General Knowledge

Numeric Keypad:-  Numeric keypad is used when enormous numeric data is to be entered. This keypad is just like a simple calculator. It is normally located on the right-hand side of computer keyboard. It contains numbers 0 to 9, addition(+), subtraction(-), multiplication(*), and division(/) symbols, a decimal point(.) and Num Lock and enter keys. Numeric Keypad amay also eork on dual mode. On one mode, it represents numbers and on the other mode, it contains various keys like arrow keys, page up, page down etc. NumLock is provided to switch between the two modes. Usually, some of the keyboards of laptops do not have a numeric keypad. Home Keys:- Alphabets ASDF are home key foe the left hand and; LKJ for the right hand. The fingers are trained to make the correct movement to other keys and each finger returns immediately to its respective home key after it has depressed the corresponding key is any other row. Guide Keys:- On a computer keyboards, keys F and J are called guid...

Keyboard is the most common text-based input device. Computer keyboards ate similar to electronic typewriter keyboards with additional keys. A keyboard generally has more than 100 keys. It allows entering alphabets, digits and symbols into the computer. Types of keys:-  ✔Alphanumeric keys:- All of the alphabet (A-Z) and numbers (0-9) on the keyboard. ✔Punctuation keys:- All of the keys associated with punctuation, such as the comma(,), period(.),Semicolon(:), brackets() and parentheses and so on. Also, all of the mathematical operators such as the plus(+), minus(-), and equal(=). ✔Alt key:- Short for alternate, these key is like a second control key. ✔Arrow key:- There are four arrow keys to move the cursor up, down, left or right arrow keys can be used in conjunction with the ✔Shift or Alt keys:- To move the cursor in more than one position at a time. ✔Backspace key:- Deletes the characters just to the left of the cursor and moves the cursor to that position. ✔Capslock k...