Input and Output Devices Quiz: Identify the Non-Output Device

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Questions and Answers

What is the primary purpose of an input device?

To provide data and control signals to a computer

Which of the following is NOT an example of an input device?

Monitor

What is the primary function of an output device?

To translate data into visual, auditory, or physical form

Which of the following is NOT an example of an output device?

Keyboard Signup and view all the answers

Which type of key on a keyboard is used for navigating within a document or application?

Navigation keys Signup and view all the answers

What is the primary purpose of the function keys (F1-F12) on a keyboard?

To perform specific, pre-programmed functions Signup and view all the answers

Which type of key on a keyboard is used to enter letters and numbers?

Alphanumeric keys Signup and view all the answers

What is the purpose of the Shift, Ctrl, and Alt keys on a keyboard?

To modify the behavior of other keys 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 input device captures sound waves and converts them into an electrical signal?

Microphone Signup and view all the answers

What is the primary purpose of a webcam?

Video conferencing and live streaming Signup and view all the answers

Which input device is primarily used for photography and videography?

Digital camera Signup and view all the answers

How does a handheld scanner function?

Manually moving over the document Signup and view all the answers

What is the main difference between a digital camera and a webcam?

Digital camera is for photography, webcam for video conferencing Signup and view all the answers

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

Touchscreen Signup and view all the answers

What is the common feature between sheet-fed and flatbed scanners?

'Feeding papers one at a time' feature Signup and view all the answers

Which of the following is NOT a way a printer can connect to a device?

Infrared Signup and view all the answers

What is the primary function of the DAC (Digital-to-Analog Converter) in a computer's sound card?

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

What is the primary purpose 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 modulation process in a modem?

To convert the digital signal from the computer into an analog signal for transmission Signup and view all the answers

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

To convert the analog signal received over the telephone line into a digital signal for the computer Signup and view all the answers

Which of the following is NOT a function of a speaker in a computer's audio system?

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

What is the primary purpose of a combined input/output device like a modem?

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's demodulation process?

Amplifies the incoming signal for better reception Signup and view all the answers

What is the primary advantage of touchscreens?

Allowing direct interaction with on-screen elements using fingers or a stylus Signup and view all the answers

Which of the following is an older display technology that uses electron guns to illuminate phosphors?

Cathode Ray Tube (CRT) Signup and view all the answers

What is the primary advantage of LED displays compared to regular LCDs?

Brighter images, better black levels, and more vibrant colors Signup and view all the answers

What is the term used to describe the number of pixels on a display screen?

Resolution Signup and view all the answers

Which of the following measures how quickly a pixel can change colors?

Response time Signup and view all the answers

What is the term used to describe how many times the screen is redrawn in a second?

Refresh rate Signup and view all the answers

Which of the following display technologies is known for being thinner and consuming less power than CRTs?

Liquid Crystal Display (LCD) Signup and view all the answers

What is the primary output device used with computers to present visual information?

Monitor or display screen Signup and view all the answers

What aspect ratio is commonly used for screens?

16:9 Signup and view all the answers

What type of printer uses a laser beam to produce images on a drum?

Laser Printer Signup and view all the answers

Which printer type is known for high-speed printing and quality outputs?

Laser Printer Signup and view all the answers

What does DPI stand for in relation to printers?

Dots per Inch Signup and view all the answers

Which printer type uses liquid ink sprayed through tiny nozzles onto paper?

Inkjet Printer Signup and view all the answers

What key feature of a printer indicates the number of pages it can produce in a minute?

Printing Speed Signup and view all the answers

Which type of printer is commonly used for multi-part forms due to its ability to print through several layers of paper?

Dot Matrix Printer Signup and view all the answers

'Higher DPI values mean finer, clearer prints' - this statement is related to which key feature of a printer?

'Resolution' Signup and view all the answers

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