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Recent questions tagged isro-ece

1 votes
2 answers
151
ISRO2013-ECE: Digital Logic
Which of the following is the Boolean function for majority voting, assuming $\text{A, B, C}$ are inputs and $\text{Y}$ is output? $\text{Y = AB + AC + BC}$ $\text{Y = A + B + C}$ $\text{Y = ABC}$ $\text{Y= AB + BC}$
Which of the following is the Boolean function for majority voting, assuming $\text{A, B, C}$ are inputs and $\text{Y}$ is output?$\text{Y = AB + AC + BC}$$\text{Y = A + ...
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1 votes
1 answer
153
ISRO2014-ECE : Network
In satellite communication, scrambling is mainly used for: Clock recovery Encryption limiting power spectral density bandwidth efficiency
In satellite communication, scrambling is mainly used for:Clock recoveryEncryptionlimiting power spectral densitybandwidth efficiency
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1 votes
4 answers
154
ISRO2014-ECE Digital logic
In the following circuit, Y can be expressed as : $\text{Y = BC + A}$ $\text{Y = AC}' + \text{BC}$ $\text{Y = C}$ $\text{Y = B}$
In the following circuit, Y can be expressed as :$\text{Y = BC + A}$$\text{Y = AC}' + \text{BC}$$\text{Y = C}$$\text{Y = B}$
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1 votes
1 answer
155
ISRO2014-ECE Computer Networks
In a fiber-optic cable, which phenomenon occurs for signal to propagate along the inner core: Modulation Reflection Refraction All of the above
In a fiber-optic cable, which phenomenon occurs for signal to propagate along the inner core:ModulationReflectionRefractionAll of the above
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2 votes
1 answer
157
ISRO2015-EC Computer networks
A communication channel is having a bandwidth of $3000$ Hz. The transmitted power is such that the received Signal-to-Noise ratio is $1023.$ The maximum data rate that can be transmitted error-free through the channel is: $3$ Kbps $3$ Mbps $30$ Kbps $300$ Kbps
A communication channel is having a bandwidth of $3000$ Hz. The transmitted power is such that the received Signal-to-Noise ratio is $1023.$ The maximum data rate that ca...
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1 votes
1 answer
158
ISRO2015-EC Pipelining
Pipelining technique is used in microprocessor to improve which of the following parameter? Power dissipation Interrupt latency Die size Maximum clock frequency
Pipelining technique is used in microprocessor to improve which of the following parameter?Power dissipationInterrupt latencyDie sizeMaximum clock frequency
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1 votes
1 answer
159
ISRO2015-EC Flipflop
What is the functionality of following digital circuit? A is input data, CLK is system clock ind Y is output. Falling edge detection of input A Clock division by $2$ Rising edge detection of input A Clock division by $4$
What is the functionality of following digital circuit? A is input data, CLK is system clock ind Y is output.Falling edge detection of input AClock division by $2$Rising ...
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1 votes
3 answers
161
ISRO 2016-EC Combinational circuit
Given circuit represents (a) INVERTER (b) AND (c) OR (d) NOR
Given circuit represents(a) INVERTER(b) AND(c) OR(d) NOR
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3 votes
1 answer
162
ISRO2016- EC Calculus
Evaluate $\int_0^1 \int_0^{\sqrt{1+x^2}} \frac{d x \cdot d y}{\left(1+x^2+y^2\right)}$ $\frac{\pi}{2}[\log (1+\sqrt{2})]$ $\frac{\pi}{4}[\log (1+\sqrt{2})]$ $\frac{\pi}{2}[\log (1-\sqrt{2})]$ $\frac{\pi}{4}[\log (1-\sqrt{2})]$
Evaluate $\int_0^1 \int_0^{\sqrt{1+x^2}} \frac{d x \cdot d y}{\left(1+x^2+y^2\right)}$$\frac{\pi}{2}[\log (1+\sqrt{2})]$$\frac{\pi}{4}[\log (1+\sqrt{2})]$$\frac{\pi}{2}[\...
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1 votes
3 answers
164
ISRO2016-EC Mathematics
The value of $\lim _{x \rightarrow 8}\left(\frac{x^{1 / 3}-2}{x-8}\right)$ is $1/4$ $1/8$ $1/12$ $1/16$
The value of $\lim _{x \rightarrow 8}\left(\frac{x^{1 / 3}-2}{x-8}\right)$ is$1/4$$1/8$$1/12$$1/16$
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1 votes
1 answer
165
ISRO2016-EC combinational logic
in given combinational logic $X=?$ $X = AB'C' +A'BC'+ A'B'C+ ABC$ $X = A'BC +A'BC'+ AB'C+ A'B'C'$ $X = AB + BC + AC$ $X= A'B'+B'C'+A'C'$
in given combinational logic $X=?$$X = AB'C' +A'BC'+ A'B'C+ ABC$$X = A'BC +A'BC'+ AB'C+ A'B'C'$$X = AB + BC + AC$$X= A'B'+B'C'+A'C'$
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1 votes
0 answers
166
ISRO2016 -EC Digital Logic
$000, 001, 010, 011, 100\; \&$ repeats $100, 011, 010, 001, 000\; \&$ repeat $010, 011, 100, 000, 001\; \&$ repeats $101, 110, 111, 000, 001, 010, 011, 100 \;\&$ repeats
$000, 001, 010, 011, 100\; \&$ repeats$100, 011, 010, 001, 000\; \&$ repeat$010, 011, 100, 000, 001\; \&$ repeats$101, 110, 111, 000, 001, 010, 011, 100 \;\&$ repeats
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1 votes
1 answer
167
ISRO2016-ECE Digital logic
How is the status of the carry, auxiliary carry and parity flag affected if write instruction? MOV A,#9C ADD A,#64H $\text{CY = 0, AC = 0, P = 0}$ $\text{CY = 1, AC = 1, P = 0}$ $\text{CY = 0, AC = 1, P = 0}$ $\text{CY = 1, AC = 1, P = 1}$
How is the status of the carry, auxiliary carry and parity flag affected if write instruction?MOV A,#9C ADD A,#64H$\text{CY = 0, AC = 0, P = 0}$$\text{CY = 1, AC = 1, P =...
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