What is the use of f1 to f12?

Windows Hotkey Shortcuts That Use the Function Keys F1- F12
KeyFunction
F9Updates fields (MS Office)
F10Activates menu bar options
F11Toggles between full screen and normal display in browsers
F12Opens "Save as" dialog (MS Office)
A.

What does the keyboard do?

In computing, a computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input method for computers.
  • What are the functions of computer keys?

    The function keys or F-keys on a computer keyboard, labeled F1 through F12, are keys that have a special function defined by the operating system, or by a currently running program. They may be combined with the Alt or Ctrl keys.
  • How many number keys are there on a keyboard?

    A numeric keypad, number pad, numpad, or ten key, is the palm-sized, 17-key section of a standard computer keyboard, usually on the far right. It provides calculator-style efficiency for entering numbers.
  • What is the function of a computer monitor?

    A computer monitor is an output device which displays information in pictorial form. A monitor usually comprises the display device, circuitry, casing, and power supply. Older monitors used a cathode ray tube (CRT).
B.

Why do we use a keyboard?

Some people wound up typing so fast that the mechanical rods attached to the keys would stick to each other. To resolve this, the QWERTY keyboard was developed. It placed keys in such a manner that the most used letters were spaced out so that the rods were less likely to clash into each other when typing.
  • What does the Ctrl key do on a keyboard?

    In computing, a Control key is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl + C ); similar to the Shift key, the Control key rarely performs any function when pressed by itself.
  • What is the character on a keyboard?

    Character keys. The core section of a keyboard consists of character keys, which can be used to type letters and other characters. Typically, there are three rows of keys for typing letters and punctuation, an upper row for typing digits and special symbols, and the Space bar on the bottom row.
  • How can I use computer without keyboard?

    You can have On-Screen Keyboard make an audible click when a key is pressed.
    1. Open On-Screen Keyboard by clicking the Start button. , clicking All Programs, clicking Accessories, clicking Ease of Access, and then clicking On-Screen Keyboard.
    2. Click Options, select the Use click sound check box, and then click OK.
C.

How do you use a keyboard?

You can use a numeric key pad to enter numbers with On-Screen Keyboard.
  1. Open On-Screen Keyboard by clicking the Start button. , clicking All Programs, clicking Accessories, clicking Ease of Access, and then clicking On-Screen Keyboard.
  2. Click Options, select the Turn on numeric key pad check box, and then click OK.
  • What are the uses of the computer keyboard?

    A computer keyboard is an input device used to enter characters and functions into the computer system by pressing buttons, or keys. It is the primary device used to enter text. A keyboard typically contains keys for individual letters, numbers and special characters, as well as keys for specific functions.
  • How can I type faster without looking at the keyboard?

    Typing speed
    1. Do not rush when you just started learning. Speed up only when your fingers hit the right keys out of habit.
    2. Take your time when typing to avoid mistakes. The speed will pick up as you progress.
    3. Always scan the text a word or two in advance.
    4. Pass all typing lessons at Ratatype.
  • How many number keys are there on a keyboard?

    A numeric keypad, number pad, numpad, or ten key, is the palm-sized, 17-key section of a standard computer keyboard, usually on the far right. It provides calculator-style efficiency for entering numbers.

Updated: 5th October 2018

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