What is scroll button?

Scroll is the scroll lock key and is a function key on the computer keyboard. The scroll key is commonly used in word and Excel. When Scroll Lock is turned off and the page turning key is used, the selected area of ​​cells will move; but when the Scroll Lock key is pressed, the selected area will not move. of cells.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

Scroll is the scroll lock key, which is a function key on the computer keyboard. After pressing this key, when you press the up and down keys to scroll in Excel, etc., the cursor will be locked and the page will scroll; if you release this key, then Pressing the up and down keys will scroll the cursor and lock the page.

first appeared on the 83 keyboard of IBM PC/XT models and the 84 keyboard of the AT interface. Now it not only appears on the 101 keyboard of PCs, but also on the "enhanced" keyboard of Apple computers. This button has also been added. This key was very useful in the DOS era and could help people scroll through pages easily.

The only places where the Scroll Lock key can be used are in word and Excel. In EXCEL, when Scroll Lock is turned off, when you use the page key, the selected area of ​​cells will move accordingly. But when the Scroll Lock key is pressed, the selected cells will not move.

Extended information

The Scroll Lock key was of great use in the DOS era. Due to the technological limitations of that era, the computer display screen could only display text that was 80 characters wide and 25 lines long. In this way, when we are reading a document, we can use the Scroll Lock key to scroll through the pages very conveniently.

After entering the Windows era, with the development of technology, the role of the Scroll Lock key has become smaller and smaller. Now the places where we can use the Scroll Lock key are probably in word and Excel. In EXCEL, when Scroll Lock is turned off, when you use the page key, the selected area of ​​cells will move accordingly.

But when we press the Scroll Lock key, the selected cells will not move. In word/excel, press the up and down keys to scroll, lock the cursor and scroll the page at the same time! If this key is not pressed, pressing the up and down keys will only move the cursor but not scroll the page.

For more related knowledge, please visit the FAQ column!

The above is the detailed content of What is scroll button?. For more information, please follow other related articles on the PHP Chinese website!