DRDO Model questions and How to apply defence jobs --Find more at Govt paper,Placement Paper
DRDO – Defence Research and Development Organisation is an india’s defence technical development center to serve technology to military. Which is also has technology fields like Electronics, Aeronautics, Armaments, Computer science, HR development, life science and etc.
Post to offer from DRDO:
Defence Research & Development Organization (DRDO) notification comes when the recruitment of Junior Research Fellow & Senior Research Fellow Vacancies. Candidates who qualify degree / post graduation in concerned engineering disciplines are eligible for Junior Research Fellow & Senior Research Fellow Vacancies.
Here is the model DRDO written test papers given below:
DRDO Placement Paper Pattern and questions:
if 100ns is Memory Access Time & 125 microseconds is 1frame period. The no. of line that can be supported in a Time Division Switch is
a)125 Lines
b)625 Lines
c)525 Lines
d)465 Lines
15 persons in a club sit every day in a dinner table such that every member has different neighbor.
This arrangement will last for how many days.
Assume a system has 16MB cache mean Disk Access Time & cache Access time is 76.5 ns & 1.5
overall mean Access time us 465ms for each tripling the memory the miss rate is halved. The
memory required to bring down the mean Access time to 24ns is
a) 16 MB
b) 24 MB
c) 32 MB
d) 48 MB
The no. of edges in disjoint Hamilton circuit in a complex graph with 17 edges is
a) 8
b) 9
c) 136
d) 17^2
Average transfer speed of a i/p serial line is minimum 25,000 Bytes & maximum 60000 Bytes.
Polling Strategy adopted takes 4microsec (whether there is any i/p byte or not). It is assured that
byte that retrieved from controller before next byte arrives are lost. Then the maximum safe polling interval is
a) 12
b) 12.33
c) 12.67
d) 32
A hard disk has a rotation speed of 4500RPM. Then the latency time is
a) .4
b) .6
c) .7
d) .9
The minimum number of comparisons required to find the second smallest element in a 1000 element array is
a) 1008
b) 1010
c) 1999
d) 2000
The internal path length of a Binary Tree with 10nodes is 25. The external path length is
a) 25
b) 35
c) 40
d) 45
Average No. of Comparisons required to sort 3 elements is
a) 2
b) 2.33
c) 2.67
d) 3
In a switch the mean arrival rate of packets is 800 Packets/sec and the the mean service rate is 925 Packets/sec
a) .008 Sec
b) .08 sec
c) .8 sec
d) 1.1 sec
What is Interface Control Information?
The minimum no. of Multiplications needed to compute x^768 is
a) 9
b) 10
c) 425
d) 767
Find values for a,b,c,d
c 1 1 1
0 a 1 b
_______
1 0 d 0
(967)basex = 321base9
PART II General 50 General Non-Technical [4 Options]
{ >20 questions were from Mathematic}
The area of red planet where the Mars Rover Landed?
In Which Day world Telecom Day Celebrated?
Laser is used for what?
a) Treatment of Cancer
b) Treatment of Eyes
c) Treatment of Heart
d) Treatment of Kidney
Which country is not a Member of SAARC
a) Bangladesh
b) Myanmar
c) Maldives
d) Nepal
