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
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