Test: Keyboard & its Keys - 2 - Class 1 MCQ

Explanation:

The correct answer is D: The last seven letters of the alphabet keys forms the name of the inventor of the keyboard.

Reason:

• A: Alphabet keys are indeed used for typing letters and words. This is a correct statement.


• B: There are indeed 26 alphabet keys on the keyboard, consisting of the letters A to Z. This is a correct statement.


• C: The first six letters of the alphabet keys (QWERTY) form the name of a common keyboard layout. This is a correct statement.


• D: The last seven letters of the alphabet keys (ZXCVBNM) do not form the name of the inventor of the keyboard. This is an incorrect statement.

Therefore, option D is the incorrect statement about alphabet keys.

Answer:
The buttons present on a keyboard are called keys. Here is a detailed explanation:
Introduction:
A keyboard is an input device that is used to enter text, numbers, and other commands into a computer or other electronic devices. It is an essential component for interacting with a computer.
Functionality of a keyboard:
A keyboard consists of various buttons or keys, each with its own specific function. These keys are used to perform different actions, such as typing letters, numbers, symbols, and executing commands.
Types of keys:
There are several types of keys on a keyboard, including:
1. Alphanumeric keys: These keys are used to enter letters (A-Z) and numbers (0-9).
2. Modifier keys: Modifier keys include Shift, Control (Ctrl), Alt, and the Windows key (on a Windows computer). These keys are used in combination with other keys to perform specific functions, such as capitalizing letters or executing shortcuts.
3. Special keys: Special keys include the Spacebar, Enter/Return key, Backspace/Delete key, Tab key, Caps Lock key, Function keys (F1 to F12), and Arrow keys. These keys have specific functions and are used for navigation, editing, and executing commands.
Conclusion:
The buttons present on a keyboard are commonly referred to as keys. These keys have various functions and are essential for inputting data and executing commands on a computer or other electronic devices.

It is a number key, not an  alphabet key. Pressing it once will type a o (zero)

Enter key brings the cursor to next line.

  key is used in combination with number keys to type symbols printed on them. It is also used to type in capital letters, when caps lock is off and to type in lower case letters, when Caps lock is on.

As there are no and keys to form the word delete, so; option is the correct answer.

The longest key on a keyboard is the Spacebar.
Explanation:
The Spacebar is the largest and longest key on a keyboard, occupying a significant portion of the bottom row. It is used to create spaces between words and sentences when typing. Here is a detailed explanation of the other options:
A: Delete
- The Delete key is typically smaller and located in the upper right corner of the keyboard.
- It is used to erase characters to the right of the cursor or remove selected items.
B: Shift
- The Shift key is usually located on both sides of the keyboard, just above the Ctrl and Alt keys.
- It is used to type capital letters and access the secondary functions of certain keys.
C: Enter
- The Enter key is usually larger than most keys and located on the right side of the keyboard.
- It is used to create a new line or execute commands, depending on the context.
D: Spacebar
- The Spacebar is the longest key and occupies the bottom row of the keyboard.
- It is used to create spaces between words and sentences when typing.
In conclusion, the longest key on a keyboard is the Spacebar, which is used to create spaces when typing.

Explanation:
The correct answer is A: Toggle.
Here is a detailed explanation:
Definition:
- Caps lock is a key on a computer keyboard that allows the user to type in uppercase letters continuously without having to hold down the shift key.
- It is called the "Toggle" key because it toggles the input between lowercase and uppercase letters.
Functions of the Caps Lock key:
- The Caps Lock key is used to change the case of the letters while typing.
- When the Caps Lock key is turned on, all letters typed will be in uppercase.
- When the Caps Lock key is turned off, letters will be in lowercase unless the shift key is pressed.
Other options:
B: Return - The Return key is used to input a newline or execute a command.
C: Symbol - The Symbol key is used to access special characters or symbols on a keyboard.
D: Extra - There is no key called "Extra" on a standard keyboard.
In conclusion, the Caps Lock key is also known as the Toggle key because it toggles the input between uppercase and lowercase letters.

After pressing  key two times cursor is after the letter R. RIGHT
 cursor Pressing Backspace key deletes the letter R. Pressing  key types T at cursor position.