Defragmentation ____ is used to optimise the performance of a computer's hard ____ by rearranging ____ data on the disk. Over time, files on a disk can ____ fragmented, meaning they are ____ in different ____. Defragmentation brings these fragments ____, ____ disk access times and overall system ____. Encryption software is designed to ____ information to make it ____ without the appropriate ____ ____. It's used to protect sensitive data, such as files, folders, or ____, from ____ access. Encryption ensures that even if someone ____ access to the encrypted ____, they cannot understand or use it without the ____ decryption key. Data compression software reduces the size of ____ or data, making them more efficient for storage or transmission. There are two main types of compression: ____ and ____. Lossless compression reduces file size without losing any data, while lossy compression ____ some data to achieve higher compression ratios. Data ____ is commonly used in file archiving, data transmission, and multimedia applications. These types of utility software play ____ roles in maintaining the ____, ____, and ____ of computer systems. They contribute to optimising performance, safeguarding data, and managing ____ resources effectively.

Fill in the gaps utility software

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