Class 10 · Chapter 2
78 questions with model answers.
Answer
After troubleshooting fixes a common computer problem, the next step is to learn what actions to take once the issue is resolved. This process is called post-troubleshooting maintenance. It includes additional steps that help the computer continue to work properly and avoid the same problems in the future.
Answer
Solving a computer problem is only the first step. The system still needs regular care to continue working properly. Without maintenance, the same issue can happen again, or new problems may appear. Regular maintenance keeps the system stable and prevents future problems. It ensures better performance, longer life, and fewer disruptions in computer usage.
Answer
If the computer becomes slow due to full storage, deleting a few files may improve its speed for a short time. However, if unnecessary files are not removed regularly or the system is not updated, the same issue may occur again.
Answer
Answer
Slow Performance: Temporary files, unused programs, and background processes can build up over time. If these are not managed, the computer may become slow and unresponsive. System Failures: If important system updates are not installed, the computer may stop working properly. It can freeze, crash, or fail to start.
Answer
Security Risks: When the system or apps are not updated, harmful software like viruses can enter the computer more easily. Data Loss: Without backups, important files can be lost during crashes or hardware failure. Hardware Damage: Dust and overheating can damage the hardware components if the system is not cleaned or properly ventilated.
Answer
For the smooth running of a system, it is important to check its performance regularly. This process is known as system health monitoring. Modern operating systems, such as Microsoft Windows, include built-in tools that help monitor system activity.
Answer
These tools allow you to check how much memory and processing power are being used, monitor background applications and services, view system warnings and error messages, and identify programs that may slow down the computer. Regular monitoring helps detect small issues before they become serious.
Answer
Resource Monitor is an advanced system tool in Microsoft Windows that gives a deeper view of how your computer's resources (memory, CPU, and disk) are being used. For example, its CPU Tab shows which processes and services are using the processor.
Answer
Task Manager is a built-in tool in Microsoft Windows that helps users to monitor the performance of their computers. It shows real-time information about how the system's processor (CPU), memory (RAM), and storage (disk) are being used.
Answer
Answer
Task Manager is helpful when your computer is slow, or an application stops responding. It allows you to:
Answer
While Task Manager gives a quick overview, Resource Monitor provides more detailed information about which programs and background services are using system resources. It is especially helpful when the system is running slowly, overheating, or using a lot of memory without any clear reason.
Answer
Answer
Answer
Event Viewer is also a built-in Windows tool that records detailed logs of system activities. It helps users check for errors, warnings, and important events related to software, hardware, and security. To open it, press the shortcut key Windows + R, type the command eventvwr in the dialog box that appears, and press Enter.
Answer
Safe Mode starts Windows with only the most fundamental drivers and services. It disables unnecessary background programs and startup software, making it easier to fix problems caused by faulty apps or settings. Safe Mode is useful when the system keeps crashing or restarting, a program or driver is causing the computer to freeze, or you need to scan for malware or uninstall a recent app.
Answer
Download the system image or installer from the official website of your operating system provider (e.g., Windows ISO, Linux ISO, or macOS installer). Download Rufus (a free USB tool) from its official site (https://rufus.ie/en/(opens in a new tab)). Plug in a USB drive (16 GB or more). Open Rufus, select the USB and the ISO file. Choose GUID Partition Table (GPT) for modern PCs and Master Boot Record (MBR) for older systems. Then click Start to create the bootable USB.
Answer
A restore point is like a saved snapshot of your system's settings and files. It helps you return your computer to an earlier, working condition if something goes wrong, such as after installing a faulty program or driver. Restore points are made automatically before system updates or driver installations, or manually by the user when it is needed.
Answer
Click the Start button and open the Control Panel. Go to System and Security, then click System. On the left, click System Protection. In the new window, under the System Protection tab, click the Create button. Type a name for your restore point (e.g., "Before installing printer driver") and click Create. Wait a few seconds for confirmation. Your restore point is now saved.
Answer
This version of Safe Mode includes network drivers, so you can access the internet. It is helpful when you need to download updates or drivers, you want to use online help tools, or you want to run a cloud-based antivirus scan. To enter it, follow the same steps as for Safe Mode and press F5 instead of F4.
