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SUMMER   ASSIGNMENT,[object Object],RESEARCH WORK,[object Object],OF ,[object Object],COMPUTER ,[object Object]
TOPIC :,[object Object],INPUT DEVICES,[object Object],BY,[object Object],SYEDA FIZZA RIZVI,[object Object],IX-C,[object Object]
 TODAY OUR PERFOMA IS TO,[object Object],KNOW ABOUT:,[object Object],INPUT DEVICES,[object Object],[object Object]
OPTICAL DEVICES
POINTING DEVICES,[object Object]
AUDIO VISUAL DEVICES,[object Object],audio-visual refer to works with both a sound and a visual component, the production or use of such works, or to equipment used to create and present such works. Slide tape presentation, films and television program are examples of audio-visual presentations.,[object Object]
LIST OF AUDIO VISUAL DEVICE,[object Object],[object Object]
VIDEO CAMERA.
WEB CAMERA.
MICROPHONE.
GRAPHIC TABLET.,[object Object]
Create a full color image-excellent for inputting photographs.
The number of pixels can be adjusted  to suit the image being taken.,[object Object]
Video camera,[object Object],A digital video camera uses similar technology to a digital camera, it can even take still images just like a digital camera. A good digital video camera can take HD (High Definition) video footage and store much longer clips. They either use an internal hard disk, or a large solid state memory card. The input devices on a video camera include,[object Object],[object Object]
. Microphone to capture sound ,[object Object]
WEB CAMERA,[object Object],A webcam is short for 'web camera'.,[object Object],A webcam is an input device because it captures a video image of the scene in front of it. It is either built in to the computer (e.g. laptop) or it is connected through an USB cable.,[object Object],The video data from a web cam is low quality compared to a full video camera. However it is good enough for web chats (e.g. using a messenger application such as,[object Object], MSN Messenger or Skype). ,[object Object]
MICRO PHONE,[object Object],A microphone can be used to input sound.,[object Object],The sound is detected by the microphone and an electrical signal is transmitted to the computer. Special hardware is used to convert this analogue data into digital data so it can be stored and manipulated.,[object Object],Dictating like this can be much quicker,[object Object], than typing but the software isn't,[object Object], perfect and it can interpret a word ,[object Object],incorrectly.,[object Object], ,[object Object]
GRAPHIC TABLETS,[object Object],Graphics tablets are often use by,[object Object],graphics designers and illustrators.,[object Object],A graphics tablet consists of a flat pad (the tablet) on which you draw with a special pen. As you draw on the pad, the image is created on the screen.,[object Object],Advantages,[object Object],[object Object]
A great level of accuracy can be achieved,[object Object]
LIST OF COMPUTER OPTICAL ,[object Object],DEVICES,[object Object],[object Object]
CD-ROM drive
ATA/IDE
EIDE
DVD,[object Object]
CD – ROM DRIVE,[object Object],A CD-ROM drive is a device that can read information from a Compact disc. CD-ROM drives can be either internal, in which case they fit in a drive bay, or external, in which case they are usually connected to the computer’s parallel port or SCSI port.,[object Object], you should consider how the drive connects to your computer. Most CD-ROMs connect via a SCSI bus. If your computer does not already contain such an interface, you will need to install one.,[object Object]
ATA/IDE,[object Object],ATA (Advanced Technology Attachment) and IDE (Integrated Drive Electronics) both refer to disk drive designs that integrate the controller into the drive to reduce the interface cost and to ease firmware implementation.,[object Object],ATA/IDE HARD DISK,[object Object]
EIDE,[object Object],EIDE, short for Enhanced IDE, is a new version of the IDE mass storage device interface standard developed by Western Digital Corporation,[object Object],it can support mass storage devices of up to 8.4 gigabytes per device, whereas the old standard was limited to 528MB. Because of its lower cost, enhanced IDE is expected to replace SCSI in many areas.,[object Object]
DVD,[object Object],                 (DIGITAL VERSATILE DISK),[object Object],DVD, short for Digital Versatile Disk, is the newest standard for optical storage, which specifies a disk that is the same size as a standard CD but is able to hold much more information.,[object Object],The main attraction for PC users is the larger capacity of the DVD disk. The capacity will be 17gig on a double-sided dual layer disk, 8 gig on a single sided dual layer, and 8.4 gig on a CD-R which only be single layer but could be double or single sided. The PC will also be able to play DVD-Audio and DVD-Video; two standards developed primarily for home electronics devices. New ROM drives, called DVD-ROM, will be arriving on the market to accommodate the new disk format.,[object Object]
POINTING DEVICES,[object Object],A pointing device is an input interface (specifically a human interface device) that allows a user to input spatial (i.e., continuous and multi-dimensional) data to a computer,[object Object],LIST OF POINTING DEVICE :,[object Object],[object Object]
Joystick.
Touch pad.
Key board.

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Input devices