Question 1

Which of the following is a valid HTML tag?

Accepted Answer

<h1>

Answer

>h1<

Answer

<>

Answer

h1

Question 2

Which of the following is an example of metadata about a webpage?

Accepted Answer

The title of the webpage

Answer

An <h1> tag on the webpage

Answer

All of the above

Answer

The body of the webpage

Question 3

What is the function of the
tag?

Accepted Answer

Create a line break on the resulting webpage

Answer

Italicize text

Answer

Bold text

Answer

Create a horizontal line on the resulting webpage

Question 4

Which of the following is the correct HTML code to create a hyperlink that (the image) displays  and links to google.com?

Accepted Answer

<a href="https://google.com">
    Click Me
</a>

Answer

<a>
    Click Me
</a href="https://google.com">

Answer

Click Me https://google.com

Answer

https://google.com

Question 5

Which of the following lines of HTML code will insert an image into a webpage?

Accepted Answer

Answer

https://codehs.com/static/img/logo.png

Answer

Answer

src="https://codehs.com/static/img/logo.png"

Question 6

Which of the following HTML code snippets would produce the following web page:

Apples
Bananas
Oranges

Accepted Answer

Apples
Bananas
Oranges

Answer

Apples Bananas Oranges

Answer

Apples
Bananas
Oranges

Answer

Apples Bananas Oranges

Question 7

Which of the following tags defines a table row?

Accepted Answer

<tr>

Answer

<th>

Answer

<table>

Answer

<td>

Question 8

Which of the following tags defines a table header?

Accepted Answer

<th>

Answer

<td>

Answer

<tr>

Answer

<table>

Question 9

Which of the following HTML code snippets will generate the following table?

Accepted Answer

Name	Score
Karel	32

Answer

Name	Score
Karel	32

Answer

Name Score Karel 32

Name	Score
Karel	32

Answer

Name	Score
Karel	32

Question 10

Which of the following HTML code snippets is the proper way to set the background color of an <h1> tag to be blue?

Accepted Answer

<h1 style="background-color:blue;">Hello</h1>

Answer

<h1 style="blue">Hello</h1>

Answer

<h1 background-color="blue">Hello</h1>

Answer

<blue>
    <h1>Hello</h1>
</blue>

Question 11

Why do we use CSS?

Accepted Answer

All of the above

Answer

HTML wasn’t intended to be able to style web pages, CSS allows us to add style

Answer

Separate the content of a web page from the design of a web page

Answer

Easily modify the look and feel of a web site even at a large scale

Question 12

Which of the following is a valid CSS rule?

Accepted Answer

h1 {
    color: blue;
}

Answer

css="color:blue;"

Answer

style="color:blue;"

Answer

h1 {
    color {
        blue;
    }
}

Question 13

Which of the following code snippets will select all <img> tags on a page and give them a height of 200 pixels?

Accepted Answer

img {
    height: 200px;
}

Answer

tag="img" {
    height: 200px;
}

Answer

Answer

<img> {
    height: 200px;
}

Question 14

Which of the following code snippets will select all HTML elements with the class “alert” and set their color to be red?

Accepted Answer

.alert {
    color: red;
}

Answer

#alert {
    color: red;
}

Answer

alert {
    color: red;
}

Answer

class="alert" {
    color: red;
}

Question 15

Which of the following CSS rules will select the HTML element with the id logo and set the font size for that element to 60 pixels?

Accepted Answer

#logo {
    font-size: 60px;
}

Answer

.logo {
    font-size: 60px;
}

Answer

logo {
    font-size: 60px;
}

Answer

id="logo" {
    font-size: 60px;
}

Question 16

What does URL stand for?

Accepted Answer

Uniform Resource Locator

Answer

Usable Render List

Answer

Underlying Request Layout

Answer

Underlying Response Layout

Question 17

What is the first step of viewing a web page as described in the video?

