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Sunday 25 November 2012

Canarys Placement Paper 1



Canarys Placement Paper :- 

1. Which of these is pic( 8259, 8279, both, 8159)

2. Mode 2 in 8255 is used for opn of

A) Port 1 only   B) Port 2 only     C) Both ports 1 & 2    D) None

3. what is 1c 72? (voltage controller, current controller, sine wave generator, sq wave generator)

4. 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

5. (32/343)^(4

6. 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.

7.       A       a         B

     a

bcc                      c


C                  D              E

Triangle BDE is isosceles. find total area of the figure?

ANS: b(a+b/2).

8. 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.

9. 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

10. 3X-9<0. Which condition does x not satisfy from below?

A) -2  b) 1  c) 2  d)3    ans=d

11. (A/b)^(x-1)=(b/a)^(x-3)      x=?

12. A’s salary is 33 1/3 % more than B. By how much is B’s salary less than A?  Ans=25%

13.Symbol of PNP transistor? Choose one from 4 given figures..

14.Voltage follower is used for:

A) Connecting low impedance load to low impedance sources.
B)            High                  low
C)            High                  high
D)            Low                   high

15. 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.

16.In combinational circuits: Options are same as above

17. Consider an half adder with delay d and a flip flop delay of d, calculate total delay..

18.                             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..

19. 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.

20. An energy efficient transformer core is made up of? ( Si alloy steel, iron, c, d)

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