Keyboard shortcuts are key combinations that you can press on the keyboard that can work faster than any mouse, such as Ctrl+A means select all and Ctrl +C means copy and Ctrl+V means paste. and the good thing is that it doesn't take much effort either. The best part is that you don't even need to lift your finger from the keyboard, unless you're not in a big hurry to do it like writing a half-hour speech. The mouse has a lot of things that you can use because it has a lot of things that you can do that you can't do on the keyboard if you double click the right button you can select some text and using the mouse wheel scrolling which will show menus and change views, but if you just want a certain thing you can hold down the right button and scroll through the part you want, then let go and right click next to it, a menu should appear. and it has the ability to copy, cut or paste. Passwords can be short and easy or simple and you probably use the same password for many accounts on the computer that the average person wouldn't be able to guess. To protect this information from hackers, you'll probably need to create passwords that aren't even about you. Sometimes hackers use password cracking software that can test thousands of passwords until it finds the right one. They can also crack weak passwords and steal them. accounts or personal information. The most common password mistakes are people creating passwords based on a person, place, or even things like their spouse's names, a hobby, or a pattern that they may be easy to crack. remember, but which can make the task of hackers easier. to hack.Backing up files can help you avoid a lot of swearing and confusion instead of trying to figure out where that file went, have you ever misplaced a file? well, save... middle of paper ... faster. Some file formats are already compressed, you can compress these files, but the file size cannot be reduced. To create a zip file, you need to select all the files you want to add to the zip, then right-click on one of the files and a menu. will appear in the menu, click Send To and the compressed (zipped) folder, a zip file will appear and if you want you can rename the zip file in Windows once you have created a zip file you can then add to it other files by dragging them to the zip files icon. To create a zip file in Mac OS then click after that, a menu will appear. in the menu click on Compress 12 items the number depends on the number of files you choose a zip will appear the name will be Archive.zip then you can rename the zip.