Analog and Digital Signal

Q. Analog signal usually contain more data than digital signal in same space.

1. True
2. False

Q. Protocol in which station listen for a carrier and act accordingly are called

1. None of the above
2. Persistent protocol
3. Broadcasting protocol
4. Carrier sence protocol

Q. To avoid transmission errors, a check sum figure is calculate by ______________.

1. Transmitting computer
2. Receiving computer
3. Both (a) and (b)
4. None of above

Q. CDMA (Code Division Multiple Access)

1. avoids time synchronization problem and the channel allocation problem
2. All of the above
3. allows each station to transmit over the entire frequency spectrum all the time
4. It is completely decentralized and fully dynamic

Q. ntWhat is the frequency of DCO if two SCOs are 5% and 10% and this also shows 20% interference ? A 5% B 2% C 0.5% D 0.4%n

Q.

Which type of signal can store more data in limited space?

1. Analog signals

2. Digital signals

3. All of these

4. Discrete signals

Q. Which is a unit representing the no bits of discrete?

1. Baud
2. Byte
3. Bit
4. All of the above
5. None of the above

Q. Analog signal usually contain more data than digital signal in same space.

1. False
2. True

Q. The basic difference between broad band and baseband is

1. availability
2. capacity
3. transmission
4. reliability