1. How many types of communication are there ?
(a) 2
(b) 3
(c) 4
(d) 5
Ans :- (a) 2
2. What is the procedure called for exchanging messages ?
(a) Call
(b) Message
(c) Communication
(d) Group
Ans :- (c) Communication
3. What is the 3-letter secret group that hides the identity of a formation or unit called?
(a) Appartment Code
(b) Code Sign
(c) Phonetic Language
(d) Secret Code
Ans :- (b) Code Sign
4. What is the full form of RT ?
(a) Radio Transmeter
(b) Radio Transfer
(c) Radio Term
(d) Radio Telephony
Ans :- (d) Radio Telephony
5. What type of device is a computer ?
(a) Chargeable
(b) Electronic
(c) Alphabetic
(d) None of these
Ans :- (b) Electronic
6. What is the benefit of Wi-Fi ?
(a) Power saving
(b) Low cost
(c) Mobile data
(d) Small set
Ans :- (c) Mobile data
7. How many types of calls are there ?
(a) 2 types
(b) 5 types
(c) 6 types
(d) 3 types
Ans :- (d) 3 types
8. Radio communication is done in two ways: …….. and ………
(a) Open and Close
(b) Radio and Line
(c) Net Radio and Radio Relay
(d) Warning and Executive
Ans :- (c) Net Radio and Radio Relay
9. What is a cell phone also known as ?
(a) Mobile phone
(b) Telephone
(c) Microphone
(d) None of these
Ans :- (a) Mobile phone
10. How many types of information systems are required in any organization ?
(a) 2 types
(b) 3 types
(c) 4 types
(d) 5 types
Ans :- (c) 4 types
11. Which of the following is not a new medium of information technology ?
(a) Computer
(b) Internet
(c) Email
(d) Telephone
Ans :- (d) Telephone
12. What does the letter “B” stand for in the RT procedure’s BASS principle ?
(a) Brave
(b) Bravity
(c) Bravo
(d) Blood
Ans :- (b) Bravity
13. How many network systems of about 100 countries are connected to the internet ?
(a) 31000 countries
(b) 30000 countries
(c) 35000 countries
(d) 3000 countries
Ans :- (a) 31000 countries
14. How many channels are there in a Motorola set and a walkie-talkie ?
(a) 6
(b) 16
(c) 5
(d) 20
Ans :- (b) 16
15. What is the full form of AI ?
(a) Aircraft Intelligence
(b) Artificial Intelligent
(c) Artificial Intelligence
(d) Airforce Intelligence
Ans :- (c) Artificial Intelligence
16. What is another name for a mobile phone ?
(a) Cellular
(b) Nokia
(c) Airtel
(d) Battery
Ans :- (a) Cellular
17. What is the principle of radio telephony procedure ?
(a) BASS
(b) BESS
(c) BOSS
(d) BUSS
Ans :- (a) BASS
18. What does the word “computer” mean ?
(a) Common Operating Machine
(b) Operating Register
(c) Operating Process
(d) Operating Projector
Ans :- (a) Common Operating Machine
19. What is the range of a Motorola set ?
(a) 02-03 km
(b) 04-05 km
(c) 05-06 km
(d) 07-08 km
Ans :- (b) 04-05 km
20. How many types of calls are there ?
(a) 2
(b) 5
(c) 3
(d) 4
Ans :- (c) 3
21. Which of the following are parts of a walkie-talkie ?
(a) Antenna
(b) Battery
(c) Channel
(d) All of the above
Ans :- (d) All of the above
22. What is the formal name for a walkie-talkie ?
(a) Radio Set
(b) Radio Transmeter
(c) Hand Held Transmeter
(d) Radio Receiver
Ans :- (c) Hand Held Transmeter
23. How many types of radio communication are there ?
(a) 1
(b) 2
(c) 3
(d) 4
Ans :- (b) 2
24. What are the types of radio telephony communication ?
(a) RT Conversation
(b) Formal Message
(c) Undergistard (UP) Message
(d) All of the above
Ans :- (d) All of the above
25. When a call is addressed to all radio stations, what is it called ?
(a) Single Call
(b) Net Call
(c) Multiple Call
(d) None of the above
Ans :- (b) Net Call
26. In the RT procedure, what does the letter ‘A’ in BASS mean ?
(a) Army
(b) Air Force
(c) Artificial
(d) Accuracy
Ans :- (d) Accuracy
27. In the RT procedure, what does the letter ‘B’ in BASS mean ?
(a) Brave
(b) Bomb
(c) Brevity
(d) Blood
Ans :- (c) Brevity
28. In the RT procedure, what does the ‘SS’ in BASS mean ?
