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Output Devices Quiz 10 (10 MCQs)

This set of multiple-choice questions evaluates understanding of high-speed printing, batch processing, transaction processing, and output devices. It covers concepts such as printer function, data presentation methods, and the classification of devices. The questions assess knowledge of audio signals, digital information, and the conversion of digital to physical output, including hard copy production and printer types.

Quiz Instructions

Select an option to see the correct answer instantly.

1. Large computer system typically uses:

Correct Answer: Correct answer is: (A) Line printers.

Exam Relevance: CompTIA A+, CIW, ITIL

Difficulty: Moderate

Concept notes: Line printers are high-speed printers that print an entire line of text at once, making them suitable for large computer systems that require high-volume printing.

Common Mistakes: A common misunderstanding is that ink-jet printers or dot-matrix printers are the best choice for large computer systems, but these are generally slower and less efficient for high-volume printing.

Explanations: Line printers are designed to handle high-volume printing tasks efficiently. They print an entire line of text at once, which makes them ideal for large computer systems that need to produce a large number of pages quickly. This capability is crucial for applications such as batch processing, report generation, and transaction processing, which are common in large computer systems.

Option Analysis:

Option A: Line printers are the correct choice for large computer systems due to their high-speed printing capabilities.
Option B: Ink-jet printers are typically used for home or small office environments and are not suitable for high-volume printing.
Option C: Dot-matrix printers are slower and less efficient for high-volume printing compared to line printers.
Option D: Daisy wheel printers are slower and less efficient for high-volume printing compared to line printers.

2. A Laser printer is:

Correct Answer: Correct answer is: (B) An output device.

Exam Relevance: ITIL Foundation, CompTIA A+, CCNA

Difficulty: Easy

Concept notes: A laser printer is a device that produces text and images on paper using a laser beam to produce an image on a drum, which then transfers the image to paper with toner.

Common Mistakes: A common misunderstanding is that a laser printer could be an input device, which is incorrect. Input devices are used to input data into a computer, whereas a laser printer outputs data from a computer.

Explanations: A laser printer is classified as an output device because it is used to produce physical output, such as printed text and images, from digital data. It does not input data into a computer system, which is the function of an input device.

Option Analysis:

Option A: Incorrect, as a laser printer does not input data into a computer system.
Option B: Correct, as a laser printer produces physical output from digital data.
Option C: Incorrect, as a laser printer is exclusively an output device and not an input device.
Option D: Incorrect, as a laser printer is indeed an output device.

3. Which of the following is a non-impact printer?

Correct Answer: Correct answer is: (C) Laser printer.

Exam Relevance: Computer Science Exams, IT Certification Exams, Engineering Exams

Difficulty: Easy

Concept notes: Non-impact printers produce text and images without physically striking the paper. Laser printers are a type of non-impact printer.

Common Mistakes: A common mistake is to confuse impact printers with non-impact printers. Impact printers, such as daisy wheel and drum printers, use a physical impact to print, whereas non-impact printers like laser printers do not.

Explanations: Laser printers are non-impact printers because they use a laser beam to produce an image on a drum, which is then transferred to paper using toner. This process does not involve any physical impact on the paper, making it a non-impact printer.

Option Analysis:

Option A: Daisy wheel printer is an impact printer because it uses a wheel with characters that strike the paper to print.
Option B: Drum printer is an impact printer because it uses a rotating drum with characters that strike the paper to print.
Option C: Laser printer is a non-impact printer because it uses a laser beam to create an image on a drum, which is then transferred to paper using toner without physical impact.
Option D: This option is incorrect as laser printers are indeed non-impact printers.

Mnemonic: Laser = Light, No Impact

4. Printer is an .....

Correct Answer: Correct answer is: (C) Output device.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Computing Exams

Difficulty: Easy

Concept notes: A printer is a device that produces a physical copy of digital information, making it an output device.

Common Mistakes: A common misunderstanding is that a printer might be considered an input device because it can scan documents. However, scanning is a separate function and does not change its primary classification as an output device.

Explanations: A printer is designed to convert digital data into a physical form, such as a printed document. This function of producing output makes it an output device. Input devices, on the other hand, are used to input data into a computer system, and software is a set of instructions that tells a computer what to do.

Option Analysis:

Option A: A printer is not an input device, as it does not input data into a computer system.
Option B: A printer is a hardware device, not software.
Option C: A printer is an output device because it produces a physical output from digital data.
Option D: The printer is correctly classified as an output device, so this option is incorrect.

5. What is the name of the computer terminal which gives paper printout?

Correct Answer: Correct answer is: (C) Hard copy terminal.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Computing Exams

Difficulty: Easy

Concept notes: A hard copy terminal is an output device that provides a paper printout of data.

Common Mistakes: A common mistake is confusing a hard copy terminal with a display screen, which provides a soft copy output.

Explanations: A hard copy terminal is designed to produce a physical, paper-based output of data. This is in contrast to a display screen, which shows data on a screen without producing a physical copy. The term "hard copy" specifically refers to the tangible, paper-based output, making the hard copy terminal the correct answer.

Option Analysis:

Option A: A display screen provides a soft copy output, not a paper printout.
Option B: A soft copy terminal provides output on a screen, not on paper.
Option C: A hard copy terminal provides a paper printout, which is the correct description.
Option D: A plotter is used for creating graphical output, typically on paper, but it is not specifically a terminal that provides a printout of data.

6. The device primarily used to provide hardcopy is the

Correct Answer: Correct answer is: (C) Printer.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Computing Exams

Difficulty: Easy

Concept notes: An output device is a hardware component that converts processed data into a form that can be understood by humans. The primary function of a printer is to provide hardcopy output, which is a physical copy of the data.

