For example, with four binary digits, you can represent 2 = 16 different numbers. Since hexadecimal is a base sixteen system, a one digit number can be used to represent 161 = 16 different numbers. This makes conversion between the two systems extremely easy.
Internet Explorer Tab Shortcuts. If you use IE, then youâre using Windows, which means youâre probably familiar with the ALT + TAB shortcut key for switching between open applications. If so, then all you have to do to switch between tabs in IE is to press CTRL + TAB.nfortunately, you canât go past 8, so if you have more than eight tabs, youâll have to use a different keyboard shortcut or just click on it. CTRL + 9 will take you to the last tab, even if there are more than 8! There is one last keyboard shortcut, which could be useful for some people: CTRL + K.
Since I usually want to switch back and forth among the open windows, I need something easier than hunting down each window so I can click on it. Windows 7 with Aero themes does provide thumbnails on the taskbar for easy clicking but often I want a keyboard shortcut. Here are three that work in a variety of systems. Alt + Tab â (Task switcher) This old standby dating back to Windows 3.1 works in all current Windows versions from XP on up.