(a) Swift and Secure
(b) Simplex and Swift
(c) Security and Speed
(d) Simple and Secure
Ans :- (c) Security and Speed
29. Which of the following words are used in radio telephony ?
(a) Over
(b) Roger
(c) Wilco
(d) All of the above
Ans :- (d) All of the above
30. Who invented the telephone ?
(a) Newton
(b) CV Raman
(c) Alexander Graham Bell
(d) Marie Curie
Ans :- (c) Alexander Graham Bell
31. When did Wi-Fi come into existence ?
(a) 1999
(b) 1998
(c) 1997
(d) 1991
Ans :- (c) 1997
32. What is the Apartment Code for Commander ?
(a) Eagle
(b) Tiger
(c) Bull
(d) Elephant
Ans :- (b) Tiger
33. What is the Apartment Code for Ordnance ?
(a) Eagle
(b) Tiger
(c) Bull
(d) Elephant
Ans :- (d) Elephant
34. Which radio set is used in military forces ?
(a) Midland G7 Pro
(b) ICOM-10
(c) KENWWOOD
(d) GP 338 Motorola
Ans :- (d) GP 338 Motorola
35. What is the range of Troposcatter ?
(a) 70-1000 km
(b) 50-500 km
(c) 60-600 km
(d) 80-800 km
Ans :- (a) 70-1000 km
36. Which of the following is not part of information technology ?
(a) Computer
(b) Internet
(c) Telephone
(d) Email
Ans :- (c) Telephone
37. What is the distance between transmitter and receiver in radio relay communication ?
(a) 10-15 km
(b) 20-35 km
(c) 15-20 km
(d) 40-50 km
Ans :- (b) 20-35 km
38. What is included in radio communication ?
(a) Open and Close
(b) Net Radio and Radio Relay
(c) Radio and Line
(d) Radio and Internet
Ans :- (b) Net Radio and Radio Relay
39. How many types of electromagnetic wave propagation are there in radio communication ?
(a) 3
(b) 4
(c) 5
(d) 6
Ans :- (b) 4
40. Which application can be used for video conferencing ?
(a) Google Meet
(b) Cisco Webex
(c) Zoom
(d) All of the above
Ans :- (d) All of the above
41. When did India launch its first satellite ?
(a) 19 April 1975
(b) 19 April 1978
(c) 19 April 1973
(d) 19 April 1999
Ans :- (a) 19 April 1975
42. Who developed the walkie-talkie ?
(a) Donald L. Hings
(b) Alfred J. Gross
(c) Motorola’s engineering team
(d) All of the above
Ans :- (a) Donald L. Hings
43. Which of the following is not a communication satellite ?
(a) CARTOSAT-3
(b) GSAT-10
(c) GSAT-7C
(d) INSAT-3A
Ans :- (a) CARTOSAT-3
44. What is the height of the troposphere used by Tropo Scatter ?
(a) 15 km
(b) 20 km
(c) 25 km
(d) 30 km
Ans :- (b) 20 km
45. In which band does the GP338 Motorola operate ?
(a) HF & VHF
(b) VHR
(c) UHF
(d) VHF & UHF
Ans :- (d) VHF & UHF
46. How many zones and channels does the GP338 Motorola have ?
(a) 4 and 128
(b) 8 and 128
(c) 8 and 64
(d) 4 and 64
Ans :- (b) 8 and 128
47. In which mode does the GP338 Motorola operate ?
(a) 2 Way Duplex
(b) 1 Way Simplex
(c) 2 Way Simplex
(d) 1 Way Duplex
Ans :- (c) 2 Way Simplex
48. What does Radio Relay mean ?
(a) Sequence of radio transmitters and receivers
(b) Radio and communication
(c) Radio and set
(d) Radio and television
Ans :- (a) Sequence of radio transmitters and receivers
49. How many people were using mobile phones in the world at the end of 2010 ?
(a) 7.26 billion
(b) 3.5 crore
(c) 4.6 billion
(d) 10 lakh
Ans :- (c) 4.6 billion
50. Through which medium does a modem transmit a digital signal ?
(a) Radio set
(b) Email
(c) Mobile phone
(d) Telephone line
Ans :- (d) Telephone line
51. On which transmission medium cannot fax be used ?
(a) Microwave Radio
(b) Telephone
(c) Line
(d) Hand Held Radio Set
Ans :- (d) Hand Held Radio Set
52. Which micro waves are transmitted in the Tropo Scatter system ?
(a) High Frequency and Very High Frequency (HF & VHF)
(b) Very High Frequency and High Frequency (VHF & HF)
(c) Ultra High Frequency and Super High Frequency (UHF & SHF)
(d) Super High Frequency and Very High Frequency (SHF & VHF)
Ans :- (c) Ultra High Frequency and Super High Frequency (UHF & SHF)