Elements of Communication System
PHXII15:COMMUNICATION SYSTEMS

356741 Digital signals
(i) Do not provide a continuous set of values
(ii) Represent values as discrete steps
(iii) Can utilise binary system and
(iv) Can utilise decimal as well as binary systems
Which of the above statements are true?

1 (ii) and (iii)
2 (i), (ii) and (iii)
3 (i) and (ii)
4 All of (i), (ii), (iii) and (iv)
PHXII15:COMMUNICATION SYSTEMS

356742 This question has Statement -1 and Statement 2. Of the four choices given after the Statements, choose the one that best decribes the two Statements.
Statement - 1: Out of radio waves and microwaves, the radio waves undergo more diffraction.
Statement - 2: Radio waves have greater frequency compared to microwaves.

1 Statement 1 is true, Statement 2 is true, Statement 2 is the correct explanation of Statement 1.
2 Statement 1 is false, Statement 2 is true,
3 Statement 1 is true, Statement 2 is false,
4 Statement 1 is true, Statement 2 is true, Statement 2 is not the correct explanation of Statement 1.
PHXII15:COMMUNICATION SYSTEMS

356741 Digital signals
(i) Do not provide a continuous set of values
(ii) Represent values as discrete steps
(iii) Can utilise binary system and
(iv) Can utilise decimal as well as binary systems
Which of the above statements are true?

1 (ii) and (iii)
2 (i), (ii) and (iii)
3 (i) and (ii)
4 All of (i), (ii), (iii) and (iv)
PHXII15:COMMUNICATION SYSTEMS

356742 This question has Statement -1 and Statement 2. Of the four choices given after the Statements, choose the one that best decribes the two Statements.
Statement - 1: Out of radio waves and microwaves, the radio waves undergo more diffraction.
Statement - 2: Radio waves have greater frequency compared to microwaves.

1 Statement 1 is true, Statement 2 is true, Statement 2 is the correct explanation of Statement 1.
2 Statement 1 is false, Statement 2 is true,
3 Statement 1 is true, Statement 2 is false,
4 Statement 1 is true, Statement 2 is true, Statement 2 is not the correct explanation of Statement 1.
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