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MODUL 3 ENG

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Definition of ..... is digital modulation that carrier wave is modulated base on different frequencies

a)

BPSK

b)

PSK

c)

FSK

d)

ASK

2.

The picture shows a waveform output signal of...

a)

ASK

b)

FSK

c)

QAM

d)

PSK

3.

PSK modulation that have number of bits in each symbol is 4, the type of ..... modulation

a)

BPSK

b)

QPSK

c)

8 PSK

d)

16 PSK

4.

The picture shows a block diagram of .......

a)

ASK Demodulation

b)

ASK Modulation

c)

BPSK Demodulation

d)

BPSK Modulation

5.

A code where a transition (low to high or high to low) at the start of a bit time will be known as binary 1 for that bit time and no binary transition means 0 is the definition of.....

a)

NRZ-I

b)

NRZ-L

c)

RZ

d)

Manchaster

6.

... is the forms of modulation by changing the phase of the carrier frequency according to information in the form of binary data .

a)

PSK

b)

ASK

c)

QAM

d)

FSK

7.

The picture shows a constellation diagram of .......

a)

QAM

b)

BPSK

c)

QPSK

d)

ASK

8.

PSK modulation that has several bits in each symbol is 2, the type of ..... modulation

a)

BPSK

b)

QPSK

c)

8 PSK

d)

16 PSK

9.

The picture shows a block diagram of .......

a)

PSK Demodulation

b)

PSK Modulation

c)

ASK Demodulation

d)

ASK Modulation

10.

Definition of ..... is the modulated signal in two states, 0 means no signal and bit 1 if there is a signal with a certain quantity

a)

FSK

b)

PSK

c)

OOK

d)

QAM