Question 1

A(n) ________ value is a sequence of keyboard characters surrounded by single or double quotes . .

Accepted Answer

string

Question 2

In JavaScript, variables must be declared at the top of the program .

Accepted Answer

A) True 
 B)False  False

Question 3

In JavaScript, all variables must be initialized immediately following their declarations .

Accepted Answer

A) True 
 B)False  False

Question 4

What is the value of the variable result after the following statements execute?
FirstName = "Martha";
LastName = "Jones";
Result = firstName + lastName;

Accepted Answer

A)  Martha Jones 
B)  MarthaJones 
C)  Martha + Jones 
D)  None of these; you cannot add two strings . 
A)  Martha Jones 
B)  MarthaJones 
C)  Martha + Jones 
D)  None of these; you cannot add two strings .

Question 5

What is the value of the variable result after the following statements execute?
Age = 23;
Name = "Howard";
If (age >= 23 && name == "Johnny")
Result = "At last! I found you, "+ name;
Else
Result = "Sorry, "+name+" . You're not my long lost cousin . ";

Accepted Answer

A)  At last! I found you, Howard 
B)  Sorry, Howard . You're not my long lost cousin . 
C)  At last! I found you, Johnny 
D)  Sorry, Johnny . You're not my long lost cousin . 
A)  At last! I found you, Howard 
B)  Sorry, Howard . You're not my long lost cousin . 
C)  At last! I found you, Johnny 
D)  Sorry, Johnny . You're not my long lost cousin .

Question 6

The JavaScript declaration command used to create a variable is the keyword ________ .

Accepted Answer

The answer of The JavaScript declaration command used to create...

Question 7

Which of the following is NOT a valid assignment statement, assuming length, width, and area are valid variables?

Accepted Answer

A)  area = length * width; 
B)  area = 12345; 
C)  length * width = area; 
D)  area = "The area is 12,345 square feet . "; 
A)  area = length * width; 
B)  area = 12345; 
C)  length * width = area; 
D)  area = "The area is 12,345 square feet . ";

Question 8

If the JavaScript variable myAge has the value 5, what will be the result of the following statement?
MyAge == 23;

Accepted Answer

A)  an error will occur since this statement is not true 
B)  true 
C)  false 
D)  myAge will be updated to have the value 23 
A)  an error will occur since this statement is not true 
B)  true 
C)  false 
D)  myAge will be updated to have the value 23

Question 9

Relational operators cannot be used on strings .

Accepted Answer

A) True 
 B)False

Question 10

In JavaScript strings must be enclosed in either single quotes (' . . . ') or double quotes (" . . . ") .

Accepted Answer

A) True 
 B)False

Question 11

The angle brackets (< >) used to describe the syntax of a programming command are called ________ .

Accepted Answer

The answer of The angle brackets (< >) used to...

Question 12

In JavaScript, the statement 17 % 5 results in

Accepted Answer

A)  3 
B)  0 . 175 
C)  3 . 4 
D)  2 
A)  3 
B)  0 . 175 
C)  3 . 4 
D)  2

Question 13

A correct solution to a programming problem is always an elegant solution .

Accepted Answer

A) True 
 B)False

Question 14

In JavaScript a string constant or string literal

Accepted Answer

A)  cannot be a number 
B)  is surrounded by quotes in the code 
C)  cannot include a tab character 
D)  is stored in memory with the surrounding quotes included 
A)  cannot be a number 
B)  is surrounded by quotes in the code 
C)  cannot include a tab character 
D)  is stored in memory with the surrounding quotes included

Question 15

The flow of an assignment statement is always right to left .

Accepted Answer

A) True 
 B)False

Question 16

Programming languages

Accepted Answer

A)  automate the process of writing a program 
B)  allow for only one possible solution to a problem 
C)  are written in English sentences 
D)  are precise 
A)  automate the process of writing a program 
B)  allow for only one possible solution to a problem 
C)  are written in English sentences 
D)  are precise

Question 17

A JavaScript variable cannot be initialized in the same statement in which it is declared .

Accepted Answer

A) True 
 B)False

Question 18

The statement terminator in JavaScript is a colon (:) .

Accepted Answer

A) True 
 B)False

Question 19

The outcome of a relational expression is always either true or false .

Accepted Answer

A) True 
 B)False

Question 20

The logical AND operator is denoted by ________ .

Accepted Answer

The logical AND operator is denoted by `

Exam 17: Fundamental Concepts Expressed in Javascript

A(n) ________ value is a sequence of keyboard characters surrounded by single or double quotes . .

In JavaScript, variables must be declared at the top of the program .

In JavaScript, all variables must be initialized immediately following their declarations .

What is the value of the variable result after the following statements execute? FirstName = "Martha"; LastName = "Jones"; Result = firstName + lastName;

What is the value of the variable result after the following statements execute? Age = 23; Name = "Howard"; If (age >= 23 && name == "Johnny") Result = "At last! I found you, "+ name; Else Result = "Sorry, "+name+" . You're not my long lost cousin . ";

The JavaScript declaration command used to create a variable is the keyword ________ .

Which of the following is NOT a valid assignment statement, assuming length, width, and area are valid variables?

If the JavaScript variable myAge has the value 5, what will be the result of the following statement? MyAge == 23;

Relational operators cannot be used on strings .

In JavaScript strings must be enclosed in either single quotes (' . . . ') or double quotes (" . . . ") .

The angle brackets (< >) used to describe the syntax of a programming command are called ________ .

In JavaScript, the statement 17 % 5 results in

A correct solution to a programming problem is always an elegant solution .

In JavaScript a string constant or string literal

The flow of an assignment statement is always right to left .

Programming languages

A JavaScript variable cannot be initialized in the same statement in which it is declared .

The statement terminator in JavaScript is a colon (:) .

The outcome of a relational expression is always either true or false .

The logical AND operator is denoted by ________ .

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

A Javascript Program

Programming Functions

Iteration Principles

A Case Study in Algorithmic Problem Solving

Limits to Computation

A Fluency Summary

Filters