d
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
a
by at 2024-11-06 10:35:39