Technology Briefing
Information Systems Hardware
Key Elements of Information Systems Hardware
• Input Devices
– Used to enter information into a computer
• Processing Devices
– Transform inputs into outputs.
• Output Devices
– Deliver information to users in a usable format
Input: Mouse and Keyboard
Output: Monitor
Processing: CPU
Input Devices
• Entering Text and Numbers
– Keyboard
• Traditional
• Ergonomic
• Virtual
Pointing and Selecting Devices
E.g., mouse, light pen, touch pad, touch screen, joystick, and eye-tracking device
Entering Batch Data
• Used for repetitive information
– Scanners
• Handheld scanner
• Flatbed scanner
Other Scanning Technologies
• Text recognition software
• Optical character recognition (OCR)
• Optical mark recognition (OMR)
• Magnetic ink character recognition (MICR)
• Barcode readers
• Smart Cards
• Contain:
• microprocessor chip
• memory circuits
• magnetic stripe
• Uses:
• Photo-identification cards
• Biometric devices
• Read:
• Fingerprints
• Face geometry
Audio Input
Audio - sound that has been digitized
• Voice Input
– Microphone
– Speech recognition
– Voice-to-text software
• Other Forms of Audio Input
– Electronic keyboards
– Transfer from another device
Video Input
• Digital camera
• Streaming video
o Compressed form of video that can be sent over the Internet
• Streaming media
o Streaming video with sound
Information Systems Hardware
Key Elements of Information Systems Hardware
• Input Devices
– Used to enter information into a computer
• Processing Devices
– Transform inputs into outputs.
• Output Devices
– Deliver information to users in a usable format
Input: Mouse and Keyboard
Output: Monitor
Processing: CPU
Input Devices
• Entering Text and Numbers
– Keyboard
• Traditional
• Ergonomic
• Virtual
Pointing and Selecting Devices
E.g., mouse, light pen, touch pad, touch screen, joystick, and eye-tracking device
Entering Batch Data
• Used for repetitive information
– Scanners
• Handheld scanner
• Flatbed scanner
Other Scanning Technologies
• Text recognition software
• Optical character recognition (OCR)
• Optical mark recognition (OMR)
• Magnetic ink character recognition (MICR)
• Barcode readers
• Smart Cards
• Contain:
• microprocessor chip
• memory circuits
• magnetic stripe
• Uses:
• Photo-identification cards
• Biometric devices
• Read:
• Fingerprints
• Face geometry
Audio Input
Audio - sound that has been digitized
• Voice Input
– Microphone
– Speech recognition
– Voice-to-text software
• Other Forms of Audio Input
– Electronic keyboards
– Transfer from another device
Video Input
• Digital camera
• Streaming video
o Compressed form of video that can be sent over the Internet
• Streaming media
o Streaming video with sound