CBSE SOLUTIONS-2025-26
CLASS-10
UNIT-III ICT SKILLS-II
CHAPTER-2 Basic Computer Maintenance
A. Fill in the blanks:
1. .............................. maintenance is defined as the proactive maintenance before a fault or failure occures.
Answer: Preventive
2. .............................. measures involve reformatting, removing viruses and malware, uninstalling harmful programs and so on.
Answer: Corrective
3. Using........................ dust the internal components of your computer with short bursts of air.
Answer: Compressed air
4. .............................. can be used to clean the drive,mouse or keyboard. Do not use to clean RAM or motherboard.
Answer: Cotton cloth
5. Portable............................. is used for sucking dust particles, hair etc.
Answer: Vacuum
B. Write T for true and F for false:
1. Computers play a vital role in our lives, which is why it is critical that you take care of them.
Answer: T
2. You should not update anit-virus regularly.
Answer: F
3. Cleaning brush with soft bristles is good for cleaning dust and debris from a keyboard.
Answer: T
4. Dust does not clog fans and cause a computer to overheat.
Answer: F
5. To ensure that you do not lose important data in the case that something does happen to harm your computer, it's important to perform regular backups of personal files.
Answer: T
C. Answer the following questions. Short answer
1. What is the need of the maintenance of computer system?
Answer: Computer play a vital role in our lives, which is why it is critical that you take care of them. Computer maintenance very importnt for keeping your computer running smoothly. A computer which is left untreated, can accumulate dust and debris, which may result on slow performance.
2. Why you should update the software regularly?
Answer: Installing update on a regular basis ensures that your system software is current and running at its optimal level and also enhances system usability.
D. Answer the following questions. Long answer
1. List the guidelines for cleaning a computer.
Answer: To help keep your desktops running cool, clean the inside of your computer every 6 to 12 months, follow the steps:
1. Turn off your computer and unplug it from the electrical outlet.
2. Open up your computer's case.
3. Using compressed air, dust the internal components of your computer with short bursts of air.
4. Remove the dust build up on your case fans with a compressed air.
5. Remove the dust build up from the power supply using a compressed air.
2. How will you protect your computer against virus and malware?
Answer: General guidelines to protect computer against virus and maleware:
1. Software update regularly: Update software regularly to ensure your system software is current and running at its optimal level and also enhance system usability.
2. Run virus and malware scans regularly: Be sure you have an Anti-virus program installed and keep it updated. Install and regularly run spyware detection software in addition to your Anti-Virus program.
3. Perform regular backups of personal files: To ensure that youdo not loase important data in the case that something does happen to harm your computer, it's important to perform regular backups of personal files.
3. How will you clean a keyboard and mouse?
Answer: To clean your keyboard and mouse, begin by un-plugging them and removing any loose debris with compressed air or a brush.
Steps to clean keyboard:
1. Unplug and remove debris: Before cleaning, unplug the keyboard and shake it upside down to dislodge any loose dust.
2. Compressed air: Use compressed air to clean between the keys.
3. Wipe down: Use a lightly damp cloth to wipe down the surface.
4. Spot clean: Use a cotton swab dipped in isopropyl alcohol to spot clean.
5. Keycaps: If you have removable keycaps, you can wash them with warm, soapy water.
Steps to clean mouse:
1. Unplug and remove debris: Unplug the mouse and use compressed air.
2. Wipe down: Use a lightly damp cloth to wipe.
3. Clean the feet: If gunk builds up on the mouse feet, wipe it off with a microfiber cloth.
4. Clean the sensor: Use a cotton swab dipped in isopropyl alcohol to clean the mouse sensor.
SOME OTHER LINKS:
No comments:
Post a Comment