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PART --A
------------------------------------------------------
1) abcD+abcd+aBCd+aBCD
then the simplified function is
( Capital letters are copliments of corresponding letters
A=compliment of a)

[a] a [b] ab [c] abc [d] a(bc)* [e] mone
(bc)*=compliment of bc

Ans: e

-------------------------------------
2) A 12 address lines maps to the memory of

[a] 1k bytes [b] 0.5k bytes [c] 2k bytes [d] none

Ans: b

----------------------------------------
3) In a processor these are 120 instructions . Bits needed
to impliment
this instructions
[a] 6 [b] 7 [c] 10 [d] none

Ans: b

-----------------------------------------
4) In 8085 microprocessor READY signal does.which of the
following
is incorrect statements
[a]It is input to the microprocessor
* [b] It sequences the instructions
*
Ans : b
----------------------------------------

5) Return address will be returned by function to
[a] Pushes to the stack by call
Ans : a
------------------------------------------
6)
n=7623
{
temp=n/10;
result=temp*10+ result;
n=n/10
}

Ans : 3267
----------------------------------------------


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PART-B
-------
1) Virtual memory size depends on
[a] address lines [b] data bus
[c] disc space [d] a & c [e] none
Ans : a
-----------------------------------------------
2) Critical section is
[a]
[b] statements which are accessing shared resourses
Ans : b
-------------------------------------------------
3) load a
mul a
store t1
load b
mul b
store t2
mul t2
add t1

then the content in accumulator is

Ans : a**2+b**4
---------------------------------------------------
4) question (3) in old paper
5) q(4) in old paper
6) question (7) in old paper
7) q(9) in old paper
------------------------------


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