question What is the primary function of the ALU in a CPU

Computer Fundamentals

What is the primary function of the ALU in a CPU?

A. Manage memory
B. Perform arithmetic and logical operations
C. Control input devices
D. Execute programs

The Arithmetic Logic Unit (ALU) performs mathematical and logical operations in the CPU.

What is the purpose of a UPS (Uninterruptible Power Supply) in computing?

A. Increase internet speed
B. Prevent data loss during power outages
C. Manage system resources
D. Connect to the internet

What is the primary function of a power supply unit in a computer?

A. Manage system settings
B. Store data permanently
C. Provide electrical power to the components
D. Connect to the internet

What is the purpose of a firewall in a computer network?

A. Manage file storage
B. Enhance system performance
C. Block unauthorized access
D. Encrypt data

Which file format is commonly used for images with a transparent background?

A. .jpg
B. .png
C. .gif
D. .bmp

What is the purpose of the CTRL + O keyboard shortcut?

A. Save the document
B. Open a new document
C. Open an existing document
D. Copy the selected text

What is the role of an output device in a computer system?

A. Process data
B. Store data permanently
C. Display or produce information
D. Provide electrical power

What is the primary role of a compiler in the context of programming languages?

A. Interpret code line by line
B. Convert source code to machine code
C. Debug code in real-time
D. Manage system resources

In computer networks, what does DHCP stand for?

A. Dynamic Host Configuration Protocol
B. Data Handling Control Hub
C. Digital High-Speed Connection
D. Directory Hosting Control Panel

Which of the following is a non-volatile storage device?

A. RAM
B. Flash Drive
C. SSD
D. CD-ROM

What is the purpose of a graphics card in a computer?

A. Store files and documents
B. Display images and videos
C. Connect to the internet
D. Process user input