1. What is the value of d[0], such that d[n] is the unit impulse function?

a) 0

b) 0.5

c) 1.5

d) 1

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2. What is the value of u[1], where u[n] is the unit step function?

a) 1

b) 0.5

c) 0

d) -1

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3. Evaluate the following function in terms of t: {sum from -1 to infinity:d[n]}/{Integral from 0 to t: u(t)}

a) t

b) ^{1}⁄_{t}

c) t^{2}

d) ^{1}⁄_{t2}

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4. Evaluate the following function in terms of t: {integral from 0 to t}{Integral from -inf to inf}d(t)

a) ^{1}⁄_{t}

b) ^{1}⁄_{t2}

c) t

d) t^{2}

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5. The fundamental period of exp(jwt) is

a) pi/w

b) 2pi/w

c) 3pi/w

d) 4pi/w

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6. Find the magnitude of exp(jwt). Find the boundness of sin(t) and cos(t).

a) 1, [-1,2], [-1,2].

b) 0.5, [-1,1], [-1,1].

c) 1, [-1,1], [-1,2].

d) 1, [-1,1], [-1,1].

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7. Find the value of {sum from -inf to inf} exp(jwn)*d[n].

a) 0

b) 1

c) 2

d) 3

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8. Compute d[n]d[n-1] + d[n-1]d[n-2] for n = 0, 1, 2.

a) 0, 1, 2

b) 0, 0, 1

c) 1, 0, 0

d) 0, 0, 0

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9. Defining u(t), r(t) and s(t) in their standard ways, are their derivatives defined at t = 0?

a) Yes, Yes, No

b) No, Yes, No

c) No, No, Yes

d) No, No, No

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10. Which is the correct Euler expression?

a) exp(2jt) = cos(2t) + jsin(t)

b) exp(2jt) = cos(2t) + jsin(2t)

c) exp(2jt) = cos(2t) + sin(t)

d) exp(2jt) = jcos(2t) + jsin(t)

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