File Extensions related 15 Theory (MCQ) question and answer

 15 Theory (MCQ) question and answer :-

1. What is a file extension?

A) The name of a file

B) The size of a file

C) The type of a file

D) The location of a file

 

Answer: C) The type of a file

 

2. What is the file extension for a Microsoft Word document?

A) .docx

B) .pdf

C) .jpg

D) .mp3

 

Answer: A) .docx

 

3. What is the file extension for a PDF file?

A) .docx

B) .pdf

C) .jpg

D) .mp3

 

Answer: B) .pdf

 

4. What is the file extension for an executable file in Windows?

A) .docx

B) .pdf

C) .jpg

D) .exe

 

Answer: D) .exe

 

5. Can file extensions be changed?

A) Yes

B) No

 

Answer: A) Yes

 

6. Why are file extensions important?

A) They allow the operating system to know how to handle a file.

B) They make files easier to share.

C) They make files smaller in size.

D) They improve file security.

 

Answer: A) They allow the operating system to know how to handle a file.

 

7. What is the file extension for an image file?

A) .docx

B) .pdf

C) .jpg

D) .mp3

 

Answer: C) .jpg

 

8. What is the file extension for a music file?

A) .docx

B) .pdf

C) .jpg

D) .mp3

 

Answer: D) .mp3

 

9. What is the file extension for a video file?

A) .docx

B) .pdf

C) .jpg

D) .mp4

 

Answer: D) .mp4

 

10.            What is the file extension for a PowerPoint presentation?

A) .docx

B) .pdf

C) .pptx

D) .mp3

 

Answer: C) .pptx

 

11.            What is the file extension for a compressed file?

A) .zip

B) .rar

C) .7z

D) All of the above

 

Answer: D) All of the above

 

12.            What is the file extension for a spreadsheet?

A) .docx

B) .pdf

C) .xlsx

D) .mp

Answer: C) .xlsx

 

13.            What is the file extension for a plain text file?

A) .txt

B) .docx

C) .pdf

D) .mp3

 

Answer: A) .txt

 

14.            What is the file extension for a webpage?

A) .html

B) .docx

C) .pdf

D) .mp3

 

Answer: A) .html

 

15.            What is the file extension for a database file?

A) .db

B) .docx

C) .pdf

D) .mp3

 

Answer: A) .db

What is Joystick Device?

 

Joystick Device Information

A joystick is a type of input device that is used to operate video games, computers, and other electronic devices. It is made up of a lever or joystick that can be manipulated in various orientations to provide input to a computer or gaming console. To allow for additional input, joysticks usually have one or more buttons on the top or side of the device.

Joysticks can be used to control movement in video games, navigate computer interfaces, and operate robotic devices, among other things. They are also frequently used to provide a realistic control experience in flight simulators and other types of simulators.

A USB cable, wireless connection, or Bluetooth can be used to attach a modern joystick to a computer or gaming device. Additional inputs, such as triggers, throttle controls, or programmable buttons, are available on some joysticks, providing for even more precise control.

Toggle key information about Computer Keyboard

 Keyboard Toggle Keys 

    

A keyboard is a device that is used to input information into a computer or other electronic device. It contains a set of keys, each of which represents a specific letter, number, symbol, or function. Some toggle key information about the keyboard includes:

1.   Caps Lock key :- When pressed, this key toggles the capitalization of all letters typed. When the Caps Lock key is on, all letters are typed in uppercase.

2.   Num Lock key :- This key toggles the function of the numeric keypad on the right side of the keyboard. When the Num Lock key is on, the numeric keypad can be used to input numbers, while when it is off, the keys on the numeric keypad have other functions.

3.   Scroll Lock key :- This key toggles the scrolling function of the arrow keys on the keyboard. When the Scroll Lock key is on, the arrow keys can be used to scroll through documents or spreadsheets.

4.   Function keys :- These are a row of keys at the top of the keyboard that can be used to perform various functions, such as adjusting the volume, changing the screen brightness, or opening specific programs.

5.   Modifier keys :- These keys include Shift, Ctrl, Alt, and Command (on Mac keyboards). They modify the function of other keys when pressed in combination with them, allowing for a wider range of input options.

6.   Multimedia keys :- These are special keys that are designed to control multimedia functions, such as playing, pausing, or skipping tracks, adjusting the volume, or launching media player software.

7.   Shortcut keys :- These are combinations of keys that can be used to perform specific actions, such as copying and pasting, saving a document, or closing a window. They can save time and increase efficiency when working with a computer.