Difference Between Webcam and Digital Camera Quiz

Web Cam and Digital Camera Quiz

Test your knowledge on webcams and digital cameras, including their features and uses. Learn about how webcams enable two-way communication with sound and video, while digital cameras store photos digitally for easy manipulation on computers.

Created by

@RobustGuqin

Questions and Answers

What type of information can be communicated using a web cam?

Sound, video, and text communication

How are photos stored in a digital camera?

Digitally in a memory card

What is the main function of output devices in computing?

To receive and carry processed data to the user

How do flat screen monitors differ from traditional monitors?

Flat screen monitors use different technologies and are more space-efficient Signup and view all the answers

What do advanced graphics cards for games contain?

Their own CPU dedicated to displaying graphics Signup and view all the answers

What is the main difference between laser printers and inkjet printers based on the text?

Laser printers use laser technology while inkjet printers do not. Signup and view all the answers

How do dot matrix printers work according to the text?

By firing a row of pins through an ink ribbon onto the paper. Signup and view all the answers

What is the benefit of using a plotter over a regular printer based on the information provided?

Plotters allow you to print larger images than regular printers. Signup and view all the answers

What is the main role of a multimedia projector as mentioned in the text?

To display presentations like Microsoft PowerPoint to a group of people. Signup and view all the answers

How does the number of pins in a dot matrix printer relate to the quality of the print according to the text?

A higher number of pins results in higher print quality. Signup and view all the answers

Study Notes

Web Cams

A small digital movie camera mounted on a PC monitor, allowing two-way communication involving sound and video communication
Enables video conferencing and online communication

Digital Cameras

Capture photos digitally and store them in a memory card within the camera
Photos can be easily transferred to a computer and edited using graphics programs

Output Devices

Receive information from the computer and display or print processed data to the user
Examples: Monitor, Projector, Printer, Plotter, Speaker

Computer Monitors

VDU (Visual Display Unit) displays information in an understandable format for humans
Traditional monitors were based on TV screen technology
Flat Screen Monitors use different technologies, taking up less room and using less energy

Graphics for Games

Advanced graphics cards contain a dedicated CPU for displaying graphics on the screen
Recent PCs have built-in advanced graphics capabilities

Multimedia Projectors

Projection devices attached to a computer, useful for displaying presentations to a group
Ideal for displaying Microsoft PowerPoint presentations

Printers

Output devices that produce hard copy outputs from the computer
Types of printers:
- Laser Printer: produces high-quality prints at high speed using laser technology
- Ink-jet Printer: ideal for low-volume printing, prioritizing high-quality prints over speed
- Dot Matrix Printer: uses pins and ink ribbon to print, with higher pin count (e.g., 24 pins) for better quality