Digital Camera:

 Digital Camera: 

                                  Digital Camera is an input device that takes pictures and stores them as digital images. Digital cameras store captured images in the camera or on some type of memory card. photos taken with a digital cameras are typically transferred to a computer using a wired or wireless connections. Many digital cameras allow the user to edit the image. the number of digital photos depends on the amount of memory in the cameras. it does not require any film processing. Many smartphone and other mobile device have built-in digital cameras. 

Digital still cameras are available in a wide variety of size and capabilities. Today cameras are typically between 5 and 20 megapixels. The quality of digital camera photo depends on its resolutions.

 

Types of Digital Cameras: 

                                                      Some important digital Cameras are as follows; 

Point-and- shoot  Camera :

                                                         A point-and- shoot cameras is an affordable and lightweight digital cameras. it  has lenses built into it and a screen that displays an approximation of the image to be photographed. Most point and shoot camera includes zoom and autofocus capability and use built-in-flash. Many point-and- shoot  cameras can also take videos. 

DSLR Camera :

                                   DSLR (Digital Single Lens Reflex)  Camera in the most versatile and expensive type digital cameras. it allow the user to change the lens to get the required zoom. Many DSLRs can also record high definition videos. DSLR camera are much heavier and large than point-and- shoot cameras.

 

Video Input:

                       The process of entering full- motion  recording  into  a computer  is called   videos input or video capture. An expansive card that converts the along video signal into digital  signal  is called  video capture card. 

                Two types of video capture cards are as follow:

 

Frame- grabber video card: 

                                                            It can capture and converts into digital form only a single frame at a time. An image of a video at a specific time a  called  frame.

 

Full motion video  Card :

                                                    It is also called adapters. it can converts along to digital signals at the rate of  up to 30  frame per seconds. 

                                           Webcams:

                             coming soon.........