FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

WHAT IS A COMPUTER KEYBOARD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Numbers from ____ are written on the Number keys.
A
1 to 10
B
0 to 10
C
1 to 9
D
0 to 9
Explanation: 

Detailed explanation-1: -A numeric keypad refers to a section of a computer keyboard with numbered keys from 0 to 9 (called numeric keys) like a calculator. It enables you to enter numbers quickly. Q.

Detailed explanation-2: -Typewriter keyboards which used a shift key for uppercase did generally include a “0". However, since typing an uppercase “O” as an alternative would require using the shift key, putting the zero to the right of the nine meant that it could be in the same place on keyboards which include a “1” as on keys which do not.

Detailed explanation-3: -Number Representation We use the digits from 0 to 9 to form all other numbers. With the help of these digits, we can create infinite numbers. For example, 121; 34, 987; 2, 987, 633; 459, 227, 904; … This number system using 10 digits is called the Decimal Number System. Alphabetical Form of Number.

Detailed explanation-4: -What symbol is on the 9 key? On U.S. keyboards, the 9 key is on the same key as the open parenthesis.

Detailed explanation-5: -A string of characters containing both letters (A-Z) and numbers (0-9). An alphanumeric text entry field will accept both letters and numbers. An alphanumeric keypad is one with both letters and numbers on the keys.

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