Intro: Digital Devices and Connections

Which device sends data INTO a computer?

• Printer

• Keyboard

• Monitor

• Speaker

Answer explanation

A keyboard sends keystrokes into the computer, making it an input device. Monitors, printers, and speakers all send information out to the user.

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Blooms Level: Remember

Which device displays visual output from a computer onto a large screen?

• Projector

• USB flash drive

• Webcam

• Microphone

Answer explanation

A projector displays visual information from the computer, making it an output device. Webcams and microphones capture data going into the computer as input.

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Blooms Level: Remember

Which connector is most commonly used to transfer data between a laptop and a USB flash drive?

• Ethernet port

• USB port

• HDMI port

• VGA port

Answer explanation

USB ports connect flash drives and other peripherals for data transfer. HDMI and VGA carry video signals, and Ethernet connects to wired networks.

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Blooms Level: Remember

How does HDMI differ from VGA when connecting a laptop to a monitor?

• HDMI transfers files; VGA streams audio only

• HDMI carries both audio and video; VGA carries video only

• VGA carries both audio and video; HDMI carries video only

• VGA is wireless; HDMI requires a network cable

Answer explanation

HDMI transmits audio and video in one cable, while VGA is an older standard that carries video only. This is a common reason to prefer HDMI for modern displays.

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Blooms Level: Understand

Which device produces output a user can hear?

• Barcode reader

• Webcam

• Scanner

• Speakers

Answer explanation

Speakers convert digital audio signals into sound the user can hear, making them an output device. Scanners, barcode readers, and webcams all capture data as input.

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Blooms Level: Remember

Which connection type allows a laptop to join a network without using any cables?

• Ethernet

• Wi-Fi

• HDMI

• USB

Answer explanation

Wi-Fi provides wireless network access with no physical cable required. Ethernet uses a wired cable, while HDMI and USB are not network connection types.

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Blooms Level: Remember

Which of the following is an output device?

• Keyboard

• Webcam

• Microphone

• Printer

Answer explanation

A printer produces physical copies of documents, making it an output device. Microphones, keyboards, and webcams all capture or send data into the computer as input.

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Blooms Level: Remember