Chapter 5 and Exam 2 Review

What is the main function of an operating system?

• Create documents

• Manage hardware and software resources

• Provide antivirus protection

• Connect to the Internet

Answer explanation

The main function of an operating system is to manage hardware and software resources, ensuring efficient operation and coordination between the computer's components and applications.

Which type of interface uses icons and menus to interact with the user?

• Command-driven

• Menu-driven

• Graphical User Interface (GUI)

• Text-based

Answer explanation

A Graphical User Interface (GUI) uses icons and menus for user interaction, making it visually intuitive. In contrast, command-driven and text-based interfaces rely on text input, while menu-driven interfaces may not utilize graphical elements.

Which program manages communication between the OS and hardware?

• BIOS

• Driver

• Kernel

• Registry

Answer explanation

The driver is a program that facilitates communication between the operating system (OS) and hardware devices. It translates OS commands into device-specific actions, enabling proper functionality and interaction.

Borrowing hard-drive space to extend RAM is called:

• Paging

• Virtual memory

• Defragmenting

• Caching

Answer explanation

Borrowing hard-drive space to extend RAM is known as virtual memory. It allows the system to use disk space as additional memory, enabling more applications to run simultaneously than the physical RAM alone would allow.

Which utility displays running programs and system performance?

• Disk Cleanup

• Task Manager

• System Restore

• File History

Answer explanation

Task Manager is the utility that displays running programs and system performance, allowing users to monitor and manage applications and processes. The other options serve different functions, such as cleaning up disk space or restoring system settings.

Which Windows feature reverts your system to an earlier working state?

• Disk Defragmenter

• System Restore

• Registry Editor

• File History

Answer explanation

System Restore is a Windows feature that allows users to revert their system to a previous state, effectively undoing changes that may have caused issues. This makes it the correct choice for restoring functionality.

What is the correct order of the boot process?

• a) BIOS → POST → Load OS → Configuration

• b) POST → BIOS → OS → Registry

Answer explanation

The boot process starts with the BIOS, which initializes hardware and runs the POST (Power-On Self-Test). After that, the OS is loaded, followed by system configuration. Thus, the correct order is: BIOS → POST → Load OS → Configuration.

Which utility reduces file size for storage or email?

• Disk Cleanup

• File Compression

• Firewall

• Antivirus

Answer explanation

File compression is a utility that reduces the size of files, making them easier to store and share via email. It achieves this by using algorithms to minimize the amount of data needed to represent the file.

Which OS allows web-based use through Google Chrome?

• Linux

• macOS

• Chrome OS

• iOS

Answer explanation

Chrome OS is specifically designed to work seamlessly with web applications through Google Chrome, making it the ideal choice for web-based use among the options provided.

Which utility clears temporary and unnecessary files?

• Task Manager

• Disk Cleanup

• Defragmenter

• Registry Editor

Answer explanation

Disk Cleanup is the utility designed to remove temporary and unnecessary files from your system, helping to free up disk space. Other options like Task Manager and Registry Editor serve different purposes.