Computer Science 9 Chapter 4 MCQs Test 1

Rate of change of electrical signals per second is called:

Which of the following device is used for connecting computers together in wireless local area networks?

Which of the following is NOT a communication device?

The process of converting digital signals into analog signals is called:

In which of the following impairment, the strength of signal falls off with distance?

What represents the overall data transmission capacity of a computer network?

Which of the following is similar between Synchronous and Asynchronous transmission?

Which of the following impairment refers to undesired signals that enter the path of the transmitted signal due to electromagnetic radiation?

Which transmission media uses light waves for transmitting information?

The process of converting analog signals into digital signals is called:

Which of the following is NOT included in guided media?

Which of the following device is used for connecting computers together in wired local area networks?

____________ is the set of rules between the two communicating devices.

In which type of data transmission start/stop bits are used?

‘Pairing’ of devices is done in:

In which of the following transmission, time interval between the characters is always same?

The purpose of twisting the cables is:

Which of the following is used for short-distance communication?

LAN stands for:

Which of the following device forwards information from one network to another by selecting the best pathway available?