barcode reader mostly used in……….
a) supermarkets
b) pharmacy
c) libraries
d) all of these
a device that captures a fingerprint and translate into digital code……….
a) barcode reader
b) fingerprint reader
c) none of these
d) a & b
reader mostly
used for…….
a) criminal investigations
b) security systems
c) user’s authentication
d) all of these
barcode reader is a device…………
a) input device
b) output device
c) storage device
d) display device
A video game is
played by using……….
a) sound
b) modem
c) graphic
d) network interface
robot is a device which is controlled by…
a) hardware
b) software
c) program
d) b & c
