Answer the following questions:
1. What are different functions of operating system?
2. What are different types of operating systems?
3. Mention any one way in which you can create a new folder.
4. How can you delete a folder?
5. What is the difference between moving and copying a folder?
6. How can you empty the recycle Bin?
7. What is the possible cause of slowing down of computer?
8. Why keyboard should be covered if not in use?
9. List some of the maintenance activities for computer system.
10. Why regular disk defragmentation should be done?
11. Discuss various signs that indicate that computer is infected with virus. OR What are the common signs of a virus attack?
12. Mention few ways in which a computer gets infected with virus.
Can computer virus infect hardware?
13. How can you prevent your computer from virus infection?
14. What is the use of antivirus software? Name any two commonly used anti-virus software.
15. How are temporary files created in computer?
16. Why we should remove temporary files from the computer?
17. What are cookies?
18. What is firewall in computing?
19. Fill in the blanks:
a) What is the name given to screen that appears after Windows operating system is loaded? ________
b) Small images on the desktop are called _____________________
c) Name two special icons on the Desktop. _____________________, ______________________
d) Name the icon that provides access to all drives, files and folders on a computer._________
e) Name the button to the left of taskbar. ______________________________
f) Picture for the desktop background is called _____________.
g) Similar types of files can be placed into group called ___________.
h) To change the name of the folder, right-click and select __________ option from the Shortcut menu.
i) Name the set of commands to move a folder from one location to another.
j) Name the place where deleted files are placed.
Answers
Answer:
1. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
3. a) Navigate to the location where you want to create the folder. You can create a new folder at any location on your hard drive or within another folder (creating a subfolder) in File Explorer. You can also create a new folder on your desktop with this method.
b) Hold down the Ctrl, Shift, and N keys at the same time. Windows will immediately create the new folder with the not-very-imaginative suggested folder name of "New folder."
4. Right-click the folder you want to delete and click Delete Folder.
5. When “moving” a worksheet from a folder, you will not keep the copy in the original folder. “Copying” allows you to have a copy of the worksheet in both folders.
6. Find the Recycle Bin icon on the desktop. Right click (or press and hold) and select Empty Recycle Bin.
7. software and hard drive corruption are two reasons why your computer may slow down over time. ... Two other huge culprits are not having enough RAM (memory to run programs) and simply running out of hard disk space. Not having enough RAM causes your hard drive to try to compensate for a lack of memory.
8. A keyboard protector or keyboard cover is a device which is placed on top of a computer keyboard in order to reduce its contact with the environment, for example, to prevent dust entry, and to keep the keyboard in a pristine state and reduce or eliminate the need for cleaning the keyboard.
Explanation: