A _____ boot is when DOS is restarted without turning off the computer. A. warm B. reboot C. shutdown D. system up E. None of the above

warm
reboot
shutdown
system up E. None of the above

The correct answer is: A. warm

A warm boot is a restart of a computer that is already powered on. It is also known as a soft reboot or a restart. To perform a warm boot, press the Ctrl+Alt+Del keys simultaneously.

A cold boot is a restart of a computer that is powered off. It is also known as a hard reboot or a power cycle. To perform a cold boot, press and hold the power button for 5 seconds.

A shutdown is the process of powering off a computer. To perform a shutdown, click the Start button, click the power icon, and then click Shut down.

A system up is the process of starting up a computer. To perform a system up, press the power button.

None of the above is a correct answer.