Input Devices Flashcards
What factor determines the amount of memory required to store an image?
The number of pixels determines the amount of memory the photo captured will occupy.
What are the advantages of digital cameras over traditional cameras?
Digital cameras do not require a film. These cameras can be connected to a computer using USB, Wi-Fi or Bluetooth connectivity and the photos and videos can be transferred in seconds.
How can we reduce the memory occupied by a photo?
By reducing its resolution.
Name a technology that enables disabled to interact with a computer.
Speech recognition system
How does a computer interpret signals from a keyboard?
Each character has a unique ASCII code. When a key is pressed, it is converted into a digital signal, which the computer interprets.
State an application of a voice recognition system.
Security systems
Why is developing a speech recognition system a challenging task?
Training a computer for speech recognition is a difficult task. Developers find it challenging to develop speech recognition systems due to different dialects and accents of users.
