Input Devices
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Input Devices -an In pu t de vice is any piece of computer hardware equipment used to provide data and control signals to an information processing system (such as a computer). BY:MARI KO MINOZA AND FLORANGELE JUMAWAN
EXAMPLES: • Keyboard-is a peripheral partially modeled after the typewriter keyboard.
• Physically, a keyboard is an arrangement of buttons, or keys. A keyboard typically has characters engraved or printed on the keys; in most cases, each press of a key corresponds to a single written symbol.
Image of a Keyboard
EXAMPLES: Mouse-is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface. -Physically, a mouse consists of a small case, held under one of the user's hands, with one or more buttons.
Image of a Mouse
EXAMPLES: • Joystick-is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. Joysticks are often used to control video games, and usually have one or more push-buttons whose state can also be read by the computer
• Image of a Joystick
EXAMPLES: • Scanner - A scanner is used to c opy pic tures or other th ings and sa ve t hem as fil es o n th e comp ute r.
•
Image of a Scanner
EXAMPLES: • Dis k Dr iv e - A dis k d rive c an hold a C D o r a flo ppy d is k. It reads th e in fo rma tio n o n the d is k so that the comp ute r c an use it.
•
Image of a Disk Drive
EXAMPLES: • Mic rophone A m icrophone is use d to record s ound. The s ound is then saved a s a s ound fil e on the c omputer.
•
Image of a Microphone
EXAMPLES: • Compact Disc (CD) CD s st ore info rmation. T he CD can t hen be put int o anot her computer , and t he informatio n can be opened and added or use d on the sec ond comput er. Note: A C D-R or CD RW can also be used as an OU TPUT device.
•
Image of a Compact Disc
EXAMPLES: • Cam era - m ost cameras like thi s are used duri ng li ve conv er sati ons . The camera transmi ts a pi cture from one computer to another, or can be us ed to record a shor t video.
• Image of a Camera
EXAMPLES: • Keyboard-is a peripheral partially modeled after the typewriter keyboard.
• Physically, a keyboard is an arrangement of buttons, or keys. A keyboard typically has characters engraved or printed on the keys; in most cases, each press of a key corresponds to a single written symbol.
Image of a Keyboard
EXAMPLES: Mouse-is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface. -Physically, a mouse consists of a small case, held under one of the user's hands, with one or more buttons.
Image of a Mouse
EXAMPLES: • Joystick-is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. Joysticks are often used to control video games, and usually have one or more push-buttons whose state can also be read by the computer
• Image of a Joystick
EXAMPLES: • Scanner - A scanner is used to c opy pic tures or other th ings and sa ve t hem as fil es o n th e comp ute r.
•
Image of a Scanner
EXAMPLES: • Dis k Dr iv e - A dis k d rive c an hold a C D o r a flo ppy d is k. It reads th e in fo rma tio n o n the d is k so that the comp ute r c an use it.
•
Image of a Disk Drive
EXAMPLES: • Mic rophone A m icrophone is use d to record s ound. The s ound is then saved a s a s ound fil e on the c omputer.
•
Image of a Microphone
EXAMPLES: • Compact Disc (CD) CD s st ore info rmation. T he CD can t hen be put int o anot her computer , and t he informatio n can be opened and added or use d on the sec ond comput er. Note: A C D-R or CD RW can also be used as an OU TPUT device.
•
Image of a Compact Disc
EXAMPLES: • Cam era - m ost cameras like thi s are used duri ng li ve conv er sati ons . The camera transmi ts a pi cture from one computer to another, or can be us ed to record a shor t video.
• Image of a Camera
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