Answer
Bootable recovery media is a USB flash drive or DVD that contains important system files. It helps start the computer from an external device instead of the built-in storage. We use it when Safe Mode is not accessible, or when you need to repair or reinstall the operating system.
Answer
GPT and MBR are two different ways of organizing data on a storage drive (Hard drive or SSD). MBR is the older system. It supports up to 2 TB of disk size and a maximum of 4 primary partitions. GPT is the modern standard. It supports disks larger than 2 TB, allows over 100 partitions, and is required for UEFI-based systems.
Answer
Press Win + X and select Disk Management. Find the drive where Windows is installed (usually Disk 0). Right-click on the disk label (e.g., Disk 0), then choose Properties. Go to the Volumes tab and look at Partition Style. It will show either GUID Partition Table (GPT) or Master Boot Record (MBR).
Answer
POST stands for Power-On Self-Test. It is the first thing the firmware does after the computer is turned on. POST checks the most important hardware to make sure everything is working properly. If all parts are fine, the computer continues to load the operating system. If something is wrong, it may beep or show an error message on the screen. Example: If the RAM is missing, the computer will beep continuously.
Answer
Boot order means the sequence in which the computer looks for a device to load the operating system. For example, it may try the USB drive first, then the hard drive. So to start from a recovery USB, you enter BIOS/UEFI settings, go to the Boot tab or menu, move your desired device (e.g., USB) to the top of the list, and save changes and exit.
Answer
All computers have special software built into the motherboard called firmware. It is not stored on the hard drive and does not get deleted when the computer is turned off. Firmware gives the computer basic instructions on how to start.
Answer
The two common types of firmware are BIOS and UEFI. BIOS is older firmware software that shows a basic, text-only menu and works with the keyboard only. UEFI is a newer type of firmware software that supports a graphical menu, that uses both mouse and keyboard, and larger hard drives.
Answer
BIOS/UEFI checks if the hardware is working correctly (like RAM, keyboard, and hard drive). It finds the boot device (USB, hard disk, etc.) and starts the operating system. It allows users to change system settings like date, time, and boot order.
Answer
To open this setting, you need to shut down your computer. Turn it on and immediately press a key like Del, F2, F10, or Esc (the correct key depends on the brand, like HP, DELL, and MSI). The BIOS or UEFI screen will appear.
Answer
Enter BIOS/UEFI settings. Go to the Boot tab or menu. Move your desired device (e.g., USB) to the top of the list. Save changes and exit.
Answer
If the wrong settings are saved, you can restore the system to its original state by selecting "Load Setup Defaults" or "Reset to Default" inside BIOS/UEFI settings. If the computer cannot start due to missing files or errors, this can be fixed by using Startup Repair from Windows recovery USB or DVD.
Answer
There are two main ways to recover deleted files: i. Using built-in tools. ii. Using third-party software.
Answer
These tools are already part of the operating system, which is why we call them built-in tools. The book discusses three: Recycle Bin, File History and Previous Versions.
Answer
When a file is deleted in Windows, it usually goes to the Recycle Bin. It stays there until the bin is empty. You can open the Recycle Bin, right -click the file, and select Restore to bring it back to its original location.
Answer
File History is a backup feature in Windows. If it is turned on, the system keeps copies of your files at regular intervals. To turn it on, go to Settings > Update & Security > Backup, connect an external USB or Hard drive, and select "Add a drive".
Answer
Right-click the file or folder, choose Properties, then go to the Previous Versions tab. If available, you can select and restore an older copy.
Answer
Tenorshare is a free and easy-to-use file recovery program. It can scan your hard drive, USB, or memory card to find files that were recently deleted. It is used when deleted files are not found in the Recycle Bin or Previous Versions.
Answer
Recovery success depends on how recently the file was deleted and whether new data has overwritten it. Installing recovery software on the same drive where your lost file was stored may reduce the chance of successful recovery.
Answer
Answer
The computer collects unnecessary files such as temporary internet files, system cache, Windows update files, and items in the Recycle Bin. "These files take up space and may slow down system performance." So the two benefits of regular disk cleanup are: (1) it frees the space these files take up, and (2) it stops them from slowing down system performance. Disk Cleanup "helps remove such files safely."
