CLASS - IV computer

EDUCATIONAL Vedio

BINARY CODES

Some important questions


1. What are binary digits?

Answer:

 2. What are the different types of computer memory?

Answer:

3. What is cache memory?

Answer:

4. Who invented magnetic drum?

Answer:

5. Who invented cloud storage? 

Answer:




Short question: -
1. Write the short cut key to open the Start Menu?
Ans: - CTRL + ESC
2. What is a taskbar?
Ans: - The long bar present at the bottom of the desktop
3. Write the full form of GUI and CUI?
Ans: Graphical User Interface and Character User Interface
4. Name the feature which was first introduced in Windows 7?
Ans: - Jump list
5. Which operating system is known as CLI?
Ans: - CUI
6. Where is show desktop button located?
Ans: - Extreme right of the notification area.
7. What are icons name some common desktop icons?
Ans: - An icon is a small picture on a desktop that represents a file, folder or software.
Some common desktop icons are Computer and Recycle Bin.
Long type question: -

1. Write the steps to set the speaker volume of your computer?
Steps to set the speaker volume of the computer are: -
Step 1: Click the speaker icon in the notification area.
Step 2: Click and hold the mouse on the slider.
Step 3: Move the slider upward to increase volume.
Step 4: Move the slider downward to decrease volume.
Step 5: Click on the speaker icon to mute and unmute the sound.


2. What is a shortcut menu? Explain its function.
Answer:
A shortcut menu or a context menu is a list of options that appears upon users interaction such as right-
click on the desktop or file or on a folder.
Function of Shortcut menu: -
The shortcut menu provides quick access to some frequently used options such as Cut, Copy, Paste, Open
etc.