# Digital Signal Processing Test

**The fundamental period of signal 10sin(12πt) + 4sin(18πt) is______.**

a. 2/3 Sec

b. 1/2 Sec

c. 1/3 Sec

d. 1/4 Sec

**The sampling theorem holds true for the following condition________. (Note: Here ‘fs’ is the sampling frequency, and ‘w’ is the maximum frequency of the continuous time signal x (t)).**

a. fs < 2 ω

b. fs > 2 ω

c. fs < ω / 2

d. fs > ω / 2

**In order to avoid aliasing during the reduction of the sampling rate, we divide the sampling frequency by ___________.**

a. D

b. 2D

c. 4D

d. 8D

**The multiplication of two DFTs is equivalent to the circular convolution of their sequences in the _____________.**

a. frequency domain

b. time domain

c. Both frequency and time domains

d. Neither frequency nor time domain

**Which one of the following is not a register associated with the Program Sequencer?**

a. Arithmetic Status Register (ASTAT)

b. Stack Status Register (SSTAT)

c. Mode Status Register (MSTAT)

d. System Register

**Thermal noise can be considered to be ___________.**

a. white non-Gaussian noise

b. white Gaussian noise

c. flicker noise

d. transit time noise

**A stationary random process is a_________.**

a. finite energy signal

b. zero energy signal

c. infinite energy signal

**A discrete time signal can be best analyzed by____________.**

a. a fourier transform

b. a laplace transform

c. a Z- Transform

d. none of the above