True/False

Question 1

Transcoding digital videos does not cause a loss of quality.

Answer 1

F

Question 2

In digital video, a lower resolution reduces the bit rate.

Answer 2

T

Question 3

Bitmap graphics are resolution dependent because each element is a discrete pixel.
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Answer 3

T

Question 4

All of the data stored and transmitted by digital devices is encoded as bits.

Answer 4

T

Question 5

Regardless of sampling rate, digital audio file size can be reduced using audio compression techniques.

Answer 5

T

Question 6

Instead of storing the color value for each pixel, a vector graphics file contains instructions that a computer uses to create the shape, size, position, and color for each object in an image.

Answer 6

T

Question 7

An example of system software is a computer operating system.

Answer 7

T

Question 8

A solid state drive can be used as a substitute for a hard disk drive.

Answer 8

T

Question 9

The term instruction cycle refers to the process in which a computer executes a single instruction.
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Answer 9

T

Question 10

System software is a set of computer programs that helps a person carry out a task.

Answer 10

F

Question 11

Smartphones evolved from basic cell phones and personal digital assistants (PDAs).

Answer 11

T

Question 12

A slate tablet configuration is basically a screen in a narrow frame that lacks a physical keyboard.

Answer 12

T

Question 13

Component systems are currently the most popular form factor for digital devices.

Answer 13

F

Question 14

A hard disk drive is an example of magnetic storage.

Answer 14

T

Question 15

Land-grid arrays (LGAs) have two rows of pins that connect the chip to a circuit board.

Answer 15

F

Question 16

Random access memory (RAM) is volatile.

Answer 16

T

Question 17

A desktop is a portable computing device featuring a touch-sensitive screen that can be used for input as well as for output.

Answer 17

F

Question 18

ARM-based processors are not especially energy efficient.
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Answer 18

F

Question 19

Modern processors follow Intel’s original numbering sequence.

Answer 19

F

Question 20

Processing is handled by the computer’s CPU.

Answer 20

T

Question 21

Read-only memory (ROM) is temporary and volatile. RAM is more permanent and non-volatile.

Answer 21

F

Question 22

Many RFID (radio-frequency identification) and NFC (near field communication) tags contain no power source of their own and depend on the receiving device to provide the power for data exchange.

Answer 22

T

Question 23

A Web site cannot be accessed by its domain name until the name is added to the domain name server lists.

Answer 23

T

Question 24

When connecting to the Internet, most Internet users connect to a Tier 1 network.
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Answer 24

F

Question 25

Mobile broadband can be used to access the Internet from a laptop or desktop computer.

Answer 25

T

Question 26

The Internet is the world's largest WAN.

Answer 26

T

Question 27

LANs use many of the same network technologies as the Internet.

Answer 27

T

Question 28

Most wireless LANs use licensed frequencies that require applying to the Federal Communications Commission (FCC) for permission.

Answer 28

F

Question 29

Packet loss of less than 2% is required for acceptable streaming, gaming, Skype, and voice calls.

Answer 29

T

Question 30

Most Internet connections are symmetrical.

Answer 30

F

Question 31

Dropbox is an example of a file hosting service.

Answer 31

T

Question 32

You may be able to bypass DNS outages by changing your DNS server.

Answer 32

T

Question 33

When setting up a Wi-Fi network, the router you select should support the fastest device you'll want to use on the network. Upgrade to remove ads Only $1/month

Answer 33

T

Question 34

Wi-Fi signals may reach up to 300 feet from the router.

Answer 34

T

Question 35

Domain name servers maintain lists of all domain names and their corresponding IP addresses.

Answer 35

T

Question 36

Microwaves have more carrying capacity than radio waves.

Answer 36

T

Question 37

When interference affects a wireless signal, data must be retransmitted.

Answer 37

T

Question 38

With wired connections, such as Ethernet, the rated speed and range are usually quite different to actual performance.

Answer 38

F

Question 39

The organization that supervises Internet addressing is ARPANET.

Answer 39

F

Question 40

UDP (User Datagram Protocol) is faster than TCP (Transmission Control Protocol) but does not perform error checking.

Answer 40

T

Question 41

You can access FTP servers with a browser.

Answer 41

T

Question 42

You can use multiple browsers on a device.

Answer 42

T

Question 43

You can think of HTTP as the system that browsers use to communicate with a Web server and ask for HTML documents.

Answer 43

T

Question 44

An HTML document begins with the DOCTYPE and declarations.

Answer 44

F

Question 45

Most search engines keep a record of users' search history.

