Control keys
Not to be confused with the "CTRL keys", control keys are a section of keys on your keyboard that enable additional control over a document and the computer. Print Screen, Scroll Lock, Pause, Break, Insert,Home, Page Up, Delete, End, and Page down are all examples of control keys. In the below picture, is an example image of the SaitekGamers' keyboard to help illustrate where the control keys are commonly located on the keyboard.

Finally, today most users use the QWERTY style keyboards. Below is a graphic illustration of where each of the keys are on a U.S. QWERTY style keyboard.

Short for control, Ctrl is a key found on IBM compatible computer keyboards in the bottom left and right portion of the main keyboard. In the picture to the right, is an example of what the Ctrl key may look like on your keyboard. This term is commonly used to refer to a keyboard shortcut key such as the three finger salute or CTRL + ALT + DEL. This combination indicates pressing and holding on the keyboard CTRL and ALT and DEL to reboot the computer or open the task manager window.
Many times documentation or information from Computer Hope and other computer related documentation may list commands such as ^X, ^C, ^Z, etc. this means CTRL-X, CTRL-C, CTRL-Z, etc. In other words, a user would want to press and hold the CONTROL or CTRL key and then press the letter following the caret.

A key found on a computer keyboard often located close to the keyboard pause key. The scroll lock key is intended to temporarily stop the scrolling of text or halt the operation of a program. There are not manysoftware programs today that take advantage or have a use for this key. In the picture to the right, is an example of the keyboard LED's that indicate if scroll lock is enabled or disabled. In this example picture only the num lock is currently enabled, indicated by the blue LED.
Microsoft Excel is a good example of a software program that uses this key. If scroll lock is enabled on the keyboard when you press any of the arrow keys the screen will move in that direction but the selectedcell will not change.
Keyboard key commonly found near the top right of a computer keyboard. This key allows a user to temporarily halt the action of the program being run. For example, in computer games, the pause key is commonly used to temporarily stop the game while the user steps away from his or her computer and is shared with the break key. In the picture to the right, is an example of the pause break key on a PC computer. This key is not found on the Apple computer keyboards.
Key on the keyboard usually above the end key on the IBM compatible keyboard. This key is often used to return the user to the beginning of the line or the beginning of a document.
An example of how the Home key could be used is to move the cursor to the middle of a line of text and press the Home key, which moves the cursor to the beginning of the line. Using a key combination such as pressing theShift key and the Home key together would highlight the text from the cursor position to the beginning of the line.
A key found on keyboards usually below the home key that moves the cursor to the end of the line, paragraph, page, screen, cell, or document depending on the program and where your cursor is currently positioned.
An example of how the End key could be used is to move the cursor to the middle of a line of text and press the End key, which would move to the end of the line of text. Using a key combination such as pressing the Shift key and the End key together would highlight the text from the cursor to the end of the line.
Not to be confused with the "CTRL keys", control keys are a section of keys on your keyboard that enable additional control over a document and the computer. Print Screen, Scroll Lock, Pause, Break, Insert,Home, Page Up, Delete, End, and Page down are all examples of control keys. In the below picture, is an example image of the SaitekGamers' keyboard to help illustrate where the control keys are commonly located on the keyboard.
Keyboard
One of the main input devices used on a computer, a PC's keyboardlooks very similar to the keyboards of electric typewriters, with some additional keys. Below is a graphic of the Saitek Gamers' keyboard with indicators pointing to each of the major portions of the keyboard.Ctrl
Many times documentation or information from Computer Hope and other computer related documentation may list commands such as ^X, ^C, ^Z, etc. this means CTRL-X, CTRL-C, CTRL-Z, etc. In other words, a user would want to press and hold the CONTROL or CTRL key and then press the letter following the caret.
Print screen key
Sometimes abbreviated as PRTSC or Prt Scrn, the print screen key is a keyboard key found on most computer keyboards. When pressed, the key either sends the current screen image to the computer clipboard or the computer printer depending on the operating system or softwareprogram the key is pressed in.Scroll lock key
Microsoft Excel is a good example of a software program that uses this key. If scroll lock is enabled on the keyboard when you press any of the arrow keys the screen will move in that direction but the selectedcell will not change.
Pause key
Break
A computer keyboard key usually located on the same key as the pause key that enables a user to break the computer from a pause or other halt state. To use the break either press the break key alone or press CTRL at the same time as the break key. For example, press the pause key to stop the computer as it boots, pressing it again, to break out of that pause. In the picture to the right, is an example of the pause break key on a PC computer. This key is not found on the Apple computer keyboards.
- A command line command on Microsoft operating systems that enable or disables the ability to send breaks. See the break command page for further information on this command.
- Break is also a Linux command. See the Linux break command page for more information on this command.
Insert key
Sometimes displayed as INS on the keyboard, the Insert key is a keyboard key located on the majority of all computers that allows text to be inserted. When insert is enabled, the text inserted in a document will not overwrite any other text. However, when disabled, text will be overwritten.Home key
An example of how the Home key could be used is to move the cursor to the middle of a line of text and press the Home key, which moves the cursor to the beginning of the line. Using a key combination such as pressing theShift key and the Home key together would highlight the text from the cursor position to the beginning of the line.
PGUP key
Short for Page Up key, the PGUP, PU, PgUp, or Pg Up key is a computer keyboard key usually located between the keyboard and the numeric pad or on the numeric pad number 9 on most QWERTY U.S. keyboards. When this key is pressed, if the page currently being viewed has more than one page, the page view will be moved up one page.Delete
1. In general delete or remove refers to removing a file, text, or other object from the computer. Files that are deleted in Microsoft Windows 95 are sent to the recycling bin, other operating systems have a similar location called the trash.End key
An example of how the End key could be used is to move the cursor to the middle of a line of text and press the End key, which would move to the end of the line of text. Using a key combination such as pressing the Shift key and the End key together would highlight the text from the cursor to the end of the line.
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