question What is the purpose of a modem

Computer Fundamentals

What is the purpose of a modem?

A. Connect to a local network
B. Connect to the internet
C. Manage system resources
D. Store data securely

Modems facilitate the connection to the internet by converting digital signals to analog and vice versa.

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

A. Copy selected text or item
B. Cut selected text or item
C. Paste copied text or item
D. Undo the last action

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

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

What is the function of an IP address in networking?

A. Identify a specific device on a network
B. Block unwanted websites
C. Connect to the internet
D. Display web pages

What does DNS stand for in networking?

A. Domain Name System
B. Dynamic Network Server
C. Digital Network Security
D. Data Network Service

Which of the following is a volatile storage device?

A. Hard Disk Drive
B. SSD
C. Flash Drive
D. Magnetic Tape

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 cache memory in a computer?

A. Store data permanently
B. Provide additional storage space
C. Speed up data access by storing frequently used data
D. Manage network connections

What is the role of a compiler in the software development process?

A. Manage system resources
B. Convert source code to machine code
C. Debug code
D. Run applications

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 of the following is a high-level programming language?

A. Assembly
B. C
C. Machine code
D. Fortran