Page 86 - AI Ver 1.0 Class 10
P. 86
15. What should a strong password consist of?
a. Only letters b. Numbers and special characters
c. Name of a person d. Letters, numbers and special characters
16. Which option is not required to keep a device cool? [NCERT]
a. Keep the device unplugged when in use.
b. Do not cover a laptop with a blanket.
c. Make sure the computer's CPU fan is working.
d. Avoid leaving the device in the sun.
17. Which of the following is essential for maintaining a keyboard? [NCERT]
a. Turn the keyboard upside down and shake it to remove foreign material.
b. Blow dust and other particles with the help of a blower.
c. Use a very dilute combination of soap and water applied with a non-abrasive cloth to remove stains from the
keycaps.
d. All of the above.
18. How can a computer virus enter a computer?
a. Online games b. Creating new file in Word
c. Designing a presentation d. Writing a program
19. Which of the following is part of computer maintenance?
a. Hardware Maintenance b. Software Maintenance
c. System Backup and Security d. All of the above
20. Which of the following cannot be used to clean the keyboard?
a. Cotton swab b. Cleaning alcohol
c. Wire brush d. Compressed air without plug
21. Which of the following functions is not performed using a mouse? [NCERT]
a. Turn on b. Hover
c. Right click d. Drag and Drop
22. What is the term used when you press and hold the left mouse key and move the mouse around? [NCERT]
a. Highlighting b. Dragging
c. Selecting d. Moving
B. Fill in the blanks.
1. A ……….……................ is a combination of hardware and software components.
2. ……….……................ does housekeeping functions.
3. Login and password facility prevents ……….……................ access to programs.
4. ……….……................ is one of the oldest, text based, single user operating systems.
5. ……….……................ allows multiple users to use the same computer at the same time.
6. A ……….……................ virus is a type of computer virus that is primarily designed to infect a specific type of documents
such as Word or Excel files.
7. Install ……….……................ to keep your system safe from malicious code.
84 Touchpad Artificial Intelligence-X

