# Recent questions tagged signal

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1 answer 12 views

Analog signal

1 answer 57 views

If it takes a transmitted signal 1m sec to go up to the target and come back after reflection, how far is the transmitter from the target? A) 150 Km B) 150 m C) 15 Km D) 1500 m

1 answer 86 views

The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

1 answer 31 views

In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine on address A) 0000 H B) 002C H C) 0024 H D) 0004 H

1 answer 40 views

If a signal band limited to fm is sampled at a rate less than 2fm, then the constructed signal will be A) Large in amplitude B) Small in amplitude C) Distorted D) Distortion less

0 answers 45 views

The sampling rate to avoid aliasing for the signal m(t) = 100 cos 200ωt will be A) ≥1/25 sec B) ≥1/50 sec C) ≤1/25 sec D) ≤ 1/50 sec

1 answer 24 views

An energy signal has G(f) = 20. Its energy density spectrum is A) 20 B) 100 C) 400 D) 800

1 answer 47 views

What is the Laplace transform of step signal of 5 units magnitude?  A) 5s B) 5/s C) s/5 D) 1/s

2 answers 41 views

The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

1 answer 18 views

Integration of step signal gives (A) Impulse signal. (B) Ramp function. (C) Parabola. (D) Square pulse.

1 answer 27 views

The standard for long distance analog signal transmission in process control industry is (A) 4-20 mV (B) 0-20 mA (C) 4-20 mA (D) 0-5 V

0 answers 19 views

What do you mean by signal processing?

0 answers 44 views

What is a signal in science?

0 answers 12 views

What do you mean by signal and system?

0 answers 19 views

Explain transformer isolated drive circuits providing both signal and power.

0 answers 53 views

Can you convert analog signal to digital?

0 answers 21 views

What is the use of digital signal processing?

1 answer 35 views

What are the advantages of a digital signal?

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How does signal processing work?

0 answers 26 views

Why digital signal processing is important?

0 answers 18 views

What is the use of signal flow graph?

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