Which of the following best describes the role of an operating system?, Converts digital data into audio signals, Manages hardware resources and provides services to applications, Designs user interfaces for software developers, Transfers files between devices only, A computer freezes while running multiple applications. Which OS feature helps manage this problem?, File fragmentation, Multitasking, Cloud storage, Disk partitioning, Which type of OS is designed to complete jobs without user interaction, often processing long tasks sequentially?, Real-time OS, Multi-user OS, Mobile OS, Batch processing OS, A user installs a new printer, but the computer cannot detect it. Which component is MOST likely missing?, BIOS update, Boot loader, Device driver, Kernel, Which utility program is used to rearrange scattered data on a hard drive to improve system performance?, Disk Cleanup, Backup Utility, Firewall, Disk Defragmenter, Which program tells the OS how to communicate with a specific device?, Driver, Disk Cleanup, File Manager, Firewall, Which of the following is an advantage of using a command-line interface (CLI) over a graphical user interface (GUI)?, Allows faster execution for advanced users, Requires high processing power, Uses icons to represent all commands, Limited to simple operations only, A student wants to protect a laptop from ransomware attacks. Which utility tool is MOST essential?, File compression tool, Disk formatting tool, Clipboard manager, Antivirus software with real-time protection, Which storage management technique allows the OS to extend RAM by temporarily storing data on the hard disk?, Virtual memory, File indexing, Memory fragmentation, Disk scheduling, A system administrator needs to restore a computer to an earlier working condition without deleting user files. Which utility should be used?, Disk Defragmenter, System Restore, BIOS Configuration, Format Disk.

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