Week 3 medium

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What is the main function of an input device?

Interact with a computer and provide data to it (correct)

Receive data from a computer for processing

Translate data into visual or auditory form

Display data in a way humans can understand

Which of the following is NOT considered an input device?

Keyboard

Microphone

Monitor (correct)

Scanner

What are the navigation keys found on a keyboard used for?

Provide control signals to the computer

Navigate within documents or web pages (correct)

Perform special functions like copy and paste

Translate data into another form

Which device enables users to hear the results of a computer's processes?

Headphones Signup and view all the answers

What are alphanumeric keys on a keyboard used for?

Enter letters and numbers Signup and view all the answers

Which of the following is an example of an output device?

Speakers Signup and view all the answers

What is the purpose of function keys on a keyboard?

Execute specific commands or operations Signup and view all the answers

What role do output devices play in computing?

Display processed data for users to understand Signup and view all the answers

Which of the following is NOT a way that printers can connect to devices?

HDMI Signup and view all the answers

What is the primary function of a modem?

To convert digital data into a format suitable for transmission over analog communication lines Signup and view all the answers

What is the purpose of the Digital-to-Analog Converter (DAC) in a computer's sound system?

To convert digital audio data into an analog signal Signup and view all the answers

What is the purpose of the modulation process in a modem?

To convert the digital signal from the computer into an analog signal that can be transmitted over telephone lines Signup and view all the answers

What is the purpose of the demodulation process in a modem?

To convert the analog signal received over telephone lines into a digital signal that the computer can understand Signup and view all the answers

How does the computer speaker system produce sound waves?

By using the physical movement of the speaker's drivers to produce the sound waves Signup and view all the answers

What is the primary purpose of a modem in a computer system?

To convert digital data into a format suitable for transmission over analog communication lines Signup and view all the answers

Which of the following is NOT a function of a modem?

Amplification Signup and view all the answers

What is the significance of response times in gaming?

It is important for fast-paced actions in gaming. Signup and view all the answers

What is the function of a Dot Matrix Printer?

Produces characters and graphics through patterns of dots. Signup and view all the answers

Which type of printer is known for fast printing speeds and high-quality outputs?

Laser Printer Signup and view all the answers

What does DPI stand for in printers?

Dots Per Inch Signup and view all the answers

Which feature of a printer indicates how many pages it can produce in one minute?

Speed Signup and view all the answers

What is the main difference between an Inkjet Printer and a Laser Printer?

Laser printers transfer images using an electrostatic process. Signup and view all the answers

Which type of printer is commonly used for multi-part forms as it can print through several layers of paper?

Dot Matrix Printer Signup and view all the answers

What technology do CRT monitors use to illuminate phosphors on the screen?

Electron guns Signup and view all the answers

Which type of display technology is thinner and consumes less power compared to CRT monitors?

LCD Signup and view all the answers

What type of display technology results in brighter, more vibrant images and better black levels with its LED backlighting?

LCD Signup and view all the answers

Which feature of a monitor refers to the number of pixels on the screen?

Resolution Signup and view all the answers

What measures how many times the screen is redrawn in a second?

Refresh Rate Signup and view all the answers

In monitor technology, what does Response Time measure?

How quickly a pixel can change colors Signup and view all the answers

Which technology allows users to control interface elements directly with their fingers or a stylus pen without a traditional keyboard or mouse?

Touchscreen technology Signup and view all the answers

'1080p' commonly refers to which aspect of a monitor's performance?

Resolution Signup and view all the answers

What is the primary function of a sheet-fed scanner?

Feeding papers one at a time for scanning Signup and view all the answers

Which device is primarily used for video conferencing and online communication?

Webcam Signup and view all the answers

What does a flatbed scanner lack in comparison to a sheet-fed scanner?

Feed mechanism for papers Signup and view all the answers

Which device is designed primarily for photography and videography applications?

Digital Camera Signup and view all the answers

What is the main purpose of a handheld scanner?

Moving over the document for scanning Signup and view all the answers

Which device converts sound waves into electrical signals?

Microphone Signup and view all the answers

What distinguishes a digital camera from a webcam primarily?

High-resolution image and video capture Signup and view all the answers

Which input device allows users to directly interact with a digital display using touch gestures?

Touchscreen Signup and view all the answers