FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -How many number keys are on a keyboard? If you only count the top row of number keys on a keyboard, numbers 1 through 0, there are ten number keys on the keyboard. If the keyboard also has a numeric keypad (1 through 0), there are twenty number keys on the keyboard.

Detailed explanation-2: -How many keys are on the numeric keypad? On most desktop computer keyboards; the numeric keypad has 18 keys on Apple keyboards and 17 keys on PC keyboards. A numeric keypad is available on some laptop keyboards, while it is not available on others.

Detailed explanation-3: -Alternatively called the 10-key, number pad, numeric keyboard, numerical keypad, numpad, or ten key, the numeric keypad is a 17-key keypad on the far right side of a PC keyboard. A numeric keypad may also be a separate device that connects to a computer.

Detailed explanation-4: -To use the numeric keypad to enter numbers, press Num Lock. Most keyboards have a light that indicates whether Num Lock is on or off. When Num Lock is off, the numeric keypad functions as a second set of navigation keys (these functions are printed on the keys next to the numerals or symbols).