Input Devices Quiz

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Questions and Answers

Which of the following is categorized as hardware?

  • CPU (correct)
  • Web Browser
  • Operating System
  • Spreadsheet Software

What is the primary function of software?

  • To connect hardware components
  • To perform specific tasks or operations (correct)
  • To store data permanently
  • To provide power to the computer

Which of these is an example of application software?

  • Firmware
  • Antivirus Software (correct)
  • Motherboard
  • Windows OS

What differentiates hardware from software?

<p>Software cannot be touched or physically measured (D)</p> Signup and view all the answers

Which component is essential for running a computer's operating system?

<p>Random Access Memory (RAM) (C)</p> Signup and view all the answers

What type of mouse uses an LED light for tracking movement?

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

Which type of mouse is specifically noted for compliance with Part 15 of the FCC Rules?

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

What tracking technology does a laser mouse use?

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

How does an optical mouse differ from a laser mouse?

<p>Uses LED light instead of laser light (B)</p> Signup and view all the answers

Which mouse type is least likely to include a moving part?

<p>Laser Mouse (B), Optical Mouse (D)</p> Signup and view all the answers

What is the primary function of input devices?

<p>To input data and information into a computer. (B)</p> Signup and view all the answers

Which statement accurately describes input devices?

<p>They allow end-users to input data into a computer. (D)</p> Signup and view all the answers

What term refers to people who interact with input devices?

<p>Peopleware (B)</p> Signup and view all the answers

Which of the following is NOT an input device?

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

How do input devices facilitate communication between users and computers?

<p>By enabling the entry of data into the computer system. (A)</p> Signup and view all the answers

What does computer hardware refer to?

<p>Physical components of a computer (C)</p> Signup and view all the answers

Which of the following best describes computer hardware?

<p>Physical and tangible parts of a computer (A)</p> Signup and view all the answers

How is computer hardware distinct from software?

<p>Hardware refers to physical components (C)</p> Signup and view all the answers

Which of the following is NOT considered computer hardware?

<p>Operating system (D)</p> Signup and view all the answers

What role does hardware play in computing?

<p>Acts as a platform for running applications (B)</p> Signup and view all the answers

What is the primary function of a mouse?

<p>To control the movement of the cursor (D)</p> Signup and view all the answers

Which of the following best describes what a mouse does?

<p>Controls the movement of the cursor (D)</p> Signup and view all the answers

What component does a mouse primarily interact with on a computer?

<p>Display screen (D)</p> Signup and view all the answers

A mouse is classified as which type of device?

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

What does a user do with a mouse?

<p>Control cursor or pointer movement (D)</p> Signup and view all the answers

What type of mouse connects via a USB cable?

<p>USB Optical Mouse (C)</p> Signup and view all the answers

Which mouse type does not require a cable for operation?

<p>Wireless Mouse (D)</p> Signup and view all the answers

Which feature is commonly associated with the USB Optical Mouse?

<p>Uses a light sensor to detect movement (A)</p> Signup and view all the answers

What is a potential disadvantage of using a Wireless Mouse?

<p>Dependence on batteries (D)</p> Signup and view all the answers

Which of the following is NOT a type of computer mouse mentioned?

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

What color is the PS2 connector typically used for connecting a mouse?

<p>Green (B)</p> Signup and view all the answers

Which PS2 port is used for connecting a keyboard?

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

What type of device is a PS/2 keyboard classified as?

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

Which of the following statements is true about PS2 connectors?

<p>They are color-coded for different devices. (B)</p> Signup and view all the answers

What is the primary purpose of a PS/2 port?

<p>Connecting input devices (D)</p> Signup and view all the answers

What is a notable advantage of a trackball mouse?

<p>Requires no space for movement (B)</p> Signup and view all the answers

Which characteristic differentiates a laser mouse from an optical mouse?

<p>More accurate than optical mice (A)</p> Signup and view all the answers

What is a disadvantage of using an optical mouse?

<p>Requires some space to move (A)</p> Signup and view all the answers

Which statement is true regarding the ergonomic design of mice?

<p>Trackball mice have an ergonomic design. (B)</p> Signup and view all the answers

Which type of mouse is noted for being less accurate than laser mice?

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

What distinguishes a wireless keyboard from a USB keyboard?

<p>Wireless keyboards have a USB receiver dongle. (A)</p> Signup and view all the answers

Which feature is unique to the wireless keyboard?

<p>It includes a circular trackpoint. (A)</p> Signup and view all the answers

What characteristic does the USB keyboard have?

<p>It has a cord that connects directly to the computer. (D)</p> Signup and view all the answers

Which statement is true regarding the USB and wireless keyboards?

<p>Both types come in multiple color variations. (D)</p> Signup and view all the answers

How does the presence of a USB receiver affect the wireless keyboard's functionality?

<p>It enables wireless communication with the computer. (A)</p> Signup and view all the answers

What is the main purpose of a keyboard?

<p>To input text into a computer (A)</p> Signup and view all the answers

Which statement accurately describes a keyboard?

<p>It is an input device used for entering text. (C)</p> Signup and view all the answers

Which of the following functions can a keyboard perform?

<p>Inputting text and commands (C)</p> Signup and view all the answers

What type of device is a keyboard classified as?

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

Which component primarily interacts with a keyboard?

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

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Study Notes

Input Devices

  • Input devices enable users to enter data into a computer, facilitating interaction between people and systems.
  • A mouse is a primary input device that controls cursor movement on a display.

Types of Computer Mouse

  • Trackball Mouse:

    • Ergonomic design allows for comfortable usage.
    • No additional space required for movement, making it ideal for travel and laptop use.
    • Available in wired and wireless configurations.
    • Disadvantages: Less accurate than other types; not suitable for gaming applications.

  • Optical Mouse:

    • Utilizes LED light to track movement on various surfaces.
    • Suitable for standard PC tasks and available in both wired and wireless versions.
    • Disadvantages: Less accuracy compared to laser mice; requires space to operate; less ergonomic than trackball mice.

  • Laser Mouse:

    • Employs laser light for tracking, providing higher accuracy than optical mice.
    • Available in wired and wireless models.
    • Does not emit light, allowing for versatile use.
    • Disadvantages: Requires space for effective movement; less ergonomic than trackball designs.

Keyboard Types and Connectors

  • PS/2 Keyboard:

    • Features a black cable; connects through PS/2 ports which are color-coded (green for mouse, purple for keyboard).

  • USB Keyboard:

    • Wired option that connects via USB port, facilitating easy plug-and-play functionality.

  • Wireless Keyboard:

    • Connects via a USB receiver dongle; often includes features like a circular trackpoint for enhanced navigation.

Computer Hardware Overview

  • Refers to the physical components that comprise a computer system, including input devices like mice and keyboards.

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