Question 1 : The Z-transform is only for discrete signals.
1. True
2. False
3.
4.
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Question 2 : The convolution of a function with an impulse function delayed to an instant 3 in time results in ____________
1. An advance in the function by 3 units in time
2. The function itself
3. A delay in the function by 3 units in time
4. Cannot be determined
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Question 3 : The R.O.C. of impulse function is _________
1. The entire z-plane
2. Interior to the unit circle |z|=1
3. Exterior to the unit circle |z|=1
4. Between the unit circle |z|=1 and |z|=∞
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Question 4 : plot([0:1:8],[rectpulse(1,9)]') and plot([0:1:8],ones(1,9)) will generate the same graph.
1. True
2. False
3.
4.
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Question 5 : The signal get shifted by 1 units in time due to the following code: conv([ 1 2 3],[ 0 1 0 ]).
1. True
2. False
3.
4.
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Question 6 : The convolution of a signal in time domain can be viewed as __________
1. Multiplication in z-domain
2. Squaring in z-domain
3. Doubling the signal in z-domain
4. Convolution in z-domain
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Question 7 : The Z-transform doesn't follow the linearity principle.
1. True
2. False
3.
4.
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Question 8 : The convolution of [1 2 1] and [1 2 1] will have the highest amplitude at t= _________
1. 3 units
2. 0 units
3. 1 unit
4. 2 units
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Question 9 : The bilateral Z-transform ranges from ____________
1. -∞ to ∞
2. 0 to ∞
3. -∞ to 0
4. Does not exist
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Question 10 : A continuous signal can be represented as the product of an impulse function and the signal itself.
1. True
2. False
3.
4.
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