Input And Output(module 1.2) Flashcards
What is input?
Input can provide the running software with instructions on what to do next
What do digital cameras range from?
Smartphone cameras to digital cameras to top end DLSR
What are the advantages of a digital camera?
A digital camera allows you to take thousands of cameras
The camera can also take videos
You can easily transfer the images you want to edit to a computer cause the pictures are already in digital
What is the advantage of a larger lense
Larger lenses capture more light, which improves image quality
What is the difference between optical zoom and digital zoom
Optical zoom uses lenses on the camera to get closer to the object . Digital zoom is like using the magnifying glass in an image editing so
What is biometric input used for?
It is used for security reasons
What are the advantages and disadvantages of biometric input
Advantages:
- It is more secure than passwords
- difficult to defeat
Disadvantages:
- Expensive to implement and import
- needs additional hardware and software.
What are barcodes and rfid tags?
Both are used to automatically recognize a product
RFID tags store data on the tag
Barcodes need scanners
What are display device and list the disadvantages
Allow user interaction and give feedback to the user
Disadvantages include taking breaks to avoid eye strain
Name the two types of printers
Laser- cheaper to run
Inkjet-better for printing photos
What are the key specifications
Speed , resolution, paper options
What is an interactive white board?
A whiteboard connected to a computer that acts like a large touch screen
What are the advantages of interactive whiteboards?
Content on board can be saved, whole class participation, different learning styles can be accommodated.
What are the disadvantages of interactive whiteboards
Room needs to be dimly lit,needs special markers
