Storage and IO Devices Quiz

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Questions and Answers

Which of the following devices is categorized as an input device?

  • Speaker
  • Monitor
  • Mouse (correct)
  • Printer

What distinguishes primary storage from secondary storage?

  • Secondary storage allows for quick data access by the processor.
  • Secondary storage permanently holds information until deleted or overwritten. (correct)
  • Primary storage retains data only when powered.
  • Primary storage is known for its non-volatile memory.

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

  • Webcam
  • Mouse
  • Projector (correct)
  • Fingerprint scanner

What is a characteristic of USB flash drives?

<p>They are typically removable and rewritable. (B)</p> Signup and view all the answers

Which type of storage medium uses non-volatile memory to hold data?

<p>HDD (A)</p> Signup and view all the answers

What type of device is a fingerprint scanner considered to be?

<p>Input device (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of optical discs?

<p>They are magnetic storage devices. (B)</p> Signup and view all the answers

Which of these statements is true about secondary storage?

<p>It retains data without power until deleted. (A)</p> Signup and view all the answers

What is the primary purpose of an input device?

<p>To provide data and control signals to a computer (A)</p> Signup and view all the answers

Which of the following best describes secondary storage?

<p>A type of storage that retains information even when the power is off (D)</p> Signup and view all the answers

Which of the following statements accurately describes primary storage?

<p>It is mainly used for temporary data storage for quick access. (A)</p> Signup and view all the answers

What type of device is a webcam categorized as?

<p>Input device (C)</p> Signup and view all the answers

What is considered a characteristic of SSDs compared to HDDs?

<p>They use non-volatile memory to hold data. (D)</p> Signup and view all the answers

Which device is an example of an output device?

<p>Printer (C)</p> Signup and view all the answers

Which factor differentiates USB flash drives from traditional floppy disks?

<p>USB flash drives have significantly larger storage capacities. (A)</p> Signup and view all the answers

What type of media is read using a laser assembly?

<p>Optical disc (D)</p> Signup and view all the answers

Flashcards

Output Device

A device that receives data from a computer and shows or prints it.

Input Device

A device that gives data to a computer or other information system.

Storage Device

A device that saves computer information.

Primary Storage

Computer memory for quick access by the processor.

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Secondary Storage

Storage that holds data even if the computer is off.

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SSD

A storage device using non-volatile memory.

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Optical Disc

Storage using lasers to read and write data on discs like CDs or DVDs

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HDD

A storage device using hard disks for data.

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What is an input device?

An input device allows you to send information to a computer, like typing on a keyboard or taking a photo with a webcam.

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What types of input devices exist?

Common input devices include keyboards, mice, scanners, webcams, and fingerprint scanners. Each one has a specific way of providing data to the computer.

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What is an output device?

An output device displays or produces information from the computer, like showing content on a monitor or printing a document.

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What are some examples of output devices?

Output devices include monitors, printers, speakers, headphones, and projectors. Each one presents or reproduces information in a different format.

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What's primary storage?

Primary storage is the computer's main memory, like RAM, where data is temporarily stored so the processor can access it quickly.

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What is secondary storage?

Secondary storage saves information persistently, even when the computer is off, using devices like hard drives, SSDs, or flash drives.

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How are SSDs different from HDDs?

SSDs use flash memory, which is faster and more durable than the spinning disks used in HDDs. Both store data persistently.

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What are optical discs?

Optical discs, like CDs and DVDs, store data using laser technology to read and write information.

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Study Notes

Storage and IO Devices

  • Input devices are peripherals that provide data and control signals to an information processing system (like a computer).
  • Output devices receive data from a computer for display, projection, or physical reproduction.
  • Examples of input devices include: keyboard, scanner, mouse, webcam, fingerprint scanner.
  • Examples of output devices include: speaker, printer, projector, headphone, monitor/TV.
  • Storage devices hold information.
  • Primary storage (or main storage/memory) is where data is stored for quick access by the computer's processor.
  • Secondary storage (or external memory) holds information until deleted or overwritten, regardless of computer power being on/off.
  • SSDs (Solid State Drives) use non-volatile memory to store and access data.
  • HDDs (Hard Disk Drives) are non-volatile memory hardware devices that permanently store and retrieve data.
  • Flash drives are removable, rewritable USB devices.
  • Optical discs (like Blu-ray, CDs, and DVDs) use lasers to read data.
  • External drives are stored in enclosures for protection and connection via USB or eSATA.
  • Flash memory cards are solid-state electronic devices used with digital cameras, tablets, and computers.
  • Cloud storage stores data on networked servers, rather than a user's computer.
  • Network-attached storage (NAS) is file-level computer data storage connected to a computer network, providing data access to a heterogeneous group of clients.

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