Q. If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is

View solution

Q. Which of the following is a voice band channel?

View solution

Q. What are the data transmission channels available for carrying data from one location to another?

View solution

Q. What frequency range is used for FM radio transmission?

View solution

Q. If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?

View solution

Q. Bandlimited signal is

View solution

Q. Identify the odd term amongst the following group:

View solution

Q. The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is

View solution

Q. The encoding method specified in the EIA-232 standard is _____.

View solution

Q. The transmission signal coding method of TI carrier is called

View solution

Q. In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and

View solution

Q. Which of the following is considered a broadband communications channel?

View solution

Q. A decrease in magnitude of current, voltage, a power of a signal in transmission between points, is known as

View solution

Q. Data communications monitors available on the software market include

View solution

Q. Which of the following statement is correct?

View solution

Q. The data communication support should include, but is not restricted to

View solution

Q. Which of the following statement is correct?

View solution

Q. In a synchronous modem, the receive equalizer is known as

View solution

Q. After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?

View solution

Q. Which of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices?

View solution