tools of the trade linux and sql coursera weekly challenge 1 answers

Test your knowledge: The wonderful world of operating systems

1. What is an operating system?

  • The physical components of a computer
  • The interface between computer hardware and the user
  • A program for sending email
  • A computer, smartphone, or tablet

2. Which of the following are operating systems? Select all that apply.

  • Linux
  • Android
  • Windows
  • Smartphones

3. Which of the following statements correctly describe operating systems? Select all that apply.

  • Computers run efficiently because of operating systems.
  • Operating systems are the physical components of a computer.
  • Operating systems are able to run many applications at once.
  • Operating systems help people interact with computers in complex ways.

4. Computers communicate in a language called binary, which consists of 0s and 1s.

  • True
  • False

Test your knowledge: The operating system at work

5. What is the job of a computer's operating system?

  • Allow users to specify tasks
  • Help other computer programs run efficiently
  • Load the bootloader
  • Turn on the computer

6. Fill in the blank: In order to carry out tasks on a computer, users directly interact with _____.

  • the BIOS
  • task managers
  • the CPU
  • applications

7. The management of a computer’s resources and memory is handled by an application.

  • True
  • False

8. Which of the following processes are part of starting an operating system? Select all that apply.

  • The BIOS or UEFI microchip loads the bootloader.
  • The bootloader starts the operating system.
  • Either the BIOS or UEFI microchip is activated when a user turns on a computer.
  • The bootloader immediately launches when a user turns on a computer.

Shuffle Q/A 1

Test your knowledge: The user interface

9. What is a GUI?

  • A user interface that enables people to manage tasks on a computer using icons
  • A user interface that allows people to interact with a computer through commands
  • A user interface that runs only on Linux operating systems
  • A user interface that only runs on mobile devices

10. Which of the following can be components of a GUI? Select all that apply.

  • Desktop icons and shortcuts
  • Hardware
  • Task bar
  • Start menu

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