Answer
Windows Defender is the built-in security tool in Windows that protects your computer from viruses, malware, and other threats. It offers two types of scans: Quick Scan to check common problem areas and Full Scan to check the entire system thoroughly. It also provides real-time protection, which means it keeps watching your system in the background and alerts you if anything suspicious happens.
Answer
Preventive maintenance means doing simple tasks that help avoid bigger problems in the future. These tasks can improve your computer's speed, keep it secure, and help it last longer.
Answer
After some time, the computer collects unnecessary files such as temporary internet files, system cache, Windows update files, and items in the Recycle Bin. Disk Cleanup is a built-in Windows tool that helps remove such files safely.
Answer
Answer
Software updates, also known as patches, are released regularly by developers to fix bugs, add features, and improve security. Keeping your system updated helps to protect it from viruses and security threats.
Answer
The two types of updates are: (I) Operating system updates (for Windows, macOS, etc.) and (II) Application updates (for programs like browsers, media players, etc.). To check for updates in Windows: Open Settings > Update & Security, click Check for updates, and install the updates if available. (Note: this is the Windows 10 path; on Windows 11 the button is under Settings > Windows Update.)
Answer
It's a good idea to set a regular schedule for basic maintenance tasks. A maintenance calendar helps you remember when to clean your system, scan for viruses, or check for updates. You can write it down or set reminders on your phone or computer.
Answer
Keeping proper records is an important part of a computer system's maintenance. When we document what we do, such as installing software, fixing issues, or performing updates, it becomes easier to manage and troubleshoot systems in the future.
Answer
We should document what we do, such as installing software, fixing issues, or performing updates.
Answer
Resource Monitor is an advanced system tool in Microsoft Windows that gives a deeper view of how your computer's resources (memory, CPU, and disk) are being used. One key function: it provides more detailed information about which programs and background services are using system resources. For example, its CPU Tab: Shows which processes and services are using the processor. (Other key features from the book: Memory Tab: Displays how much memory is used, free, or reserved. Disk Tab: Monitors which programs are reading from or writing to the hard drive. Network Tab: Shows which applications are sending or receiving data over the internet or network.)
Answer
Safe Mode starts Windows with only the most fundamental drivers and services. It disables unnecessary background programs and startup software, making it easier to fix problems caused by faulty apps or settings. Safe Mode is useful when: the system keeps crashing or restarting; a program or driver is causing the computer to freeze; you need to scan for malware or uninstall a recent app.
Answer
To create a bootable USB (book's steps, in order):
Answer
POST stands for Power-On Self-Test. It is the first thing the firmware does after the computer is turned on. POST checks the most important hardware to make sure everything is working properly. If all parts are fine, the computer continues to load the operating system. If something is wrong, it may beep or show an error message on the screen. Example: If the RAM is missing, the computer will beep continuously.
Answer
Boot order means the sequence in which the computer looks for a device to load the operating system. For example, it may try the USB drive first, then the hard drive. Bootable recovery media "helps start the computer from an external device instead of the built-in storage" (page 28). So, to use the recovery tools on the USB, the USB must be first in the boot order: in BIOS/UEFI settings, "Go to the Boot tab or menu", "Move your desired device (e.g., USB) to the top of the list", then "Save changes and exit."
Answer
The book says: "After some time, the computer collects unnecessary files such as temporary internet files, system cache, Windows update files, and items in the Recycle Bin. These files take up space and may slow down system performance. Disk Cleanup is a built-in Windows tool that helps remove such files safely." So the two benefits are:
Note: the book does not print a list titled "two benefits". Both benefits come from the sentence "These files take up space and may slow down system performance" (page 34). Topic 2.1 (page 21) supports the second one: "If the computer becomes slow due to full storage, deleting a few files may improve its speed for a short time. However, if unnecessary files are not removed regularly ... the same issue may occur again."
Answer
Windows Defender is the built-in security tool in Windows that protects your computer from viruses, malware, and other threats. It offers two types of scans: Quick Scan to check common problem areas, and Full Scan to check the entire system thoroughly. Windows Defender also provides real-time protection, which means it keeps watching your system in the background and alerts you if anything suspicious happens.
