Utility program perform tasks related to the maintaining the computer software and physical parts. As an IT expert, select four types of utilityprogram and explain howcan beused to maintain computer?

1. Disk Cleanup: Disk Cleanup is a utility program that helps to free up disk space on a computer by removing unnecessary files such as temporary files, cache files, and old system files. This can help improve the overall performance of the computer by reducing the amount of clutter on the hard drive.

2. Disk Defragmenter: Disk Defragmenter is a utility program that reorganizes the data on a computer's hard drive so that files are stored in contiguous blocks, rather than scattered across the disk. This can help improve the speed and efficiency of file access, as the computer does not have to search for fragmented files across different parts of the disk.

3. Antivirus Software: Antivirus software is a utility program that helps to protect a computer from malware, viruses, and other malicious software. It scans the computer for any threats and removes them to prevent damage to the system. Regularly running antivirus scans can help maintain the security and integrity of the computer.

4. Registry Cleaner: Registry Cleaner is a utility program that helps to clean and optimize the Windows registry, which is a database that stores configuration settings and options for the operating system and installed applications. Over time, the registry can become cluttered with invalid entries and errors, which can slow down the computer and cause stability issues. Running a registry cleaner can help maintain the health and performance of the computer by removing unnecessary entries and fixing errors.