_________________ is a computer that provides resources to the other computer present on the network ?
Server.
Node.
Work station.
Terminal.
Number of bits per symbol used in band code is ?
7.
8.
5.
9.
Which of the following statement is correct ?
Teleprinters are used for printing at remote locations,not for input.
Teleprinters are same as teletypes.
Teleprinters are same as X 400.
Teleprinters have a printer for output and keyboard for input.
In communication satellite, multiple repeaters are known as ?
Detector.
Modulator.
Station.
Transponders.
Which of the following is used for modulation and demodulation ?
Modem.
Protocols.
Gateway.
Multiplexer.
A band is always equivalent to :
a byte
a bit
100 byte
none of the above
The main difference between synchronous and asynchronous transmission is ?
The clocking is derived from the data in synchronous transmission.
The pulse height is mixed with the data.
The clocking is mixed with the data in asynchronous transmission.
The band width required is different.
Communication between computers is almost always ?
Serial.
Parallel.
Series parallel.
Direct.
Devices on the network can communicate with device on the another network via a ?
File server.
Printer server.
Utility server.
Gate way.
Transferring data (usually a file ) from another computer to the computer you are using is called ___________ ?
Upload.
Download.
Copy.
Past.