Answer
Start with the book's lead-in, then cover all five problems in the book's words:
Aim for 200-300 words.
Answer
Cover three parts:
Aim for 150-250 words.
Answer
Cover three parts:
Aim for 120-180 words.
Answer
Cover both tools, each with its role and one example taken from the book text:
Task Manager (verbatim role): "Task Manager is a built-in tool in Microsoft Windows that helps users to monitor the performance of their computers. It shows real-time information about how the system's processor (CPU), memory (RAM), and storage (disk) are being used." Two tabs: "The Processes tab of the task manager shows all active programs and how much system resources they are using, while the Performance tab displays detailed graphs for CPU, memory, disk, and network usage." Example from the book: "Task Manager is helpful when your computer is slow, or an application stops responding." Select the program from the processes tab "and click End Task to close it if it is not working properly".
Event Viewer (verbatim role): "Event Viewer is also a built-in Windows tool that records detailed logs of system activities. It helps users check for errors, warnings, and important events related to software, hardware, and security." Example (the book gives no worked example for Event Viewer, so build it only from its text): when there are problems with software, hardware or security, open Event Viewer (Windows + R, type eventvwr, press Enter) and check the errors and warnings it has recorded.
Closing line: "Each of these tools plays a different role in resolving system health and performance-related issues."
Aim for 200-300 words.
Answer
Cover four parts:
Definition (verbatim): "Resource Monitor is an advanced system tool in Microsoft Windows that gives a deeper view of how your computer's resources (memory, CPU, and disk) are being used." Compare: "While Task Manager gives a quick overview, Resource Monitor provides more detailed information about which programs and background services are using system resources."
When it is helpful (verbatim): "It is especially helpful when the system is running slowly, overheating, or using a lot of memory without any clear reason."
How to open it (two ways):
Key features (verbatim):
Note: the book's Resource Monitor paragraph says "as shown in Figure 2.1", but the Resource Monitor screenshot is Figure 2.2. Refer to Figure 2.2.
Aim for 250-350 words.
Answer
Start with the book's purpose line: these tools "give useful information about the computer's current state and help identify problems related to memory, storage, processing power, and system errors."
Task Manager: "helps users to monitor the performance of their computers". Open it: "Press the Ctrl + Shift + Esc shortcut key from the keyboard" or "right-click on the taskbar and select Task Manager from the menu".
Resource Monitor: "gives a deeper view of how your computer's resources (memory, CPU, and disk) are being used". Open it: from Task Manager's Performance tab ("click on Open Resource Monitor at the bottom"), or Windows + R, type "resmon", press Enter.
Event Viewer: "records detailed logs of system activities" and "helps users check for errors, warnings, and important events related to software, hardware, and security". Open it: Windows + R, type "eventvwr", press Enter.
A small table (Tool / What it does / How to open) is a neat way to present the answer.
Aim for 200-250 words.
Answer
Cover three parts, using the book's wording:
System Restore (verbatim): "System Restore allows you to take your computer back to an earlier state without deleting personal files. It works by using restore points, which are saved versions of your system created before major changes." Restore point: "A restore point is like a saved snapshot of your system's settings and files. It helps you return your computer to an earlier, working condition if something goes wrong, such as after installing a faulty program or driver."
Steps to Use a Restore Point (book list): Open the Control Panel. Go to Recovery and click Open System Restore. A window will appear showing available restore points. Select the most recent restore point when your system was working fine. Click Next, then Finish. Your system will restart and restore the selected settings.
Bootable recovery USB, when the computer fails to start (verbatim): "Sometimes, a computer may stop working completely and fail to start. In such cases, normal recovery options like Safe Mode and Restore Points may not work. So, in this case, we use bootable recovery media to recover the system." "Bootable recovery media is a USB flash drive or DVD that contains important system files. It helps start the computer from an external device instead of the built-in storage." After starting from the USB, use the built-in tools: "Startup Repair to fix problems that prevent Windows from loading" and "System Restore to go back to a working state using a restore point". The book also lists Command Prompt for advanced troubleshooting, and System Reset or Reinstallation to reinstall the operating system if needed.
