Input and Output Devices Overview

The video tutorial provides an overview of input and output devices used in computers. It explains how input devices like keyboards, mice, scanners, joysticks, microphones, light pens, and webcams allow users to interact with computers by sending data to the central processing unit. The tutorial also covers output devices such as monitors, printers, plotters, speakers, headphones, and projectors, which receive data from the computer and present it to users. The video concludes with a prompt to subscribe for more educational content.

What is the primary function of an input device?

• To display data from the computer

• To project an image onto a large surface

• To send data or information to the central processing unit

• To print text or pictures on paper

Which input device is most commonly used to enter data and instructions into a computer?

• Mouse

• Scanner

• Keyboard

• Joystick

How does a mouse interact with a computer?

• By recording voice and sounds

• Through a process known as point and click

• By drawing continuous lines onto paper

• By capturing photographs and videos

What is the function of a scanner?

• To point to displayed objects on the computer screen

• To record our voice and different sounds

• To transfer images or text from books or paper into a computer

• To control video games

Which input device is often used to control video games?

• Light pen

• Microphone

• Joystick

• Webcam

What is the primary function of an output device?

• To receive data from the central processing unit

• To send data to the central processing unit

• To interact with the computer screen

• To record sounds and voice

Which output device displays data from a computer onto a screen?

• Projector

• Printer

• Monitor

• Speaker

What is the printed copy on a paper called?

• Soft copy

• Digital copy

• Electronic copy

• Hard copy

Which output device uses a pen, pencil, marker, or another writing tool to draw multiple continuous lines onto paper?

• Plotter

• Printer

• Projector

• Monitor

What is the function of a projector?

• To project an image from the computer onto a large surface

• To print text or pictures

• To capture photographs and videos

• To listen to music