When the images or text are too large to be viewed on your screen The 'face' of a computer monitor. CRT monitor screens are measured from corner to corner, which normally results in over stating the screen size, because part of the screen is covered by the monitor case. LCD monitor measurements are more accurate, because they have no 'curve' to hide a portion of the screen. , the program Also called an 'application'. A 'program' creates, displays, or calculates the input of the program user. Each program is displayed in its own 'window', a separately bordered area of the computer screen. Programs generally fall into two groups, an 'application program', or a 'system program'. will automatically create a 'scroll The action of moving a 'page' of data up or down on the monitor, using the mouse or keyboard. When the images or text are too large to be viewed on your screen, the program will automatically create a 'scroll bar', normally found at the right side. To 'scroll' the page, left-click-and-hold the bar while moving it to a new location. bar' for your use. If a scroll bar is present, you are not seeing all of the data, and must scroll to view it all. The scroll bar 'elevator', is the darker rectangle on the top of the right edge of the screen when up and down scrolling is necessary, or at the bottom of the screen when right-to-left scrolling is necessary.
We have deliberately made this page longer than most, so a 'scroll bar' will be visible at the right edge of this page.
TRY IT! Place your pointer arrow (cursor) over the 'elevator' (darker-colored portion).
Now, PRESS AND HOLD the LEFT MOUSE A device used as an interface between user and computer. The 'corded' mouse moves the computer pointer by sensing the movement of a small ball built into the bottom of the mouse. There are also cordless mouses, which may use infrared, radio signals, or pressure to control the movement of a pointing device or 'cursor'. BUTTON, WHILE MOVING YOUR HAND UP OR DOWN.
Notice that the mouse pointer and the page move with your hand. The part of the page that was not visible, should be now. This is called 'scrolling'. To Stop Scrolling, just Release the mouse button.
You may also scroll using the keyboard The primary device for inputting data into the computer CPU. When depressed, each key on a keyboard activates a series of 'on' and 'off' switches, the sequence of which in turn represents the letter or character of the depressed keyboard key. . If you see the scroll bar, press the Up, Down, Right or Left ARROW KEYS to scroll vertically or horizontally as needed. You may also use the 'PGUP' and 'PGDN' keys to scroll a full page at a time.
On some mouses there is a small wheel built into the top portion of the mouse, between the left and right mouse buttons. This is called a 'scroll wheel'. The function of the scroll wheel, like the other components of a mouse, can be configured by you. The default The value given to an item unless and until another choice is made by the user. Example: Margins for your documents are set to 'default' spacing. You may change them to new values, but until you do, the factory settings are the default values. function of the scroll wheel is to move the page on which you are focused up or down, depending upon the direction you 'roll' the wheel.
Excellent job!
