DSP[0]

Question 1

DSP stands for?

Answer 1

Digital Signal Processing

Question 2

is the process of analyzing and modifying a
signal to optimize or improve its efficiency or
performance.

Answer 2

Digital Signal Processing

Question 3

is concerned with the representation of signals
by sequence of numbers or symbols and the
processing of these sequences.

Answer 3

Digital Signal Processing

Question 4

is an electrical or electromagnetic
current that is used for carrying data from one
device or network to another.

Answer 4

signal

Question 5

can be define as a function that
conveys information, generally about the state
or behavior of a physical system.

Answer 5

Signal

Question 6

are represented as functions of one
or more independent variables.

Answer 6

Signal

Question 7

are those
signals for which both time
an amplitude are continuous.

Answer 7

Analog Signal

Question 8

are those
signals that are defined
only at a discrete units of
time.

Answer 8

Discrete signals

Question 9

Involves analyzing, modifying and synthesizing signals to
pull meaning out of it.

Answer 9

Signal Processing

Question 10

Two classification of signal processing:

Answer 10

• Analog Signal Processing
• Digital Signal Processing

Question 11

deals with transformation of
analog signals

Answer 11

Analog signal processing

Question 12

Processing is done using electrical networks consisting of
active and passive elements

Answer 12

Analog signal processing

Question 13

deals with the
processing of discrete signals

Answer 13

Digital Signal Processing

Question 14

Processing is done using general purpose
computers, ASICs, FPGAs, OSP chips etc.

Answer 14

Digital Signal Processing

Question 15

used to filter out unwanted high frequency components from
raw analog input signal.

Answer 15

Pre-filter

Question 16

converts analog signals to digital signals.

Answer 16

ADC

Question 17

the digital signal is analyzed and processed and synthesized output
is fed to DAC

Answer 17

DSP

Question 18

converts digital signals back to analog signals.

Answer 18

DAC

Question 19

Used to filter out unwanted high frequency components in
the generated analog signal.

Answer 19

Post-Filter

Question 20

Application of DPS

Answer 20

• Speech and audio processing
• Image and video processing
• Military and Telecommunication
• Healthcare and Biomedical sector
• Consumer electronics

Question 21

This involves speech recognition and analysis
noise filtering, echo cancellation etc.

Answer 21

Speech and Audio Processing

Question 22

This involves compression, enhancement,
reconstruction and restoration of images and
videos

Answer 22

Image and Video Processing

Question 23

Its examples are radar tracking, modulation and
demodulation

Answer 23

Military and Telecommunication

Question 24

Its example are analysis of ECG and X-ray signal

Answer 24

Healthcare and Biomedical Sector

Question 25

Most digital equipment like smart phones, televisions, digital camera etc. it has DSP embedded on it to accelerate its performance.

Answer 25

Consumer Electronics

Question 26

Avantages of DPS

Answer 26

* Flexibility * Error detection and correction features * Data storage is easier * Low cost

Question 27

Disadvantages of DPS

Answer 27

* Higher power consumption * Higher learning curve is required for operation