Recent questions tagged isro-ece

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Which of the following system is linear?a) $y(n)$ = $e^{x(n)}$b) $y(n) $= A$x(n$)+Bc) $y(n) $= $x$($n ^2$)d) $y(n) $= $x ^2(n)$
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124
In a JK Flipflop we have J= Q' and K=1. assuming that the flipflop was initially cleared and clocked for 6 pulses, the sequence at the Q output will bea) 010000b) 011001...
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125
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126
The modulation normally used with digital data isa) AMb) FMc) SSBd) QPSK
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_______________ is a primitive that can execute code. It contains an instruction pointer (=program counter) and sometimes has its own stack.a) $Process$b) $Task$c) $Kern...
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129
A microprocessor with 12 bit address bus will be able to access ________ kilobytes of memorya) 0.4b) 2c) 10d) 4
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130
In satellite communication, frequency modulation is used because satellite channel hasa. High Modulation indexb. Small bandwith and negligible noisec. Large bandwidth and...
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131
The channel capacity under the Gaussian noise environment for a discrete memory less channel with a bandwidth of 4 MHz and SNR 31 isa. 20 Mbpsb. 4 Mbpsc. 8 Kbpsd. 4 Kbps
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132
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133
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134
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135
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137
The system of equations $x + y + z = 6, 2x + y + z = 7, x + 2 y + z = 8$ hasA unique solutionNo solutionAn infinite number of solutionsNone of these
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138
If $A$, $B$ & $C$ are vectors and $A = 1.u_ x + 2.u _y + 3.u_ z$ , $B = 1.u _x+ 1.u _y + 1.u _z$ , and $C = 3.u _x+ 2.u _y + 1.u _z$ then ($A$ x $B$).$C$ is :a) 2b) 1c) ...
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"Cycle Stealing" in microprocessor parlance refers toa. Special type of DMA access by an external deviceb. RESET operation at power ON by microprocessorc. Interrupt Ackno...
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140
The complement Accumulator (CMA) instruction in $8085$ processor on execution affectsZero flagSign flagOverflow flagnone of the above
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The register in $8085$ that is used to keep track of the memory address of the next opcode to be run in the program is the:Stack PointerProgram CounterAccumulatorNon of t...
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142
The number of comparators needed in a $8$ bit flash type ADC is:$8$$16$$255$$256$
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143
The truth table for implementing a Boolean variable $\text{F}$ is given where $d$ represents don't care states. The minimized expression for $\text{F}$ is:$BC' +AC'+AB$$A...
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144
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145
Following constellation diagram represents:$16$ PSK$16$ QAM$16$ APSKAll the above
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146
Minimum number of bits required to represent maximum value of an analog signal with accuracy of $0.1\%$ is$8$ bits$9$ bits$10$ bits$12$ bits
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149
If a counter having $10$ flip flops is initially at $0,$ what count will it hold after $2060$ pulses?$000\; 000\; 1100$$000 \;001\; 1100$$000 \;001\; 1000$$000 \;000\; 11...