Placement Papers: DSQ Placement Paper 14 Aug 2004

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Technical aptitude test

the 2's complement number of 110010 is ans; none of those
Truth table of a logic function ans: Displays all its input output possibilities
The process of varying one signal according to the pattern provided by another signal is ans: Modulation
The octal equivalant of hexa number 123 is ans: 443. Determine how many times the given loop is executed
m = 3 while (m<18) do { m = m + 2; m = m − 1} ans: 15
m = 1; a = 30; while (m<>1) do { m = m + 1; a = a − 1; }
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 xecution of the program segment
a = 2; b = 1; x = 1; while (x ⇐ 4) do { a = a + b; x = x + 1} ans: (5, 1)
a = 1; b = 2; x = 1 while (x ⇐ 5) do { b = a + b; x = x + 1; } ans: (1, 6)
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
address
cmos
lisp (from 11 − 15 these are the answers dont confuse)
mouse
csh
The complexity of bublle sort is0 (a), then kequals ans: 2
In BCD, the decimal number 516 is ans: 10101110
RS 232 is standards for ans: Physical layer
which of the following is not true of a DBMS ans: Maintain integrity
the method of access used for obtaining a record from a tape is ans: Sequential
Whichof the following is an universal gate ans: Nor
an ASCII text file containing 500 characters will have size approximately ans: 500bytes
which of the following is a vector ans; force
The lowest attainable temperature ans 0k
viscosity is most similar to ans: Friciton
The elapsed time between the submission of the job and getting the output is ans: Seek time
the earliest calculating device still in use is ans: Abacus
an acronym for the organisation that publishes programming langauge standards is ans: ANSI
Qunatities used to bring fields to standards sixe are ans: Pixels
the base of a number system is called as ans: Radix
An 8kb computer will bave addresses____ans: 8191
Arranging data in a specific form is called ans: Sorting
A translator which reads an entire programme written in a high level language and converts it into machine language code is ans: Interpreter
a data hierarchy in assending order is ans: Bit-byte-field-record-file-database
a computer generated output that lets programmer follow the execution of the program line by line is
data items grouped togother for storage form a
the most dangerous aspect of computer virusesis their ability to ans: Change system memory
a distributed data processing configuration in which all activities must pass through an centrally located computer is called a ans: Ring network
communication circuite that transmit data inboth directions but not at the same time areoperating in
which of the following is not an application software ans: Unix
For which of the folowing computer application is real time processing not essential ans
a data structure with one to many relationship is a ans: Tree
which of the following hardware components is most important to operation of a database management system ans: High speed, large capacity disk
computer viruses can spread from one system to another by means of ans: All the above
afront end processor is ususally used in ans: Multi processing
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
a block of ice floats on water in a beaker, as the ice melts, the water level in the beaker will ans: Remain same
if va, vn, vs are velocities of sound in air, water, and steel then, ans: Vs>vn>va
in usual computer arthemetic, the value of the integer expression 22/5 * 2 + 8 * 2/6 ans: 10
an operating system is

ans: All the above