Whole Testpaper by Canarys

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CANARYS  TEST ON 9 OCT 2006

DURATION  : 30 MINS.

QUESTIONS : 30  (10 APTITUDE + 20 TECHNICAL ).

APTITUDE:

(32/343)^(4/5)=? IF A PERSONS 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.       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

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. AS SALARY IS 33 1/3 % MORE THAN B. BY HOW MUCH IS BS SALARY LESS THAN A?  ANS=25%

TECHNICAL(ECE)

1.SYMBOL OF PNP TRANSISTOR? CHOOSE ONE FROM 4 GIVEN FIGURES..

2.VOLTAGE FOLLOWER IS USED FOR:

A). CONNECTING LOW IMPEDENCE LOAD TO LOW IMPEDENCE SOURCES.

B).                            HIGH                                           LOW

C).                            HIGH                                           HIGH

D).                            LOW                                            HIGH

3. SEQUENTIAL CIRUITS:

A.     OP DEPENDS ON PRESENT IP AND PAST OP

B.     ONLY PRESENT IP

C.     ONLY PAST OP

D.    DOES NOT DEPEND ON ANYTHING.

4.IN COMBINATIONAL CIRUITS:

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                        

                                                             S3                             

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  A:  ERRORS UPTO M BITS

B. ERRORS UPTP M/2 BITS

C. 2M BITS

E.     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

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

10.WHICH INSTN DOES NOT AFFECT Z FLAG?

A) 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

a.                  PORT 1 ONLY

b.                  PORT 2 ONLY

c.                   BOTH PORTS 1 AND 2

d.                  NON

13.WHAT IS 1C 72?( VOLTAGE CONTRLR, CURRENT CNTRLR, SINE WAVE GENR,   SQ WAVE GENR)

14.A 16 BIT REG CAN HOLD( 2S COMPLEMENT FORM)

a.                               0 to 255

b.                              32767 to +32767

c.                               32768 to +32767

d.                              32767 to +32768