Information Technology

Front

A tool that uses advanced technology

Back

High-tech device

Answer explanation

The correct choice, 'High-tech device', directly describes a tool that utilizes advanced technology, making it the most fitting answer among the options provided.

Front

Information stored in computers and on the Internet

Back

Digitized information

Answer explanation

The correct answer is 'Digitized information' because it refers to data that is stored in a format that computers can process, which includes all information on computers and the Internet.

Front

To change from code to ordinary language

Back

Decode

Answer explanation

To change from code to ordinary language means to interpret or convert the coded information into a more understandable format. The term 'decode' specifically refers to this process of translation.

Front

Machines that process information

Back

Computers

Answer explanation

Computers are machines specifically designed to process information, making them the correct choice. Other options like 'high-tech device' are too broad, while 'digitized information' and 'decode' do not refer to machines.

Front

Patterns generated by sampling a stream of continuous data at regular intervals that are converted to 1s and 0s

Back

Digital signal

Answer explanation

The question describes a process of sampling continuous data and converting it into binary form (1s and 0s). This process is characteristic of a digital signal, which represents information in a discrete format.

Front

To send forward

Back

Transmit

Answer explanation

The term 'transmit' means to send forward, making it the correct choice. Other options like 'digital signal' and 'computers' do not directly relate to the action of sending.

Front

A radio transmitter can detect sound waves and convert them into electromagnetic waves that it can ______________ over long distances. A receiver can ___________ the electromagnetic waves and turn them back into sound waves for us to hear.

Back

Transmit/Decode

Answer explanation

The correct choice is 'Transmit/Decode' because a radio transmitter transmits electromagnetic waves over long distances, and a receiver decodes these waves back into sound waves for us to hear.

Front

Many digital devices, such as ___________, have changed the way we collect information and communicate with each other.

Back

Cell phones

Answer explanation

Cell phones are digital devices that have significantly transformed how we collect information and communicate, making them the correct choice. The other options do not fit the context of the sentence.

Front

The telegraph was one of the first electronic ____________ devices.

Back

Digital

Answer explanation

The telegraph was one of the first electronic digital devices, as it used electrical signals to transmit messages over long distances, marking a significant advancement in communication technology.

Front

What characteristic must a device have to receive a digital signal from a cell phone and get the original message?

Back

The ability to decode the digital signal back into sound

Answer explanation

The correct choice is 'The ability to decode the digital signal back into sound' because the receiving device must convert the digital signal back into an audible format to retrieve the original voice message.