Search results for ece

1 votes
1 answer
1
The complement Accumulator (CMA) instruction in $8085$ processor on execution affectsZero flagSign flagOverflow flagnone of the above
1 votes
1 answer
2
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'$
1 votes
1 answer
3
Principle of "locality" is used in context of Addressing lowest Memory address by microprocessorAddressing Highest Memory address by microprocessorAccessing Cache memory ...
1 votes
1 answer
4
An FM signal at $10.7$ MHz IF needs to be digitized for demodulation in a digital domain. If the bandwidth of this signal is $200$ kHz, the maximum usable sampling freque...
1 votes
2 answers
5
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}$$\text{Y = A + ...
0 votes
1 answer
7
f(x) = [$ tan ^2$ x] ( [ ] stands for greatest integer function)a) f(x) continuous at x = 0b) limit f(x) does not exist as x tend to 0c) f '(0) = 1d) f(x) not derivable ...
1 votes
3 answers
8
0 votes
2 answers
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There is a function f(x), such that f(0) = 1 and f ' (0)= -1 and f(x) is positive for all values of x. Then,a) f"(x) < 0 for all xb) -1 < f'' (x) < 0 for all xc) -2 < f ...
4 votes
6 answers
11
Above question modification.This is the actual questionBoolean expression$:(x+y)(x+\bar{y})+\overline{{(x\bar{y}+\bar{x})}}$$(A) x$ $(B)y$ $(C)xy$...
0 votes
2 answers
12
If every minor of order 'r' of a matrix 'A' is zero, then rank of 'A' isa) greater than 'r'b) equal to 'r'c) less than or equal to 'r'd) less than 'r'
11 votes
3 answers
13
The delays of NOR gates, Multiplexer and Inverters are 2ns, 1.5ns and 1ns respectively.If all the inputs P, Q, R, S and T are applied at the same time instant, Then the M...
1 votes
2 answers
14
Assuming ideal conditions, the speed up obtained from a balanced N stage pipeline is(a) $2N$(b) $N^ 2$(c) $N$(d) $N!$
0 votes
2 answers
15
Odd parity generator uses _____ logic(a) XNOR(b) XOR(c) Sequential(d) OR
0 votes
1 answer
16
0 votes
2 answers
17
If the memory chip size is 256 x 1 bits, then the number of chips required to make up 1K bytes of memory isa) 32b) 24c) 12d) 8
2 votes
1 answer
18
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...
0 votes
2 answers
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