Correct Answer: B) Operating system
Explanation: The operating system enables user interaction with hardware through a user interface and manages underlying operations.
A) Store user data securely
B) Execute system commands
C) Protect against malware
D) Manage system resources
Correct Answer: D) Manage system resources
Explanation: The operating system oversees the use of hardware and software resources, ensuring processes and applications run efficiently.
A) Application software
B) Operating system
C) Network protocols
D) Security programs
Correct Answer: B) Operating system
Explanation: The operating system enables user interaction with hardware through a user interface and manages underlying operations.
A) Perform system backups
B) Allocate memory spaces
C) Organize stored files
D) Encrypt sensitive data
Correct Answer: C) Organize stored files
Explanation: A file system manages how data is stored and accessed on storage devices, enabling efficient file organization and retrieval.
A) System utilities
B) Operating system
C) Device drivers
D) File manager
Correct Answer: B) Operating system
Explanation: The operating system allocates CPU, memory, and I/O resources to various running processes, ensuring smooth operation.
A) Manage system updates
B) Perform specific maintenance tasks
C) Execute user commands
D) Control hardware devices
Correct Answer: B) Perform specific maintenance tasks
Explanation: Utility software helps optimize system performance, diagnose issues, and manage tasks like cleaning or defragmentation.
A) File manager
B) Antivirus tool
C) Web browser
D) Device drivers
Correct Answer: A) File manager
Explanation: A file manager enables users to view, organize, and manage files and folders stored on a computer system.
A) Protect system files
B) Enable communication with hardware
C) Enhance graphical rendering
D) Backup user data
Correct Answer: B) Enable communication with hardware
Explanation: Device drivers act as translators between the operating system and hardware components, ensuring proper functionality.
A) Antivirus tools
B) System utilities
C) Operating kernel
D) Network protocols
Correct Answer: B) System utilities
Explanation: System utility software is designed to perform diagnostic tests and maintain the computer’s performance and health.
A) Connect different software applications
B) Secure system resources
C) Encrypt user passwords
D) Organize system files
Correct Answer: A) Connect different software applications
Explanation: Middleware facilitates communication and integration between different applications, often in distributed systems.
A) Spreadsheet tools
B) Data analytics software
C) System utilities
D) File managers
Correct Answer: B) Data analytics software
Explanation: Data analytics tools process raw data and present insights that can guide decisions or strategies.
A) Add new hardware drivers
B) Remove unused applications
C) Fix security vulnerabilities
D) Compress large files
Correct Answer: C) Fix security vulnerabilities
Explanation: Software patches address bugs, enhance security, and sometimes add minor updates to improve system functionality.
A) Backup utilities
B) File managers
C) Antivirus programs
D) Defragmentation tools
Correct Answer: D) Defragmentation tools
Explanation: Defragmentation tools reorganize fragmented data on a disk to improve read/write efficiency and performance.
A) Manage memory usage
B) Update software drivers
C) Backup important data
D) Detect and remove malware
Correct Answer: D) Detect and remove malware
Explanation: Antivirus software scans the system for viruses and malicious programs, removing threats to protect data and functionality.
A) Task manager
B) File explorer
C) System utilities
D) Device drivers
Correct Answer: A) Task manager
Explanation: Task managers allow users to monitor active processes and terminate unresponsive or unnecessary tasks to free resources.
A) Encrypt sensitive files
B) Manage task execution order
C) Backup system logs
D) Monitor hardware usage
Correct Answer: B) Manage task execution order
Explanation: The scheduler determines the order in which processes are executed based on priority and system resources.
A) File manager
B) Compression tools
C) System utilities
D) Antivirus programs
Correct Answer: B) Compression tools
Explanation: Compression tools reduce file sizes for storage or transfer and decompress them when needed for use.
A) Create copies of important data
B) Restore system updates
C) Manage network settings
D) Encrypt sensitive files
Correct Answer: A) Create copies of important data
Explanation: Backup utilities safeguard against data loss by creating secure copies of files and system configurations.
A) Operating system
B) Data analytics tools
C) Task manager
D) File manager
Correct Answer: A) Operating system
Explanation: The operating system uses virtual memory to extend physical RAM by temporarily storing data on the hard drive.
A) Monitor hardware usage
B) Compress system data
C) Record system events
D) Allocate disk space
Correct Answer: C) Record system events
Explanation: Logging software records system events and generates alerts to help administrators monitor performance and detect issues.
A) Antivirus tools
B) File shredder programs
C) Defragmentation utilities
D) System utilities
Correct Answer: B) File shredder programs
Explanation: File shredders permanently delete sensitive data by overwriting it, making it unrecoverable.
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