1.1.3 Input, output and storage

• What is the primary function of input devices?

  Convert human-readable information
• Match the input device with its function:

  Mouse ↔️ Controls cursor

  Microphone ↔️ Captures audio signals

  Scanner ↔️ Digitizes documents

  Keyboard ↔️ Enters text and commands
• A keyboard is used to enter text and commands
• What are the three main categories of input devices?

  Pointing, text, digitizing
• Which input device captures audio signals?

  Microphone
• Speakers convert digital audio signals into sound waves
• Which input device captures audio signals?

  Microphone
• A monitor is an example of a visual output device
• Visual output devices include monitors and projectors
• Primary storage (RAM) provides long-term data storage even when the computer is off.

  False
• What is the purpose of input devices?

  Convert human information
• Microphones are categorized as audio input devices.


  True
• An output device that presents visual information on a screen is a monitor
• A projector projects visual information onto a larger surface
• Primary storage, also known as RAM, is used for quick access to data currently used by the CPU
• An SSD stores data electronically using flash
• Which secondary storage device is relatively inexpensive but slower?

  HDD
• Which type of storage has a higher cost per GB?

  Volatile
• Wireless transfer is convenient but may have security risks.


  True
• A scanner digitizes documents and images.


  True
• A touchscreen is an example of a pointing device.
• Output devices translate computer-generated data into human-readable format.

  True
• A projector is used to display information on a larger surface.


  True
• A keyboard is categorized as a text input device.
• What type of output device produces physical copies of digital documents?

  Printer
• What is the primary function of hardcopy output devices?

  Produce physical copies
• Which type of secondary storage uses flash memory to store data electronically?

  SSD
• A keyboard is an example of a text input device
• Match the input device category with an example:

  Pointing Device ↔️ Mouse

  Text Input Device ↔️ Keyboard

  Audio Input Device ↔️ Microphone
• A printer produces physical copies of digital documents and images.


  True
• Categorize common output devices into their main types.

  1️⃣ Visual Output Devices

  2️⃣ Hardcopy Output Devices

  3️⃣ Audio Output Devices
• Secondary storage retains data even when the computer is turned off.


  True
• A flash drive is highly portable and durable.

  True
• An SSD is durable but has a lower capacity per dollar
• Match the data transfer type with its description.

  Serial Transfer ↔️ Data is transferred one bit at a time

  Parallel Transfer ↔️ Multiple bits are transferred simultaneously

  Wireless Transfer ↔️ Data is transferred using radio signals
• A graphics tablet is used to create digital artwork.

  True
• What is the function of a display monitor?

  Presents visual information
• Order the following input devices from capturing visual data to capturing audio data:

  1️⃣ Scanner

  2️⃣ Microphone
• What is the primary function of output devices?

  Translate computer data
• Speakers convert digital audio signals into sound waves.


  True