question What is the purpose of the CTRL K keyboard shortcut

Computer Fundamentals

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

A. Insert a hyperlink
B. Save the document
C. Copy the selected text
D. Cut the selected text

CTRL + K is commonly used to insert hyperlinks in many applications.

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 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

Which programming language is primarily used for developing system-level software?

A. Python
B. C++
C. Java
D. Ruby

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

A. Minimize the window
B. Maximize the window
C. Create a new document
D. Print the document

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

A. Justify the selected text
B. Join multiple cells in a spreadsheet
C. Open a new document
D. Cut the selected text

What is the function of a barcode scanner in a retail environment?

A. Process credit card transactions
B. Display product information
C. Capture and decode barcode data
D. Manage inventory databases

What is the primary function of a webcam in computing?

A. Display graphics
B. Record audio
C. Capture images
D. Track eye movements

Which programming paradigm emphasizes treating computation as the evaluation of mathematical functions and avoids changing-state and mutable data?

A. Procedural programming
B. Object-oriented programming
C. Functional programming
D. Declarative programming

Which programming language is known for its portability and versatility?

A. C
B. Java
C. Python
D. Assembly

Which programming language is commonly used for web development?

A. Java
B. C++
C. HTML
D. Python