Note for the student: the book says System Restore works "without deleting personal files". It does not say this about System Reset or Reinstallation, so for this question focus on Startup Repair and System Restore.
Aim for 200-300 words.
Answer
Cover five parts:
Definition (verbatim): "Safe Mode starts Windows with only the most fundamental drivers and services. It disables unnecessary background programs and startup software, making it easier to fix problems caused by faulty apps or settings."
When it is useful (book list): The system keeps crashing or restarting. A program or driver is causing the computer to freeze. You need to scan for malware or uninstall a recent app.
How to open Safe Mode (book steps):
Safe Mode with Networking (verbatim): "This version of Safe Mode includes network drivers, so you can access the internet." Helpful when you need to download updates or drivers, use online help tools, or run a cloud-based antivirus scan. Press F5 instead of F4.
Precautions (SMART TIPS box): Do not change settings unless you understand their purpose. Avoid deleting system files; they may be important for Windows to work properly. Use only built-in or trusted tools to fix issues. Restart your computer normally after finishing the task. Ask for help from your teacher or IT expert if unsure. "Safe Mode is powerful, but it should be used carefully."
Aim for 200-300 words.
Answer
Cover four parts:
Definition and uses (verbatim): "Bootable recovery media is a USB flash drive or DVD that contains important system files. It helps start the computer from an external device instead of the built-in storage." Built-in tools: Startup Repair, System Restore, Command Prompt, System Reset or Reinstallation. We use it when Safe Mode is not accessible or you need to repair or reinstall the operating system.
Create a bootable USB (book list): Download the system image or installer (e.g., Windows ISO, Linux ISO, or macOS installer). Download Rufus (a free USB tool) from its official site. Plug in a USB drive (16 GB or more). Open Rufus, select the USB and the ISO file. Choose GPT for modern PCs and MBR for older systems. Then click Start.
GPT and MBR (DO YOU KNOW box): "MBR is the older system. It supports up to 2 TB of disk size and a maximum of 4 primary partitions." "GPT is the modern standard. It supports disks larger than 2 TB, allows over 100 partitions, and is required for UEFI-based systems." SMART TIPS: "If your computer uses GPT, but you create the USB in MBR format, it might not boot at all. The same happens if your system uses MBR and you use a GPT USB."
Check the partition style (book steps): Press Win + X and select Disk Management. Find the drive where Windows is installed (usually Disk 0). Right-click on the disk label, then choose Properties. Go to the Volumes tab. Partition Style will show either GUID Partition Table (GPT) or Master Boot Record (MBR).
Aim for 250-350 words.
Answer
Cover four parts, quoting the book:
Aim for 200-300 words.
Answer
Cover five parts, quoting the book:
Aim for 200-300 words.
Answer
Cover three parts:
Third-party software (verbatim): "Sometimes, deleted files are not found in the Recycle Bin or Previous Versions. In such cases, you can try using third-party recovery software. Tenorshare is a free and easy-to-use file recovery program demonstrated in Figure 2.5. It can scan your hard drive, USB, or memory card to find files that were recently deleted. You can then choose which files to recover."
Steps to Use Tenorshare (verbatim):
Why recovery may not always be successful (verbatim):
Aim for 200-300 words.
Answer
Cover four parts:
Built-in tools (verbatim): "These tools are already part of the operating system, which is why we call them built-in tools."
Recycle Bin (verbatim): "When a file is deleted in Windows, it usually goes to the Recycle Bin. It stays there until the bin is empty. You can open the Recycle Bin, right -click the file, and select Restore to bring it back to its original location."
File History (verbatim): "File History is a backup feature in Windows. If it is turned on, the system keeps copies of your files at regular intervals. You can recover files from earlier versions, even if they have been deleted or changed." How to turn it on: "go to Settings > Update & Security > Backup, connect an external USB or Hard drive, and select "Add a drive". Once enabled, Windows will regularly back up your files like Documents, Pictures, and Desktop on that drive."
Previous Versions (verbatim): "This feature allows you to recover an earlier version of a file or folder. Right-click the file or folder, choose Properties, then go to the Previous Versions tab. If available, you can select and restore an older copy."
