
 B)False

Question 5

The HTML ________ tag provides an area where JavaScript can draw lines and figures .

Accepted Answer

<canvas

Question 6

When two variables have the same name, but one is global and one is local, the JavaScript program will not run .

Accepted Answer

A) True 
 B)False

Question 7

A variable cannot be used as part of a calculation to assign a value to itself . For example, this JavaScript statement would cause an error, assuming myNum is a numeric variable that has been previously declared and initialized:myNum = myNum*3 + 75/myNum;

Accepted Answer

A) True 
 B)False

Question 8

If you wanted the following function to return only the two values of 0 and 1, how would you re-write line 2?
1 ) function tossIt() {
2 ) return Math . random();
3 ) }

Accepted Answer

A)  return Math . round(); 
B)  return Math . round(Math . random()); 
C)  return Math . round(random()); 
D)  This cannot be done . 
A)  return Math . round(); 
B)  return Math . round(Math . random()); 
C)  return Math . round(random()); 
D)  This cannot be done .

Question 9

A(n) ________ is a programming structure with a name, an optional parameter list, and a definition that encapsulates an algorithm .

Accepted Answer

The answer of A(n) ________ is a programming structure with...

Question 10

Output directly onto a web page from JavaScript is done using the ________ built-in function .

Accepted Answer

A)  document . display() 
B)  print() 
C)  writeln() 
D)  document . write() 
A)  document . display() 
B)  print() 
C)  writeln() 
D)  document . write()

Question 11

What, if anything, is wrong with the following JavaScript code?

Accepted Answer

A)  You cannot use document . write() to display an image; it can only display text . 
B)  The outer double quotes are not needed with the document . write() function . 
C)  You cannot use the document . write() function with JavaScript; it must be used with a form . 
D)  Nothing is wrong with this code . 
A)  You cannot use document . write() to display an image; it can only display text . 
B)  The outer double quotes are not needed with the document . write() function . 
C)  You cannot use the document . write() function with JavaScript; it must be used with a form . 
D)  Nothing is wrong with this code .

Question 12

When a function is called, you write the function's name and include any necessary arguments (that is, input values) inside ________ .

Accepted Answer

The answer of When a function is called, you write...

Question 13

Functions that are written so they can be reused in other programs are considered ________ .

Accepted Answer

The answer of Functions that are written so they can...

Question 14

Variables in the parameter list of a JavaScript function are declared automatically .

Accepted Answer

A) True 
 B)False

Question 15

The numbers generated by the Math . random()function

Accepted Answer

A)  will never be repeated 
B)  are random because a computer is deterministic 
C)  must be multiplied by -1 to change them to positive 
D)  are pseudo-random 
A)  will never be repeated 
B)  are random because a computer is deterministic 
C)  must be multiplied by -1 to change them to positive 
D)  are pseudo-random

Question 16

Select all that apply . Which of the following are required parts of a function?

Accepted Answer

A)  the local variables 
B)  the definition 
C)  the name 
D)  the parameters 
A)  the local variables 
B)  the definition 
C)  the name 
D)  the parameters

Question 17

Select all that apply . What does the following command do?
Ctx . quadraticCurveTo(20,20,20,50);

Accepted Answer

A)  The curve will end at the point where x = 20 and y = 50 
B)  The curve will start at the point where x = 20 and y = 20 
C)  It specifies a curved line . 
D)  The curve will start at the point where x = 20 and y = 50 
A)  The curve will end at the point where x = 20 and y = 50 
B)  The curve will start at the point where x = 20 and y = 20 
C)  It specifies a curved line . 
D)  The curve will start at the point where x = 20 and y = 50

Question 18

Programmers rarely use code written by others .

Accepted Answer

A) True 
 B)False

Question 19

The arguments in a function call pass values to the parameters, matched in order from left to right .

Accepted Answer

A) True 
 B)False

Question 20

The inputs to a function are called

Accepted Answer

A)  parameters 
B)  arguments 
C)  identifiers 
D)  values 
A)  parameters 
B)  arguments 
C)  identifiers 
D)  values

Exam 19: Programming Functions

When calling a function, it does not matter which order you list the arguments .

Given the following JavaScript function, which of the following is NOT a possible result? Function tossIt() { Return Math . random(); }

When you write code to ask the computer to run or execute the statements in a function, this is referred to as ________ the function .

If a function definition contains two parameters, two arguments must be included in the function call .

The HTML ________ tag provides an area where JavaScript can draw lines and figures .

When two variables have the same name, but one is global and one is local, the JavaScript program will not run .

A variable cannot be used as part of a calculation to assign a value to itself . For example, this JavaScript statement would cause an error, assuming myNum is a numeric variable that has been previously declared and initialized:myNum = myNum*3 + 75/myNum;

If you wanted the following function to return only the two values of 0 and 1, how would you re-write line 2? 1 ) function tossIt() { 2 ) return Math . random(); 3 ) }

A(n) ________ is a programming structure with a name, an optional parameter list, and a definition that encapsulates an algorithm .

Output directly onto a web page from JavaScript is done using the ________ built-in function .

What, if anything, is wrong with the following JavaScript code? <script>document . write("<img src = 'puppy . JPG'/>");</script>

When a function is called, you write the function's name and include any necessary arguments (that is, input values) inside ________ .

Functions that are written so they can be reused in other programs are considered ________ .

Variables in the parameter list of a JavaScript function are declared automatically .

The numbers generated by the Math . random()function

Select all that apply . Which of the following are required parts of a function?

Select all that apply . What does the following command do? Ctx . quadraticCurveTo(20,20,20,50);

Programmers rarely use code written by others .

The arguments in a function call pass values to the parameters, matched in order from left to right .

The inputs to a function are called

Defining Information Technology

Exploring the Human-Computer Interface

The Basics of Networking

A Hypertext Markup Language Primer

Locating Information on the World Wide Web

An Introduction to Debugging

Representing Information Digitally

Representing Multimedia Digitally

Principles of Computer Operations

Algorithmic Thinking

Social Implications of IT

Privacy and Digital Security

The Basics of Spreadsheets

Advanced Spreadsheets for Planning

Introduction to Database Concepts

A Case Study in Database Organization

Fundamental Concepts Expressed in Javascript

A Javascript Program

Iteration Principles

A Case Study in Algorithmic Problem Solving

Limits to Computation

A Fluency Summary

Filters