Information Technology

the method of preparing data for storage or transmission

• transmit

• encode

• signal

• encrypt

Tags

NGSS.HS-PS4-2

A __________ is a piece of information that is communicated through using the senses.

• wave

• signal

• circuit

• notification

Tags

NGSS.MS-PS4-3

The use of light and cables to transfer electric signals over long distances

• WiFi

• GPS

• fiber optics

• landline

The passing on of information

• transmit

• encode

• signal

• encrypt

Tags

NGSS.MS-PS4-3

Change continuously over time; has a range of values, loses energy as it travels through a medium

• analog signals

• digital signals

• wireless signals

• electric signals

Tags

NGSS.MS-PS4-3

NGSS.MS-PS4-1

Code = one wave pulse represents numeral 1; two wave pulses represents numeral 0

What is the code? one wave, one wave, one wave, two waves, two waves, one wave

• 110001

• 111001

• 000110

• 001110

Tags

NGSS.MS-PS4-1

A signal to or from a computer is encoded into _________________, such as the two values - on (1) or off (0).

• analog signal

• digital signal

• binary numbers

• electricity

Tags

NGSS.MS-PS4-3

the unwanted modification of a signal

• encryption

• noise

• analog

• modulation

Tags

NGSS.MS-PS4-3

Is discrete and not continuous; represented by two values - either on or off

• analog signals

• digital signals

• wireless signals

• electric signals

Tags

NGSS.MS-PS4-3

What do all signals that are used to communicate have in common?

• They all involve light waves

• They all send information

• They all use printed words

• They all use a series of sounds

Tags

NGSS.MS-PS4-3