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

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- 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 ₹
- A a B a bcc c C D E Triangle BDE is isosceles. Find total area of the figure? ANS: b (a + b/2) .
- 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.
- 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
- 3X − 9 < 0. Which condition does x not satisfy from below?
- -2
- 1
- 2
- 3 ans = d

- (A/b) ^ (x − 1) = (b/a) ^ (x − 3) x = ?
- A՚s salary is 33 % more than B. By how much is B՚s salary less than A? Ans = 25 %

## Technical Section

- Symbol of PNP transistor? Choose one from 4 given figures.
- Voltage follower is used for:
- Connecting low impedance load to low impedance sources.
- High low
- High high
- Low high

- Sequential circuits:
- Op depends on present ip and past op
- Only present ip
- Only past op
- Does not depend on anything.

- In combinational circuits: Options are same as above
- Consider an half adder with delay d and a flip flop delay of d, calculate total delay.
- 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.
- an m bit hamming code, it can correct.
- errors upto m bits
- Errors uptp m/2 bits
- 2m bits
- Greater than m bits.

- An energy efficient transformer core is made up of (Si alloy steel, iron, c, d) ?
- Darlington pair is used to
- Increase beta factor and dec I/p resistance
- Increase beta factor and inc I/p resistance
- Increase beta factor and dec o/p resistance
- Increase beta factor and inc o/p resistance

- Which instn does not affect z flag-inc b B dcr b C inx b D dcx b
- Which of these is pic (8259,8279, both, 8159)
- Mode 2 in 8255 is used for opn of
- Port 1 only
- Port 2 only
- Both ports 1 & 2
- None

- what is 1c 72 (voltage controller, current controller, sine wave generator, sq wave generator) ?
- A 16 bit register can hold (2՚s complement form)
- 0 To 255
- -32767 To + 32767
- -32768 To + 32767
- -32767 To + 32768