Information Technology

Front

What is a digital signal?

Back

A digital signal is a type of signal that represents data as discrete values, typically using binary code (0s and 1s).

Tags

NGSS.MS-PS4-3

Front

What is noise in the context of signals?

Back

Noise refers to unwanted modifications or disturbances in a signal that can affect the clarity and quality of the transmitted information.

Tags

NGSS.MS-PS4-3

Front

How do computer hard drives and USB drives store data?

Back

They store data using binary code, which is a system of representing information using two states: 0 and 1.

Front

What does it mean to transmit information?

Back

To transmit information means to pass on data or messages from one place to another, using various means such as signals, gestures, or sounds.

Tags

NGSS.MS-PS4-3

Front

What is the purpose of encoding data?

Back

Encoding data is the process of converting information into a specific format for efficient transmission or storage.

Tags

NGSS.MS-PS4-3

Front

What is a signal?

Back

A signal is a way to transmit information through various means such as sound, light, or gestures.

Tags

NGSS.MS-PS4-3

Front

What is the difference between analog and digital signals?

Back

Analog signals represent data in a continuous form, while digital signals represent data in discrete values.

Tags

NGSS.MS-PS4-3

Front

What is modulation in signal processing?

Back

Modulation is the process of varying a carrier signal in order to transmit information.

Tags

NGSS.MS-PS4-3

Front

What is the role of a computer in processing information?

Back

A computer processes information by receiving input, performing operations on it, and producing output.

Front

What is binary code?

Back

Binary code is a system of representing text or computer processor instructions using the binary number system, which consists of only two digits: 0 and 1.

Tags

NGSS.MS-PS4-3