Related Questions

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
E None of the above
When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?
A 80
B 100
C 30
D 150
E None of the above
Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?
A defective modem
B defective computer
C software bug
D bad phone line
E virus
What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
A Handshaking
B Modem options
C Protocol
D Duplexing
E None of the above
A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose?
A Communications software
B Error detecting protocols
C Link access procedure (LAP)
D Telecommunications
E None of the above
MODEM শব্দটি তৈরি হয়েছে- i. Modulator এর Mo ii. Demodulator এর Dem iii. Demodulator এর Modem নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
A dealer had 24 mobile phones. He sold some of them at a profit of Tk. 950 each and he sold the rest at a loss of Tk. 500 each. If his total profit was Tk. 9,750, how many phones did he sell at a loss?
A 6
B 10
C 15
D 9
Twenty years ago mobile phones were not casily available in Bangladesh----fixed phones.
A until
B however
C atthough
D let alone
A modem is connected in between a telephone line and a
A communication adapter
B serial port
C computer
D network
A modem could be attached to which port?
A Parallel port
B ASYNC port
C Keyboard connector
D Video port
E None of the above

Next steps