question What is the purpose of the CTRL O keyboard shortcut

Computer Fundamentals

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

CTRL + O is commonly used to open an existing document in many applications.

What is the purpose of a router in a network?

A. Connect devices within a LAN
B. Filter internet content
C. Connect different networks
D. Increase internet speed

What is the purpose of a data backup in computing?

A. Speed up internet connections
B. Prevent data loss
C. Increase processing speed
D. Manage network settings

What does GUI stand for?

A. Graphical User Interface
B. General User Interface
C. Graphical Unit Interface
D. General Unit Interface

In computer graphics, what does RGB stand for?

A. Red, Green, Blue
B. Read, Generate, Browse
C. Rotate, Generate, Blend
D. Random, Gradient, Brightness

Which type of software enables communication between the hardware and the user?

A. Application software
B. System software
C. Firmware
D. Middleware

What is a firewall used for in computing?

A. Protect against viruses
B. Block unauthorized access
C. Increase internet speed
D. Store passwords securely

What is the primary function of a cache memory in a computer system?

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 primary purpose of an antivirus program?

A. Enhance system performance
B. Prevent data loss
C. Protect against malware
D. Manage network settings

In networking, what does VPN stand for?

A. Virtual Private Network
B. Very Personal Network
C. Visible Public Network
D. Verified Public Network

What is the purpose of a compiler?

A. Execute programs
B. Debug code
C. Convert high-level code to machine code
D. Manage files