# Placement Papers: Canarys Placement Paper 9 Oct 2006 Bangalore Aptitude Technical

Glide to success with Doorsteptutor material for CBSE/Class-9 : get questions, notes, tests, video lectures and more- for all subjects of CBSE/Class-9.

1. () ^ 4
2. IF a person՚s salary is ₹ . X. He spends 10 % on rent, 15 % of remaining on edu of his children, and 10 % of the remaining on clothes. Then remains ₹ 4131. What is his salary? Ans = 6000 ₹
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 th full. If 6 glasses of oil is removed and 4 glasses of oil added, it is th full. What is its capacity? Ans = 40 litres
6. 3X − 9 < 0. Which condition does x not satisfy from below?
1. -2
2. 1
3. 2
4. 3 ans = d
7. (A/b) ^ (x − 1) = (b/a) ^ (x − 3) x = ?
8. A՚s salary is 33 % more than B. By how much is B՚s salary less than A? Ans = 25 %

## Technical Section

1. Symbol of PNP transistor? Choose one from 4 given figures.
2. Voltage follower is used for:
1. Connecting low impedance load to low impedance sources.
2. High low
3. High high
4. Low high
3. Sequential circuits:
1. Op depends on present ip and past op
2. Only present ip
3. Only past op
4. Does not depend on anything.
4. In combinational circuits: Options are same as above
5. Consider an half adder with delay d and a flip flop delay of d, calculate total delay.
6. 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.
7. an m bit hamming code, it can correct.
1. errors upto m bits
2. Errors uptp m/2 bits
3. 2m bits
4. Greater than m bits.
8. An energy efficient transformer core is made up of (Si alloy steel, iron, c, d) ?
9. Darlington pair is used to
1. Increase beta factor and dec I/p resistance
2. Increase beta factor and inc I/p resistance
3. Increase beta factor and dec o/p resistance
4. Increase beta factor and inc o/p resistance
10. Which instn does not affect z flag-inc b B dcr b C inx b D dcx b
11. Which of these is pic (8259,8279, both, 8159)
12. Mode 2 in 8255 is used for opn of
1. Port 1 only
2. Port 2 only
3. Both ports 1 & 2
4. None
13. what is 1c 72 (voltage controller, current controller, sine wave generator, sq wave generator) ?
14. A 16 bit register can hold (2՚s complement form)
1. 0 To 255
2. -32767 To + 32767
3. -32768 To + 32767
4. -32767 To + 32768