Podcast
Questions and Answers
What is the primary purpose of OMR technology?
What is the primary purpose of OMR technology?
To recognize specific marks and characters in computerized tests like multiple choice tests.
What is the main application of MICR in banking?
What is the main application of MICR in banking?
To print and read account numbers and other information on cheques.
How does OCR technology recognize text?
How does OCR technology recognize text?
By recognizing text within a digital image.
What is a common use of OCR technology?
What is a common use of OCR technology?
Signup and view all the answers
What is the main difference between MICR and OCR?
What is the main difference between MICR and OCR?
Signup and view all the answers
How do computers process MICR-encoded information?
How do computers process MICR-encoded information?
Signup and view all the answers
What is the main advantage of using OMR technology?
What is the main advantage of using OMR technology?
Signup and view all the answers
What is a key application of OCR technology in document processing?
What is a key application of OCR technology in document processing?
Signup and view all the answers
How does OCR technology improve document accessibility?
How does OCR technology improve document accessibility?
Signup and view all the answers
What is the primary goal of character recognition technologies like MICR and OCR?
What is the primary goal of character recognition technologies like MICR and OCR?
Signup and view all the answers
Study Notes
Video Input
- Videos are essential for entertainment and creative work on computers
- Videos can be inputted into the computer by:
- Recording directly from a webcam
- Transferring from a cell phone, digital camera, or dedicated video camera
- Microsoft Windows provides a basic video editing program called Windows Movie Maker
- Apple's equivalent is iMovie
Audio Input
- Audio is an important type of input for users
- Audio can be used for:
- Recording and mixing music
- Recording narration for presentations and videos
- Inputting text in PowerPoint
- Giving computer commands
- To input live sound, a microphone is needed
- Most laptops have a built-in microphone, but desktop computers need an external microphone
- Voice recognition software, such as Dragon Home or Professional, allows users to give commands or dictate text to the computer
Voice Recognition
- Voice recognition software can learn to recognize the user's speech and pronunciation
- It is a great tool for users who are physically disabled
- Windows provides a basic program called Speech Recognition
Audio Output
- Clear output from computers is essential for the user experience
- Sound is used to:
- Give user feedback when interacting with the computer
- Help disabled people use computers by reading interface items aloud
- Make games more realistic
- Turn computers into entertainment devices by playing music and movies
- Modern computers have onboard sound circuitry that allows them to record and playback sound
- External speakers or headphones are needed to produce the sound
Data Projectors
- Data projectors are output devices that connect to a computer and project images onto a screen or wall
- They are useful for presenting to large groups of people
- Various projector models use different technologies
Character Recognition
- OMR (Optical Mark Recognition) is used for computerized tests like multiple-choice tests
- MICR (Magnetic Ink Character Recognition) is used for bank cheques to recognize account numbers and other information
- OCR (Optical Character Recognition) is used to recognize text within digital images, commonly used for scanned documents and images
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Learn about different types of input devices, including video and audio, and how they are used in computers. Discover how to input video and audio into computers and basic editing software.
