1. (32/343)^(4
2. IF a person’s salary is rs. X. He spends 10% on rent, 15%
of remaining on edu of his children, and 10% of the remaining on clothes. Then
remains rs 4131. What is his salary? Ans=6000 rs.
3. A a
B
a
bcc
c
C
D E
Triangle BDE is isosceles. find total area of the figure?
ANS: b(a+b/2).
4. A Girl has m mins of homework in each of her s subjects?
Find the part of hw completed in 1 hour?
Ans= 60/ms.
5. A can is 4/5 th full. If 6 glasses of oil is removed and
4 glasses of oil added, it is 3/4th full. What is its capacity?
Ans= 40 litres
6. 3X-9<0. Which condition does x not satisfy from
below?
A) -2 b) 1 c) 2
d)3
ans=d
7. (A/b)^(x-1)=(b/a)^(x-3) x=?
8. A’s salary is 33 1/3 % more than B. By how much is B’s
salary less than A? Ans=25%
9. .Symbol of PNP transistor? Choose one from 4 given
figures..
10. Voltage follower is used for:
A) Connecting low impedance load to low impedance sources.
B)
High low
C)
High high
D) Low high
13. Sequential circuits:
A) Op depends on present ip and past op
B) Only present ip
C) Only past op D) Does not
depend on anything.
14.In combinational circuits: Options are same as above
15. Consider an half adder with delay d and a flip flop delay
of d, calculate total delay..
16. L
S1
A
B s2
C
A, B, C, L are similar lamps. At what combination of
switches (S1,S2,S3) open or close does l glow brightest..
17. an m bit hamming code, it can correct..
A) errors upto m bits
B) Errors uptp m/2 bits C) 2m
bits D) Greater than m bits.
18. An energy efficient transformer core is made up of? ( Si
alloy steel, iron, c, d)
19. Darlington pair is used to
A) Increase beta factor and dec I/p resistance
B) Increase beta factor and inc I/p resistance
C) Increase beta factor and dec o/p resistance
D) Increase beta factor and inc o/p resistance
20. Which instn does not affect z flag?
A) inc b B dcr b
C inx b D dcx b
21. Which of these is pic( 8259, 8279, both, 8159)
22. Mode 2 in 8255 is used for opn of
A) Port 1 only B)
Port 2 only C) Both ports 1 &
2 D) None
23. what is 1c 72? (voltage controller, current controller,
sine wave generator, sq wave generator)
24. A 16 bit register can hold (2’s complement form)
A) 0 To 255 B)
-32767 To +32767 C) -32768 To
+32767 D) -32767 To +32768
