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 (e*m-5<a) do {m=m+1;a=a-2}
ans:9
in questions 8 to 12 find the values of a and b at the end
of the execution of the program
segment
8.a=2;
b=1;
x=1;
while(x<=4)
do {a=a+b;x=x+1}
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)
11.The complexity of bublle sort is0(a),then k equals
ans:2
12.In BCD,the decimal number 516 is
ans:10101110
13. RS 232 is standards for
ans:physical layer
14. which of the following is not true of a DBMS
ans:maintain integrity
15.the method of access used for obtaining a record from a
tape is
ans:sequential
16.Whichof the following is an universal gate
ans:nor
17.an ASCII text file containing 500 characters will have
size approximately
ans:500bytes
18.which of the following is a vector
ans;force
19.The lowest attainable temperature
ans 0k
20.viscosity is most similar to
ans:friciton
21.The elapsed time between the submission of the job and
getting the output is
ans:seek time
22.the earliest calculating device still in use is
ans: abacus
23.Qunatities used to bring fields to standards sixe are
ans:pixels
24.the base of a number system is called as
ans:radix
25.An 8kb computer will bave addresses -----
ans:8191
26.Arranging data in a specific form is called
ans: sorting
27.A translator which reads an entire programme written in a
high level language and converts
it into machine language code is
ans: interpreter
28.a data hierarchy in assending order is
ans:bit-byte -field-record-file-database
29.a computer generated output that lets programmer follow
the execution
of the program line by line is
30.data items grouped togother for storage form a
31. the most dangerous aspect of computer virusesis their
ability to
ans: change system memory
32.a distributed data processing configuration in which all
activities must pass through an
centrally located computer is called a
ans: ring network
33.communication circuite that transmit data inboth
directions but not at the same time
are operating in
34.which of the following is not an application software
ans:unix
35.For which of the folowing computer application is real
time processing not essential
36.a data structure with one to many relationship is a
ans:tree
37. which of the following hardware components is most
important to operation of a database
management system
ans:high speed,large capacity disk
38. computer viruses can spread from one system to another
by means of
ans:all the above
39. afront end processor is ususally used in
ans: multi processing
40.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 f1 gm
ans:30
41.a block of ice floats on water in a beaker, as the ice
melts,the water level in the beaker will
ans:remain same
42.if va,vn,vs are velocities of sound in air,water, and
steel then,
ans:vs>vn>va
43.in usual computer arthemetic, the value of the integer
expression
22/5*2+8*2/6
ans:10
44.an acronym for the organisation that publishes
programming langauge standards is
ans:ANSI
