PART – A (2 Marks)
(Minimum of 20
Questions in each Unit of type MCQ, True or False or open question type, no
maximum limit)
Unit – I
1. -----------------is the inventor of the first
portable handset.
a) Alexander Graham Bell b) Thomas Alva Edison c) Dr.
Martin Cooper d) None
Answer: c) Dr. Martin
Cooper
2. Expansion of GSM
a)
Global System for Mobile
Communications
b)
Global Standard for Mobile
Communications
c)
General System for Mobile Communications
d)
None
Answer: a) Global System for Mobile
Communications
3. CDMA stands for
a) Code Direct Multiple Access b) Central Division Multiple Access
c) Code Division Multiple Access d)
None of these
Answer: c) Code Division Multiple Access
4. GPRS stands for
a)
General packet radio system b)
General packet radio service
c)
General packet radio station d) None
Answer: b)
General packet radio service
5. 1G support only the _____________
Technology
a)
Digital b) Analog c)
Both a)&b)
d)None
Answer: b) Analog
6. Current measured in __________
a)
ampere b) Volt c)
ohm d) None of these
Answer: ampere
7. Voltage measured in____________
a)ampere b) Volt c)
ohm d) None of these
Answer: b) Volt
8. Resistance measured
in____________
a)ampere b) Volt c)
ohm d) Mhz
Answer: c) ohm
9. _________ is a passive two-terminal electrical component
used to store energy electro statically in an electric field
a)Diode b) Resister c)
Capacitor d) Transformer
Answer: c) Capacitor
10. ____________resists the flow of current in an
electronic circuit
a)Diode b) Resister c)
Capacitor d) Transformer
Answer: b) Resister
11. _______is an
electronic device that can allow the electric current to flow in one direction
only
a)Diode b) Resister c)
Capacitor d) Transformer
Answer: b) Resister
12. Which components convert the sound waves to digital
signal_________
a) Speaker b) Microphone c)
vibrating motor d) none
Answer: Microphone
13. Which components convert the digital signal to sound
waves------------
Answer: a) Speaker
14. ____________ is the important component of microphone
a) Silicon b)
diaphragm c) resister d) none
Answer: b) diaphragm
15. LED stands for__________
a) Light Emitting Diode b) Light Emitting Digital
c) Light Electrical Diode d) none
Answer: a) Light Emitting Diode
16. TFT stands for___________
a) Thin Film Transistor b) Thin Film Transformer c)
Thick Film Transistor d) None
Answer: a) Thin Film Transistor
17. ___________ is a
safety device that lies in series in a circuit between an electrical source and
its associated load.
a) diode b)
capacitor d) fuse d) resister
Answer:
d) fuse
18. quartz crystal used to
a) Keep time b)
charging c)filtering d) None
Answer: a) Keep time
19. Capacitor unit measured by
a) Ampere b) Volt c) Farad d) none
Answer: c) Farad
20. _________ is an instrument used to check for AC or DC
voltages
a) Multimeter a) Speaker b) Microphone c)
vibrating motor
Answer: a) Multimeter