ISRO Scientist or Engineer Computer Science 2011

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Computer Science 2011 - Question 31


How many 3-to-8 line decoders with a chip having enable pin are needed to construct a 6-to-64 line decoder without using any other logic gates?

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ISRO Scientist or Engineer Computer Science 2011 - Question 32


In which layer of network architecture, the secured socket layer (SSL) is used?

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ISRO Scientist or Engineer Computer Science 2011 - Question 33


What is the bit rate of a video terminal unit with 80 $$\frac{character}{line}$$, 8 $$\frac{bits}{charcter}$$ and horizontal sweep time of 100 us (inciuding 20 us of retrace time)?

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ISRO Scientist or Engineer Computer Science 2011 - Question 34


Black Box software testing method focuses on the

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ISRO Scientist or Engineer Computer Science 2011 - Question 35


How many edges are there in a forest with v vertices and k components?

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ISRO Scientist or Engineer Computer Science 2011 - Question 36


if A and B are square matrices of the same order and A is symmetric, then $$B^{T AB$$ is

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ISRO Scientist or Engineer Computer Science 2011 - Question 37


Find the memory address of the next instruction executed by the microprocessor (8086), when operated in real mode for CS = 1000 and IP = E000

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ISRO Scientist or Engineer Computer Science 2011 - Question 38


A fast wide SCSI-li disk drive spins at 7200 RPM, has a sector size of 512 bytes, and holds 160 sectors per track. Estimate the sustained transfer rate of this drive.

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ISRO Scientist or Engineer Computer Science 2011 - Question 39


Two control signals in microprocessor which are related to Direct Memory Access (DMA)are

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ISRO Scientist or Engineer Computer Science 2011 - Question 40


Consider the following pseudocode.
x := 1;
i := 1;
while’$$(x \leq 500)$$
begin
$$X := 2^{x}$$;
i := i + 1;
end;
What is the value of i at the end of the pseudocode?

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