Ultrasonic sound has the frequency:
a) 5k Hz to 10k Hz
b) 10k Hz to 15k Hz
c) 15k Hz to 20k Hz
d) above 20k Hz
The light that travels along the
fiber is made up of:
a) binary code
b) single code
c) tertiary code
d) all of these
Identify an input device in the following:
a) Monitor
b) speaker
c) Printer
d) Mouse
Electrocardiography is a technique of recording bioelectric currents generated by:
a) brain
b) heart
c) spinal cord
d) kidneys
A magnetic resource imaging scan produces cross sectional images of the body using:
a) ultrasound waves
b) strong magnetic field and radio waves
c) x-rays
d) infrared rays
Identify the output device in the following:
a) Mouse
b) Keyboard
c) Microphone
d) Printer
