You are working in a computer laboratory and want to listen to your portable media player. you use the device provided with the media player to listen without distracting other students. what type of device do you use?

What is not a safety practice for working near power lines?

Write a program to convert a string (of up to 20 characters, including the terminating null character) to all uppercase characters.

Referring to the example of Kyle and mixed messages in the Work File Review - - Kyle may have been more successful if he:

What stdio. h input function would be used to get input from the user by the keyboard? Write the code to obtain the voltage drop across a resister from the user. Assume the input variable is called vr1. What stdio.

in python Write a loop that counts the number of lowercase characters that appear in the string referenced by mystring.

Take some time to do some research about small businesses in your area. Select one and using HTML design a simple site that educates people on what it has to offer. You will not be able to create a shopping cart or include detailed information.

Create a program that asks the user to enter grade scores. Use a loop to request each score and add it to a total. Continue accepting scores until the user enters a negative value. Finally, calculate and display the average for the entered scores.

Green computing involves reducing electricity consumed and environmental waste generated when using a computer. which of the following is a valid strategy for supporting green computing?

What is the difference between operating systems and application software?

Jenny's needs to buy a computer to create word documents, make presentations, listen to music, and watch movies and videos. Which operating system would be appropriate for Jenny's personal computer?