7. Peripheral Devices Flashcards
Which light technology is used by a bar code reader to read the bar QR codes?
Laser
Which plug format is considered as the most common connector for connecting input devices, such as scanners or bar code readers, to a computer?
USB
How do biometric computer security devices connect to a computer function?
By reading fingerprints or retinal patterns.
What is commonly used with a digitiser to input handwritten notes on a touch-sensitive screen?
Stylus tool
Which form of wireless connection is primarily used by joysticks or game pads?
Bluetooth
Which device allows a user to connect to to more than one computer while still using the same input devices?
KVM switch
Which ports can be used to connect external speakers to a PC?
USB or 1/8 inch mini jack
What is needed when you install a device onto a motherboard in order for that device to be initialised?
Drivers
Which windows operating system can use a webcam as a biometric reader?
Windows 10
Which security device employs a source of focused light or light sensor that works in conjunction with a security camera to detect any movement?
Motion detector
Which touch screen category uses two transducers one for receiving and one for sending along x and y axes of the devices screen?
Surface acoustic wave system
Which biometric reader is generally located near the keyboard of a laptop?
Fingerprint scanner
Which components use the 1/8 inch mini jack port to connect to a computer?
Headsets and microphones.
SDXC
Secure Digital Extended Capacity
SDHC
Secure Digital High Capacity