Answer 45

T

Question 46

Web sites can be spread across multiple Web servers.

Answer 46

T

Question 47

It is not possible to delete the contents of your browser cache.

Answer 47

F

Question 48

URLs contain a domain name.

Answer 48

T

Question 49

An HTML document consists of three sections: the head, the body, and the content.

Answer 49

F

Question 50

Your search history is the same as your browser history.

Answer 50

F

Question 51

HTML is the only markup language used on the Web.

Answer 51

F

Question 52

In an HTML document, most tags are inserted as pairs.

Answer 52

T

Question 53

Session cookies are stored on a disk or other permanent storage medium. Upgrade to remove ads Only $1/month

Answer 53

F

Question 54

HTTP is the markup language used to specify the contents of a Web page.

Answer 54

F

Question 55

In today's Web, most Web pages have bidirectional links.

Answer 55

F

Question 56

The file name of a specific Web page always appears first in the URL.

Answer 56

F

Question 57

Public key encryption requires one key to encrypt data but a different key to decrypt it.

Answer 57

T

Question 58

If you allow your browser to store passwords, you no longer need to worry about security for those passwords.

Answer 58

F

Question 59

In Wikipedia, it is possible to edit the text of most articles.

Answer 59

T

Question 60

Webmail is typically a free service.

Answer 60

T

Question 61

By some estimates, nearly 40% of all online identities are fake. Upgrade to remove ads Only $1/month

Answer 61

T

Question 62

Crowdsourcing is based on contributions from groups of individuals, but it differs from collaborative work.

Answer 62

T

Question 63

On mobile devices, Voice over Internet Protocol (VoIP) uses the voice stream, not the data stream.

Answer 63

F

Question 64

Geocoding is the process of adding location data to photos, Web sites, hypertext markup language (HTML) documents, audio files, blog posts, and text messages.

Answer 64

F

Question 65

Webmail is configured so that incoming messages are stored in an Inbox on your local storage device.

Answer 65

F

Question 66

IM technology offers a degree of anonymity because typed messages have no associated voice or video.

Answer 66

T

Question 67

Private messages can be forwarded by recipients, so they do not necessarily remain private.

Answer 67

T

Question 68

Privacy is only important if you have something to hide.

Answer 68

F

Question 69

Wiki software provides a set of tools for creating and editing content.

Answer 69

T

Question 70

Microsoft Windows is used exclusively on desktop systems.

Answer 70

F

Question 71

There is a universal standard for categorizing software, and various categorization schemes have few similarities.

Answer 71

F

Question 72

Most handheld devices can use either Web apps or mobile apps but not both. Upgrade to remove ads Only $1/month

Answer 72

F

Question 73

If you wanted to run multiple operating systems simultaneously on one computer, you would use a virtual machine.

Answer 73

T

Question 74

A formula, such as =B6+(C6*.1), does not contain cell references.

Answer 74

F

Question 75

Every peripheral device connected to a computer is regarded as an input or output resource.

Answer 75

T

Question 76

The term service pack usually applies to operating system updates.

Answer 76

T

Question 77

Within a single program, multiprocessing allows multiple commands, or threads, to run simultaneously.

Answer 77

F

Question 78

Partitions are created, modified, and deleted using Filezilla on Macs and Disk Partitioner on PCs.

Answer 78

F

Question 79

Mobile devices tend to be populated by entertainment apps, games, and social media services.

Answer 79

T

Question 80

You won't find a desktop with application windows on an iOS device.

Answer 80

T

Question 81

Some database software provides tools to work with more than one collection of records, as long as the records are somehow related to each other. Upgrade to remove ads Only $1/month

Answer 81

T

Question 82

The kernel stays in random access memory (RAM) the entire time your computer is on.

Answer 82

T

Question 83

Paragraph style includes the alignment of text within the margins and the space between each line of text.

Answer 83

T

Question 84

Any data entering a digital device could be malware.

Answer 84

T

Question 85

Blacklist and header filtering are usually performed by email clients and Webmail services.

Answer 85

F

Question 86

The objective of a MITM attack is for a third party to block communications between two entities. Upgrade to remove ads Only $1/month

Answer 86

F

Question 87

Most mass-mailing databases are legitimately compiled from customer lists.

Answer 87

F

Question 88

Hackers can use ports to communicate with devices in botnets.

Answer 88

T

Question 89

Heuristics may produce false positives that mistakenly identify a legitimate file as malware.

Answer 89

T

Question 90

If a hacker intercepts encrypted data by way of a MITM attack, the contents of that data is not always secure.

Answer 90

T