Computer Basics and Concepts

Front

What is the function of input and output devices?

Back

Input devices let users enter data into a computer. Output devices let the computer present results back to users.

Front

Name some types of input devices.

Back

Keyboard, mouse, scanner, microphone.

Front

Name some types of output devices.

Back

Monitor, printer, speakers, projector.

Front

What is hardware?

Back

Physical parts of a computer (CPU, RAM, hard drive, keyboard, monitor).

Front

What is software?

Back

Programs that run on hardware (Windows, Excel, Google Chrome).

Front

What does resolution mean in computer displays?

Back

Number of pixels (e.g., 1920×1080 = HD).

Front

What is refresh rate in computer displays?

Back

How many times per second the screen redraws (measured in Hz).

Front

How is the size of a computer display measured?

Back

Measured diagonally in inches (e.g., 15.6", 24").

Front

What is aspect ratio in computer displays?

Back

Shape of the screen (16:9 is widescreen).

Front

What are the basic functions of application software?

Back

Helps users complete tasks like writing documents, analyzing data, making presentations, or managing information.