dsq

1. the 2's complement number of 110010 is

ans; none of those



2.Truth table of a logic function

ans: displays all its input output possibilities

3.The process of varying one signal according to the pattern

provided by another signal is

ans:modulation

4.The octal equivalant of hexa number 123 is

ans:443

.Determine how many times the given loop is executed

5.m=3 while (m<18) do {m=m+2;m=m-1}

ans:15

6.m=1;a=30;while (m<>1) do {m=m+1;a=a-1;}

7.m=1;a=30;while (am-5
ans:1

In questions 8 to 12 find the values of a and b at the end of the

execution of the program segment



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8.a=2;b=1;x=1;while(x<=4)do {a=a+b;x=x+1}(same type of loop question)

ans:(5,1)

9.a=1;b=2;x=1 while (x<=5)do {b=a+b;x=x+1;}

ans:(1,6)

10.a=0;b=0;x=1;while (x<=4){a=a+x;b=b-x;x=x+1;}

ans:(10,-10)

In questions 11-15 find the odd man out

11.address

12.cmos

13.lisp ( from 11-15 these are the answers dont confuse)

14.mouse

15.csh

16.The complexity of bublle sort is0(a),then kequals

ans:2

17.In BCD,the decimal number 516 is(num changed)

ans:010100010110

18. RS 232 is standards for

ans:physical layer

19. which of the following is not true of a DBMS

ans:maintain integrity

20.the method of access used for obtaining a record from a tape is

ans:sequential

21.Which of the following is an universal gate

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ans:nor

22.An ASCII text file containing 500 characters will have size approximately

ans:500bytes

23.which of the following is a vector

ans;force

24.The lowest attainable temperature

ans 0k

25.viscosity is most similar to

ans:friciton

26.The elapsed time between the submission of the job and getting

the output is

ans:turnaround

27.the earliest calculating device still in use is

ans: abacus

28.an acronym for the organisation that publishes programming

langauge standards is

ans:ANSI

29.Qunatities used to bring fields to standards sixe are

ans:pixels

30.the base of a number system is called as

ans:radix

31.An 8kb computer will bave addresses -----

ans:8191



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32.Arranging data in a specific form is called

ans: sorting

33.A translator which reads an entire programme written in a high

level language and converts it into machine language code is

ans: interpreter

34.a data hierarchy in assending order is

ans:bit-byte -field-record-file-database

35.a computer generated output that lets programmer follow the execution

of the program line by line is

36.data items grouped togother for storage form a

37. the most dangerous aspect of computer virusesis their ability to

ans: change system memory

38.a distributed data processing configuration in which all

activities must pass through an centrally located computer is called a

ans: ring network

39.communication circuite that transmit data inboth directions but

not at the same time areoperating in

40.which of the following is not an application software

ans:unix

41.For which of the folowing computer application is real time

processing not essential

ans;

42.a data structure with one to many relationship is a

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ans:tree

43. which of the following hardware components is most important to operation

of a database management system

ans:high speed,large capacity disk

44. computer viruses can spread from one system to another by means of

ans:all the above

45. afront end processor is ususally used in

ans: multi processing

46.a radioactive material of mass 16 grms in 10 years due to

radiation. how many years will it take for the material to attain a mass f

1 gm

ans:30

47.a block of ice floats on water in a beaker, as the ice melts,the water

level in the beaker will

ans:remain same

48.if va,vn,vs are velocities of sound in air,water, and steel then,

ans:vs>vn>va

49.in usual computer arthemetic, the value of the integer expression

22/52+82/6(number changed)

ans:10

50.an operating system is

ans: all the above