CBSE SOLUTIONS-2025-26
CLASS-10
UNIT-III ICT SKILLS-II
CHAPTER-1 Know the Operating System
A. Fill in the blanks:
1. ____________ controls and co-ordinates the computer's hardware and software and it is the backbone of a computer.
Answer: System software
2. To copy selected file press__________________.
Answer: Ctrl+C
3. A _____________ contains files.
Answer: Folder
4. Click _______________ button to reduce the size application window.
Answer: Restore
5. _____________ command allows us to rename the name of the selected folder.
Answer: Rename
B. Answer the following questions(short answer)
1. Explain the need of an operating system.
Answer: Operating system is the first program loaded into memory when the computer is turned on and it brings life to the computer hardware. Without it, you cannot use your word processing software or any other applications.
2. Enumerate and explain the functions of operating system.
Answer: An operating system is core software that manages computer hardware and software resources. Its functions include managing processes, memory, files, devices, and providing a user interface, all while ensuring system security and performance.
Functions of operating system:
1. Process management
2. Memory management
3. File management
4. Device management
5. User interface
6. Security
7. System performance
3. List the advantages of real time operating system.
Answer: Real-time operating system offer several advantages like:
1. Predictable and deterministic behavior
2. Improved resource management
3. Enhanced safety and security
4. Priority based scheduling
5. Abstracting timing information
6. Modularity and maintainability
7. Easier testing
8. Faster time to time market
C. Answer the following questions(long answer)
1. Distinguish between copying and moving a file.
Answer:
Copying:
* Create a new, identical copy of the file at the new location
* The original file stays in it original location
* Changes made to the copy do not affect the original, and vice versa.
Moving:
* Transfer the original file to a new location
* The file is removed from its original location after the move
* There is only one instance of the file, now located in the new location
2. What is the use of start menu in MS Windows?
Answer: The Windows start menu is a core part of the user interface that provides quick access to applications, settings, files and other system functions. It's a central hub for users to interact with their operating system and manage various aspects of thier computer.
Start menu uses:
* Launch applications- The start menu allows users to easily access and launch programs.
* Access settings- It provides access to system settings.
* Search for files and applications-The start menu includes a search function that helps users find specific files.
* Manage pinned apps- Users can customize the start menu by pinning their frequently used applications.
* Access online resources-Some versions of the start menu also provide shortcuts to online resources.
* Power management- The start menu often includes options for shutting down, restarting, sleeping.
* Control panel-The start menu provides a direct link to the control panel.
3. How a deleted file can be retrieved from the Recycle bin?
Answer: Deleted files in the recycle bin can be retrieved by opening the recycle bin, locating the desired file, right clicking and selecting restore.
How to retrieve files from the recycle bin:
1. Open the recycle bin: Locate the recycle bin icon on your desktop and double click it ot open the window.
2. Locate the deleted file: Scan the recycle bin for the file you want to retrieve.
3. Restore the file: Right click on the file and select restore. This will return the file to its original location.
SOME OTHER LINKS:
No comments:
Post a Comment