Aim for 200-300 words.
Answer
Start with the book's meaning of preventive maintenance: "Preventive maintenance means doing simple tasks that help avoid bigger problems in the future. These tasks can improve your computer's speed, keep it secure, and help it last longer."
Then explain ANY TWO of the four practices the book gives:
Aim for 150-250 words.
Answer
Cover three parts:
Aim for 150-250 words.
Answer
Cover two parts:
Aim for 200-300 words.
Answer
Cover both tools using the book's text (topic 2.2, pages 23 to 25):
Task Manager (role, verbatim): "Task Manager is a built-in tool in Microsoft Windows that helps users to monitor the performance of their computers. It shows real-time information about how the system's processor (CPU), memory (RAM), and storage (disk) are being used. The Processes tab of the task manager shows all active programs and how much system resources they are using, while the Performance tab displays detailed graphs for CPU, memory, disk, and network usage."
Task Manager example (from the book): "Task Manager is helpful when your computer is slow, or an application stops responding." The user selects the stuck program in the Processes tab and clicks End Task. The ACTIVITY (pages 25 to 26) gives a second example: find a program running in the background that you are not using (e.g., Music app, update service), click End Task (only if you're sure it is safe to close), and observe if your computer's speed improves.
Event Viewer (role, verbatim): "Event Viewer is also a built-in Windows tool that records detailed logs of system activities. It helps users check for errors, warnings, and important events related to software, hardware, and security, as shown in Figure 2.3."
Event Viewer example: Note: the book gives no worked example for Event Viewer. Build the example only from its text: when a problem happens with software, hardware or security, the user opens Event Viewer (Windows + R, eventvwr) and checks the errors and warnings it has recorded, to find out what went wrong. Topic 2.1 (page 22) supports this: monitoring tools let you "View system warnings and error messages", and "Regular monitoring helps detect small issues before they become serious."
Aim for 200-300 words.
Answer
Cover both options using the book's text (topic 2.3, pages 26 to 29, and topic 2.4, page 31):
Why recovery options (verbatim, page 26): "In some cases, basic troubleshooting is not enough to fix a problem. The computer may crash, become unresponsive, or fail to start. ... These recovery options help restore the computer to a working state without losing important data in most cases."
System Restore (verbatim, page 27): "System Restore allows you to take your computer back to an earlier state without deleting personal files. It works by using restore points, which are saved versions of your system created before major changes." "A restore point is like a saved snapshot of your system's settings and files. It helps you return your computer to an earlier, working condition if something goes wrong, such as after installing a faulty program or driver." Steps to Use a Restore Point (pages 27 to 28): Open the Control Panel. Go to Recovery and click Open System Restore. A window will appear showing available restore points. Select the most recent restore point when your system was working fine. Click Next, then Finish. Your system will restart and restore the selected settings.
Bootable recovery USB (verbatim, page 28): "Sometimes, a computer may stop working completely and fail to start. In such cases, normal recovery options like Safe Mode and Restore Points may not work. So, in this case, we use bootable recovery media to recover the system." "Bootable recovery media is a USB flash drive or DVD that contains important system files. It helps start the computer from an external device instead of the built-in storage." After starting the system, use built-in recovery tools such as: Startup Repair to fix problems that prevent Windows from loading; System Restore to go back to a working state using a restore point.
Starting from the USB (topic 2.4, page 31): Enter BIOS/UEFI settings, go to the Boot tab or menu, move your desired device (e.g., USB) to the top of the list, save changes and exit. "Sometimes the computer cannot start due to missing files or errors. This can be fixed by using Startup Repair from Windows recovery USB or DVD."
Tip: the bootable media list also has "System Reset or Reinstallation to reinstall the operating system if needed". The question asks for a fix "without deleting personal files", and the book only says that about System Restore, so build the answer on System Restore and Startup Repair.
Aim for 250-350 words.