Accepted Answer

The URL: You type the URL for the web page into your browser

Answer

The Request: The browser sends a message to a server requesting a resource

Answer

Rendering the Page: Your browser takes the resource and renders it in the browser window

Answer

The Response: The server sends a response to the browser with the resource attached

Question 18

What is the second step of viewing a web page as described in the video?

Accepted Answer

The Request: The browser sends a message to a server requesting a resource

Answer

The URL: You type the URL for the web page into your browser

Answer

The Response: The server sends a response to the browser with the resource attached

Answer

Rendering the Page: Your browser takes the resource and renders it in the browser window

Question 19

What is the third step of viewing a web page as described in the video?

Accepted Answer

The Response: The server sends a response to the browser with the resource attached

Answer

The Request: The browser sends a message to a server requesting a resource

Answer

The URL: You type the URL for the web page into your browser

Answer

Rendering the Page: Your browser takes the resource and renders it in the browser window

Question 20

What is the fourth step of viewing a web page as described in the video?

Accepted Answer

Rendering the Page: Your browser takes the resource and renders it in the browser window

Answer

The Response: The server sends a response to the browser with the resource attached

Answer

The Request: The browser sends a message to a server requesting a resource

Answer

The URL: You type the URL for the web page into your browser

Question 21

What is data abstraction?

Accepted Answer

The process of simplifying complicated data into manageable chunks

Answer

Storing data in as little space as possible

Answer

Manipulating data to create something new

Answer

Filtering data to gain new knowledge

Question 22

Which of the following are examples of encoding information?

Accepted Answer

All of the above

Answer

Representing fast food meals as numbers on the menu. For example a number 1 represents a hamburger.

Answer

Assigning a number to every character of the alphabet so we can represent sentences as series of simple digits.

Answer

Assigning a numeric value to every area of a region, for example zip codes in the United States

Question 23

What is the number base of the binary number system?

Accepted Answer

2

Answer

0

Answer

1

Answer

10

Question 24

In the binary value 1002, what is the place value of the 1?

Accepted Answer

4s place

Answer

2s place

Answer

1s place

Answer

100s place

Question 25

How many possible values can be created with only 2 bits?

Accepted Answer

4

Answer

3

Answer

11

Answer

2

Question 26

How many bits are used to encode a character according to the ASCII encoding scheme?

Accepted Answer

8 bits
(ex: 0100 0001 encodes ‘A’)

Answer

2 bits
(ex: 10 encodes ‘A’)

Answer

4 bits
(ex: 1011 encodes ‘A’)

Answer

6 bits
(ex: 10 0110 encodes ‘A’)

Question 27

What is a pixel?

Accepted Answer

A single tiny dot, or square, of color in a digital image.

Answer

A grid of several colors in a digital image

Answer

Another name for a digital image

Answer

A small picture

Question 28

Which of the following statements are true about the Internet?

I - The Internet connects devices and networks all over the world
II - The Internet helps people collaborate to solve problems
III - The Internet helps people communicate
IV - There are no negative consequences of the Internet, it is purely positive

Accepted Answer

I, II, and III

Answer

I, II, III, and IV

Answer

I only

Answer

I and II only

Question 29

How is the bandwidth of a network measured?

Accepted Answer

Bitrate. Higher bitrate means higher bandwidth.

Answer

Frequency of waves. Higher frequency means higher bandwidth.

Answer

Light. More light means higher bandwidth.

Answer

Voltage. Higher voltage means higher bandwidth.

Question 30

What is the bitrate of a system?

Accepted Answer

The amount of data (in bits) that can be sent in a fixed amount of time

Answer

The number of bits used to encode a single letter

Answer

The strength of the network connection

Answer

The distance that data needs to travel in a network

Question 31

What is the latency of a system?

Accepted Answer

The time it takes for a bit to travel from sender to receiver

Answer

The strength of the network connection

Answer

The amount of data (in bits) that can be transmitted at any given time

Answer

The distance that data needs to travel in a network

Question 32

What is the Internet Protocol (IP)?

