Telephone : Cable : : Radio : ?

A Microphone
B Wireless
C Electricity
D Wire

Correct Answer: Wireless

Telephone এর জন্য দরকার Cable বা তার। Radio বা বেতার এর জন্য তারের প্রয়োজন পড়ে না। তাই শূন্যস্থানে Wireless হবে।
Bissoy MCQ
#বিসিএস প্রিলিমিনারি + রিটেন টেস্ট #৩৭ তম বিসিএস প্রিলিমিনারি টেস্ট #মানসিক দক্ষতা

Related Questions

Telephone:Cable:Radio?
A Microphone
B Wireless
C Electricity
D Wire
Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength
A i only
B ii only
C both i & ii
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Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
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In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
A PC
B synchronous port
C crossover cable
D asynchronous port
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Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
A Paperless office
B Electronic mail
C Global network
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E None of the above
In Bangladesh , BTRC provides bandwidth of internet services through submarine cable network . Which of the following submarine cable networks is connected with Bangladesh ?
A Southern Cross Cable
B SEA-ME-WE
C C2C North Ring
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In Bangladesh, BRTC provides bandwidth of internet services through submarine cable network . Which of the following submarine cable networks is connected with Bangladesh ?
A SEA-ME-WE
B FLAG
C Southern Cross Cable
D C2C North Ring
If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be
A 2 cm
B 10 cm
C 50 cm
D 400 cm
What problem can occur if a printer cable is to close to a power cable?
A ESD Electrostatic Discharge
B EMI Electromagnetic Interference
C parity error
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E None of the above
A ও B এর মধ্যে সর্বোচ্চ, গতিতে ডেটা আদান প্রদানের জন্য করা উচিত-i, HUB এর পরিবর্তে switch ব্যবহার ii. HUB এর পরিবর্তে রাউটার ব্যবহার iii. Twisted pair cable এর পরিবর্তে optical fiber cable ব্যবহার নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii

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