Unit 7 An Ever-Advancing Nation - Chapter 2 The Digital Age

How did the telephone change communication?

• It allowed people in different places to speak to each other.

• It made it impossible to send written messages.

• It replaced all face-to-face conversations.

• It stopped people from using the mail.

What method of communication did Marconi try first?

• He first sent morse code messages to someone a half mile away.

• He first used smoke signals to communicate.

• He first sent messages using carrier pigeons.

• He first tried to communicate using semaphore flags.

How did radios impact family life?

• Radios helped families stay connected and receive news.

• Radios made families spend less time together by encouraging outdoor activities.

• Radios replaced the need for newspapers entirely in every home.

• Radios caused families to stop communicating with each other.

Who invented the television?

• Philo Farnsworth

• Thomas Edison
• Nikola Tesla
• Guglielmo Marconi

How did Percy Spencer invent the microwave?

• He was working with a tool that gave off heat and accidentally melted the candy bar in his pocket.

• He was trying to create a new type of oven and stumbled upon microwave technology while experimenting with different heating elements.

• He read about microwaves in a science journal and decided to build a device based on the article's instructions.

• He was inspired by a dream in which he saw food being cooked by invisible waves and decided to make it a reality.

One effect microwaves had on people’s lifestyles was:

• They made it easier to cook food quickly.

• They made food taste worse.

• They replaced all traditional ovens.

• They increased the cost of electricity.

The first computers were:

• Large and took up entire rooms

• Small and portable

• Wireless and touch screen

• Powered by solar energy

The spread of computers led to:

• increased manual labor

• faster information processing

• decline in technology

• reduced communication

Smartphones have changed how people use telephones by:

• Allowing only voice calls

• Enabling internet access and multiple functions

• Making telephones obsolete

• Limiting communication to text messages

The military is connected to digital innovation in which of the following ways?

• By developing advanced technologies

• By focusing only on traditional warfare

• By avoiding the use of digital tools

• By limiting research to non-digital fields