Accepted Answer

A protocol that defines the structure of an Internet address and assigns a unique address to every device on the Internet

Answer

A law that says that the Internet is for everyone

Answer

A set of rules describing what behavior is acceptable on the Internet

Answer

An agreement that sets a limit on the number of computers than can be on the Internet at any given time

Question 33

Suppose we used an Internet Addressing protocol that used 4 bits to encode a single address. How many devices would be supported on the Internet? How many unique addresses would there be?

Accepted Answer

16

Answer

32

Answer

4

Answer

8

Question 34

What is the function of the Domain Name System (DNS)?

Accepted Answer

To translate domain names into IP addresses

Answer

To sell website names to web developers

Answer

To assign a unique domain name to every computer

Answer

To make sure that each IP address has only one corresponding domain name

Question 35

According to the Domain Name System (DNS), which of the following is a subdomain of the domain example.com?

Accepted Answer

about.example.com

Answer

example.com/home

Answer

example.com.org

Answer

example.org

Question 36

Which of the following are true about Internet routing?

I - For any two points on the Internet, there exists only one path between the two points
II - Routing on the Internet is fault tolerant and redundant

Accepted Answer

II only

Answer

Both I and II

Answer

I only

Answer

Neither I nor II

Question 37

What information is contained in a packet?

Accepted Answer

A small part of a digital message, and metadata about the message, including where it came from and where it is going

Answer

The entirety of a digital message, and metadata about the message, including where it came from and where it is going.

Answer

A small part of a digital message.

Answer

The entirety of a digital message

Question 38

The Internet is available to everyone in the world

Accepted Answer

False

Answer

True

Question 39

What is the purpose of the Digital Millennium Copyright Act?

Accepted Answer

To criminalize the act of circumventing, or getting around, access controls that block access to copyrighted works.

Answer

To make all content on the Internet free for everyone to use.

Answer

To criminalize plagiarism on the Internet.

Answer

To allow for open source software on the Internet.

Question 40

Which of the following describes a task effectively broken into smaller parts?
I. Building a tree house by making a building plan, getting supplies and tools, and creating the base
II. Reading a book on programming
III. Comparing different walking shoes

Accepted Answer

I only

Answer

I and II

Answer

I, II, and III

Answer

II and III

Question 41

If x represents the area of the number line colored blue, which inequality accurately reflects the value of x?

Accepted Answer

x ≥ 6

Answer

x > 6

Answer

x < 6

Answer

x ≤ 6

Question 42

Which of the following statements are true about the Internet?
I - The Internet connects devices and networks all over the world
II - Widespread use of the Internet has led to concerns around privacy and copyright
III - The Internet helps people communicate
IV - All of the world has access to the Internet

Accepted Answer

I, II, and III

Answer

I, III and IV

Answer

I and II only

Answer

I, II, III, IV

Question 43

Which of the following is an example of an HTML tag?

Accepted Answer

<h3>

Answer

class="animal"

Answer

text-align: left;

Answer

color: blue;

Question 44

Which of the following are examples of encoding information?
I. Every item for sale in a store has a corresponding barcode number
II. Areas within the United States being assigned a zip code
III. Students at a school having a unique student identification number

Accepted Answer

I, II and III

Answer

I only

Answer

I and II

Answer

II and III

Question 45

Which of these is a valid Karel command?

Accepted Answer

move();

Answer

move;

Answer

MOVE

Answer

move()

Question 46

What keyword do you need to use to define a variable in JavaScript?

Accepted Answer

var

Answer

int

Answer

x

Answer

variable

Question 47

To ask the user of the program for a number, which function should you use?

Accepted Answer

Both readInt and readFloat are for numbers.

Answer

readInt

Answer

readLine

Answer

readFloat

Question 48

What function do you need to call to ask the user of the program to enter text?

Accepted Answer

readLine

Answer

readln

Answer

text

Answer

println

Question 49

What will the following code print to the screen?

Accepted Answer

4

Answer

Nothing

Answer

22

Answer

2 + 2

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