Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Digital Cameras and 3D Scanners Overview

13 Questions

0 Views

Digital Cameras and 3D Scanners Overview

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What device is responsible for converting light to electricity in digital cameras?

Lens

Charge Coupled Device (CCD) (correct)

Bluetooth

ADC

Which technology is used to convert hardcopy paper documents into digital form?

Bluetooth

OCR (Optical Character Recognition) (correct)

Computer Tomographic

3D Scanner

What is the purpose of ADC in the digital representation process?

Converting 2D slices from X-rays

Converting analog signals to digital signals (correct)

Capturing 3D objects

Converting light to electricity

In hospitals, what technology is commonly used to capture 3D objects for further processing?

Computer Tomographic Signup and view all the answers

What is the main function of a 3D printer after receiving data from x,y,z coordinate scanners?

Creating a 3D image of a solid object Signup and view all the answers

How are 0-9 numbers represented in barcode scanners?

By unique lines with different codes for each digit Signup and view all the answers

What type of light is used to read barcodes?

Red light Signup and view all the answers

What happens in a barcode scanner when it encounters a dark area in the barcode?

The light is absorbed and no reflection occurs Signup and view all the answers

What is the main advantage for supermarkets in using barcodes?

Automatic stock control Signup and view all the answers

How are QR codes different from traditional barcodes?

They can store internet addresses Signup and view all the answers

What makes QR codes advantageous for advertising products?

They allow framing of advertisements inside the code Signup and view all the answers

What is a disadvantage of using keyboards as input devices?

Frequent use can lead to injuries like RSI Signup and view all the answers

How does a microphone convert sound waves into electrical current?

"By passing sound waves through a copper wire and magnetic field" Signup and view all the answers