Answer
Start with the book's definition (topic 2.6, page 34): "Preventive maintenance means doing simple tasks that help avoid bigger problems in the future. These tasks can improve your computer's speed, keep it secure, and help it last longer." Then explain ANY TWO of the book's four techniques:
Disk Cleanup (page 34 to 35): "After some time, the computer collects unnecessary files such as temporary internet files, system cache, Windows update files, and items in the Recycle Bin. These files take up space and may slow down system performance. Disk Cleanup is a built-in Windows tool that helps remove such files safely." Steps: type Disk Cleanup in the Windows search bar and open it; select the drive (usually C:) and click OK; check the boxes for the types of files you want to delete; click OK to remove the selected files.
Patch management/ System Updation (page 35): "Software updates, also known as patches, are released regularly by developers to fix bugs, add features, and improve security. Keeping your system updated helps to protect it from viruses and security threats." Two types: Operating system updates (for Windows, macOS, etc.) and Application updates (for programs like browsers, media players, etc.). To check in Windows: Open Settings > Update & Security, click Check for updates, install the updates if available.
Staying Protected with Windows Defender (page 35): "Windows Defender is the built-in security tool in Windows that protects your computer from viruses, malware, and other threats." Quick Scan to check common problem areas; Full Scan to check the entire system thoroughly; real-time protection "keeps watching your system in the background and alerts you if anything suspicious happens."
Keeping a maintenance calendar (page 36): "A maintenance calendar helps you remember when to clean your system, scan for viruses, or check for updates. You can write it down or set reminders on your phone or computer."
Aim for 200-300 words.
Answer
Cover both parts using the book's text (topic 2.5, pages 32 to 34):
Third-party tools (verbatim, page 32): "Sometimes, deleted files are not found in the Recycle Bin or Previous Versions. In such cases, you can try using third-party recovery software. Tenorshare is a free and easy-to-use file recovery program demonstrated in Figure 2.5. It can scan your hard drive, USB, or memory card to find files that were recently deleted. You can then choose which files to recover."
Steps to Use Tenorshare (page 33): i. Open Tenorshare, select the location from which you want to recover a file, such as a specific drive or folder (see Figure 2.5). ii. Choose the type of file to recover (e.g., pictures, documents). iii. Click "Scan" to start searching for lost files. iv. Select the files you want to recover and click "Recover" to restore them.
Why recovery may fail (verbatim, page 33): "Recovery success depends on how recently the file was deleted and whether new data has overwritten it." Limitations of recovery: "If a file is deleted a long time ago, it may no longer be recoverable." "Recovery is not always possible if the hard drive is damaged or formatted." "Files may be permanently lost if the Recycle Bin is emptied, and no backups were made."
Best practice (SMART TIPS, page 34): "Never install recovery software on the same drive where your lost file was stored. This may reduce the chance of successful recovery." "Always check the Recycle Bin first before trying advanced recovery tools. It is the easiest and safest way to restore deleted files."
Aim for 200-300 words.
Answer
Cover these points using the book's text (topic 2.6, pages 34 to 35):
Why (verbatim, page 34): "After some time, the computer collects unnecessary files such as temporary internet files, system cache, Windows update files, and items in the Recycle Bin. These files take up space and may slow down system performance. Disk Cleanup is a built-in Windows tool that helps remove such files safely." Point out that "Windows update files" are in the book's list, which fits the classmate's case.
Steps to Perform Disk Cleanup (page 35): I. Type Disk Cleanup in the Windows search bar and open the tool from the list. This opens a small window asking you to choose a drive to clean, as shown in Figure 2.6. II. Select the drive you want to clean (usually C:) and click OK. III. Check the boxes from the dialog box that appears after OK, as shown in Figure 2.6, for the types of files you want to delete. IV. Click OK to remove the selected files.
The "remove system files" part (exam curveball): the book's text gives no separate step for it. The only place it appears is Figure 2.6 (Disk Cleanup Menu), which shows a "Clean up system files" button in the Disk Cleanup window. Mention that button by name and stress the book's word "safely": only check the boxes for the types of files you want to delete. The SMART TIPS for Safe Mode (page 27) add: "Avoid deleting system files; they may be important for Windows to work properly."
BEYOND THE BOOK (not book text, so not the answer the book marks): in Windows, clicking "Clean up system files" may ask for the drive again and then shows extra system file types (for example, Windows Update Cleanup) in the same list of check boxes.
Aim for 200-300 words.
