Topic 7 Information Technology

Is music playing from a record an analog or digital signal?

• Analog
• Digital

Is a video game coded as analog or digital data?

• Analog
• Digital

The string of 1s and 0s that control a computer is called _____ code.

• binary
• dichotomous
• Morse
• two-number

Numbers in a digital code can have _____ values.

• any
• only high
• only low
• only set

Numbers in an analog code can have _____ values.

• any
• only high
• only low
• only set

Which type(s) of signal(s) can be easily corrected to remove noise?

• Analog
• Digital
• Both
• Neither

Analog signals can be converted to digital through a process called _____.

• conversion
• processing
• sampling
• translation

How do computer hard drives and USB drives store data?

• Binary code
• Pictures
• Symbols
• Words

Which type(s) of signal(s) can be transmitted as radio waves?

• Analog
• Digital
• Both
• Neither

Setting the color of each pixel on a computer screen requires a _____ signal.

• analog
• digital
• loud
• fast