Unit-III
Information and Communication Technology Skills-II
Chapter-10 Care and Maintenance of a Computer
I. Multiple choice questions. Tick the correct answer.
1. Which utility program helps you to remove unnecessary files from the hard disk?
a. Disk Cleanup b. Disk Defragmenter c. Antivirus d. Firewall
Answer: Disk Cleanup
2. The process of putting the fragmented pieces of files together is called:
a. Fragmentation b. Defragmentation c. Scanning d. Cleaning
Answer: Defragmentation
3. The files that you delete using the Disk Cleanup utility go to the:
a. D: drive b. C: drive c. Recycle bin d. Downloads
Answer: Recycle bin
4. Which of these is an antivirus go to the:
a. Inbox b. MS Power Point c. Photoshop d. Kaspersky
Answer: Kaspersky
5. In Gmail, the suspicious mails go to the:
a. Inbox b. Sent c. Spam d. Drafts
Answer: Spam
6. Which folder contains the temporary files in Windows 7?
a. Documents b. Temp c. Library d. Recycle bin
Answer: Temp
7. Which keys will you press to open the Run dialog box?
a. Ctrl+R b. Shift+R c. Windows+R d. Delete+R
Answer: Windows+R
II. Fill in the blanks:
1. A computer _______ is a malicious program that is designed to harm a computer system or the data stored on it.
Answer: Virus
2. The _____ utility helps us to remove unnecessary files from the computer's hard disk.
Answer: Disk Cleanup
3. Computer _____ is the practice of keeping computer in a good state so that it can keep working at its optimum capacity.
Answer: Maintenance
4. You should avoid eating or ____ while working on the computer.
Answer: Drinking
5. The unwanted and unnecessary emails sent in bulk to the users for malicious or advertisement purposes are called____ mails.
Answer: Spam
III. Short Answer Questions:
1. What do you mean by computer maintenance?
Answer: Computer maintenance is the practice of keeping the computer in a good state.
2. Write some ways to clean a computer keyboard.
Answer: Keep the following points in mind while cleaning a keyboard:
* Shut down the computer before you start cleaning a keyboard.
*Unplug cable from the CPU before cleaning the keyboard.
* Use a soft brush, compressed air blower or anti-static vacuum cleaner to blow out the dust from the keyboard.
3. Write some ways to clean a computer mouse.
Answer: Keep the following points in mind while cleaning a Mouse:
* Unplug the USB cable of the mouse before cleaning it.
* Use a soft cotton cloth to wipe down the surface of the mouse.
* Gently remove the dust particles from inside the scroll wheel by using a toothpick.
4. Write some ways to clean a computer monitor.
Answer: Keep the following points in mind while cleaning a monitor:
* Use a dry, soft, lint-free cloth, to clean the screen of your monitor.
* Never spray the cleaning liquid directly on the monitor screen.
* Never touch the monitor screen with your hands or fingers.
5. What is the use of the Disk Cleanup program?
Answer: The Disk Cleanup utility removes unnecessary files to free up space on the disk drive.
6. What do you mean by Defragmentation?
Answer: When you save and re-save a file to the hard disk, windows does not always put it at one location. It scatters or fragments the file in different areas of the hard disk. This is called disk fragmentation.
7. What is a computer virus?
Answer: A computer virus is a program that is designed to harm the computer system or destroy the data stored on it. Viruses disrupt the normal operation of a computer.
8. What are the symptoms of computer infected with a virus?
Answer: Following are some common symptoms that indicate that your computer might have viruses.
* Your computer runs slowly for no apparent reason.
* Programs take longer to load.
* Program files get bigger in size.
9. Give some examples of antivirus software.
Answer: Some examples of antivirus software are:
* Kaspersky Internet Security
* Norton
* AVG
* McAfee
10. How will you delete temporary files in Windows 7?
Answer: To delete temporary files follow the following steps:
* Double click on the Computer icon to open it.
* Right click on local Disk (C): and select properties option.
* Click on Disk cleanup button.
* Select the checkbox next to temporary internet files.
* Click on Delete files button.
11. What are spam mails?
Answer: The unwanted and unnecessary e-mails sent in bulk to a large number of people for the purpose of advertising, phishing etc. are called spam mails.
12. How will you delete spam mails in Gmail?
Answer: To delete spam mails follow the following steps:
* Open Gmail window.
* Click on Spam folder icon.
* Select the check boxes next to the mails and click on the delete forever button. All the selected mails will be deleted.
13. How will you create a filter against spam mails?
Answer: To create a filter against spam mails follow the following steps:
* Click on the drop-down arrow on the right edge of the search box.
* Enter your search criteria, e.g., virus, phishing, marketing etc.
* Click on the create filter button.
* In the next window select the delete it check box.
* Click on the create filter button again... a filter will be created as per your criteria.
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