Common Mistakes: A common misunderstanding is that a CRT (Cathode Ray Tube) or a computer console can provide hardcopy output. However, these devices are primarily used for displaying information on a screen, not for producing physical copies.

Explanations: A printer is specifically designed to produce hardcopy output, which is a physical document or image. This makes it the most appropriate device for providing hardcopy among the given options.

Option Analysis:

Option A: CRT (Cathode Ray Tube) is a display device used to show visual information on a screen, not to produce hardcopy.
Option B: A Computer Console is a user interface for interacting with a computer, typically including a monitor and keyboard, but it does not produce hardcopy.
Option C: A Printer is designed to produce hardcopy output, making it the correct choice.
Option D: A Card Reader is used to read data from punch cards or similar media, but it does not produce hardcopy output.

7. Data that come out of a computer device. For example, information displayed on the monitor, sound from the speakers, and information printed to paper.

Correct Answer: Correct answer is: (A) Output.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Computing Exams

Difficulty: Easy

Concept notes: Output refers to the data or information that comes out of a computer device, such as information displayed on a monitor, sound from speakers, or information printed to paper.

Common Mistakes: A common misunderstanding is confusing output with input, which refers to data that goes into a computer device, such as from a keyboard or mouse.

Explanations: The term "output" specifically describes the data that is produced by a computer and presented to the user through various output devices. This includes visual data on a monitor, audio data from speakers, and printed data on paper. Therefore, the correct answer is "Output."

Option Analysis:

Option A: Correct. Output refers to the data that comes out of a computer device.
Option B: Incorrect. "Palm" is unrelated to computer output.
Option C: Incorrect. "Hardware" refers to the physical components of a computer, not the data that comes out of it.
Option D: Incorrect. "None of the above" is not applicable since "Output" is the correct term.

8. What type of device is a computer printer?

Correct Answer: Correct answer is: (B) Output.

Exam Relevance: IT certifications, Computer Science exams, Information Technology exams

Difficulty: Easy

Concept notes: A computer printer is a device that produces a physical copy of digital information. It is classified as an output device because it converts digital data into a tangible form, such as printed text or images.

Common Mistakes: A common misunderstanding is to confuse input devices (like keyboards or mice) with output devices. Input devices are used to send data to a computer, while output devices are used to display or produce data from a computer.

Explanations: A computer printer is an output device because it takes digital information from a computer and produces a physical output, such as a printed document. This aligns with the definition of an output device, which is a hardware component that displays or produces data from a computer.

Option Analysis:

Option A: Input devices are used to send data to a computer, not to produce output. Examples include keyboards and mice.
Option B: Output devices are used to display or produce data from a computer. Printers fit this description as they produce a physical copy of digital information.
Option C: Software refers to programs and applications that run on a computer, not physical devices that produce output.
Option D: Storage devices are used to save and retrieve data, not to produce output. Examples include hard drives and USB drives.

9. A device that converts analog audio signals into the equivalent air vibrations to make audible sound.

Correct Answer: Correct answer is: (A) Speaker or headsets.

Exam Relevance: Computer Science Exams, IT Certification Exams, Electronics Exams

Difficulty: Easy

Concept notes: An output device is a hardware component that converts data from a computer into a form that can be understood by humans. In the context of audio, a speaker or headset converts analog audio signals into sound waves that can be heard.

Common Mistakes: A common misunderstanding is that a web cam, internet, or personal computer can directly convert audio signals into sound. These devices do not have the capability to produce sound directly from audio signals.

Explanations: A speaker or headset is designed to convert analog audio signals into sound waves. This process involves taking the electrical signals and using a diaphragm to create vibrations in the air, which we perceive as sound. Therefore, the correct answer is (A) Speaker or headsets.

Option Analysis:

Option A: Correct. A speaker or headset converts analog audio signals into sound waves.
Option B: Incorrect. A web cam captures video and does not convert audio signals into sound.
Option C: Incorrect. The internet is a network and does not convert audio signals into sound.
Option D: Incorrect. A personal computer processes data but does not directly convert audio signals into sound.

10. What could be considered an output device?

Correct Answer: Correct answer is: (A) Printer.

Exam Relevance: Computer Science Exams, IT Certification Exams, Basic Computing Exams

Difficulty: Easy

Concept notes: An output device is a hardware component that receives data from a computer and presents it in a human-readable form.

Common Mistakes: A common mistake is confusing input devices (like a mouse or keyboard) with output devices.

Explanations: A printer is an output device because it receives data from a computer and produces a physical document. It converts digital information into a tangible form, which is the primary function of an output device.

Option Analysis:

Option A: Printer is an output device as it converts digital data into a physical document.
Option B: Mouse is an input device as it sends data to the computer.
Option C: Keyboard is an input device as it sends data to the computer.
Option D: None of the above is incorrect because a printer is indeed an output device.

Frequently Asked Questions

What is an output device?

An output device is a piece of computer hardware that converts digital information into a form that can be understood by humans, such as text, images, or sound.

What types of output devices are commonly used in large computer systems?

Common output devices in large computer systems include line printers and laser printers, which are designed for high-volume printing and can produce hard copy output efficiently.

How do non-impact printers differ from impact printers?

Non-impact printers, such as laser printers, do not physically strike the paper to produce text or images, whereas impact printers, like dot matrix printers, use a mechanism that physically touches the paper.

What is the purpose of a printer in data presentation?

A printer converts digital information into a physical form, such as a paper printout, which can be useful for documentation, record-keeping, and sharing information in a tangible format.

How do output devices contribute to the overall function of a computer?

Output devices are essential for presenting processed data in a form that users can interact with, enabling them to read, hear, or view the results of computations and data processing.

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