Which of the following software maintenance steps erases gaps caused by deleting files from the hard drive? update system software defragging virus scan installing firewall

When copying and pasting text, the first step is move your cursor type the text select the copy command select the paste command

Allison and her group have completed the data entry for their spreadsheet project. they are in the process of formatting the data to make it easier to read and understand. the title is located in cell a5. the group has decided to merge cells a3: a7 to attempt to center the title over the data. after the merge, allison points out that it is not centered and looks bad. where would the title appear if allison unmerged the cells in an attempt to fix the title problem?

What multimedia system creates an immersive, real-life experience that the user can interact with?