DRDO Senior Technical Assistant Model papers?

I want to given an exam of DRDO Senior Technical Assistant so, wants to get the model papers for that will you please provide me that?????

[Kiran Chandar]

As you want to get the question papers of the DRDO Senior Technical Assistant so, here I am providing you the same.

DRDO Sample Technical Question Paper/Model Papers

1. If 100ns is Memory Access Time & 125 microsec is 1frame period. The no. of line that can be supported in a Time Divison Switch is

a)125 Lines
b)625 Lines
c)525 Lines
d)465 Lines

2. The no. of edjes in disjoint Hamilton circuit in a complex graph with 17 edges is

a) 8
b) 9
c) 136
d) 17^2

3. 15 persons in a club sit every day ina dinner table such that every member has different neighbour. 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

4.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 retrived from controller before next byte arrives are lost. Then the maximum safe polling interveal is

a) 12
b) 12.33
c) 12.67
d) 32

5. A harddisk has a rotation speed of 4500RPM. then the latency time is

a) .4
b) .6
c) .7
d) .9

6.Suppose all elements above the principal diagonal od n x n matix A are zero. If non zero elements of the lower triangular Matrix is stored in an array B with A[1][1] stored at B[1]. The addressing formula to the nonzero element in A[i][j]=?

a) A[i][j]
b) i(j-1)/2 +i
c) j(i-1)/2 +i
d) i(i-1)/2 +j

7.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

8.The internal path length of a Bonary Tree with 10nodes is 25. The external path length is

a) 25
b) 35
c) 40
d) 45

9.Average No. of Comparisons required to sort 3 elements is

a) 2
b) 2.33
c) 2.67
d) 3

10.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

11. What is Interface Control Information?

12. The minimum no. of Multiplications needed to compute x^768 is

a) 9
b) 10
c) 425
d) 767

13. Find values for a,b,c,d

c 1 1 1
0 a 1 b
_______
1 0 d 0

(967) Basex = 321base9

14. 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

15.Which country is not a Member of SAARC

a) Bangladesh
b) Myanmar
c) Maldives
d) Nepal

The New Biotechnology Software introduced by TCS is?

16. The New Biotechnology Software introduced by TCS is? What is Wi Fi?

17. Which is the fastest Cruise Missile?

These are the questions which can come in your DRDO Senior Technical Assistant So, you should prepare well for your exam.

I have applied for DRDO Senior Technical Assistant exam and need the previous year question paper of it for the preparation so can you please provide me this?

[Arun Vats]

Ok, given below is the previous year question paper of DRDO Senior Technical Assistant exam

1. How many carbon atoms are there in one molecule of methane (chemical formula CH4?)
a. 1
b. 4
c. 5
d. The number cannot be determined from the formula.

2. Which form of matter has a definite volume, but no definite shape?
a. Solid
b. Liquid
c. Gas
d. Plasma

3. Processes of changing a liquid to a gas is called
a. Melting
b. Boiling
c. Vaporization
d. Sublimation

4. An element is determined by the number of

a. Atoms
b. Electrons
c. Neutrons
d. Protons

5. Fluorine F is a
a. Metal
b. Non metal
c. Compound
d. Element

6. State of uranium (U) at 0? c and 1 atm of pressure is
a. Gas
b. Liquid
c. Solid
d. Vapour

7. CaSo4 is named as
a. Calcium carbonate
b. Calcium hydroxide
c. Calcium oxide
d. Calcium sulphate

8. Cobalt is a
a. Halogen
b. Transition metal
c. Alkaline earth metal
d. None of these

9. What term describes the concentration of a solution in moles per litter?
a. Molarity
b. Osmosis
c. Molality
d. Diffusion

10. The Ideal gas law is a combination of Boyle’s law, Charle’s law and Avogadro’s law .What is the Ideal gas law?

a. PV=NRT
b. PE=mgh
c. F=ma
d. V=IR

11. Which of these values signifies the greatest temperature?

a. 1 degree Kelvin
b. 1 degree Rankin
c. 1 degree Fahrenheit
d. 1 degree Celsius

12. What is the abbreviation THEL stands for

a. Tactical high energy laser
b. Titanium harmonic emergent laser
c. Thermabaric harmonic emergent light
d. Thermo baric high energy light

13. Why are recoilless guns recoilless?

a. Their barrels are open at both ends.
b. They are loaded with missiles not cannon balls
c. They are not placed an wheels
d. They are made up of very heavy metal

14. Which statement is true about airplanes?
a. To dive, ailerons are down
b. To dive, elevators are down
c. To dive, elevators are up
d. To dive, ailerons are up

15. Taxonomy of vertebrate divides fishes in to which two basic groups?
a. Jawed and jawless
b. Gilled and non-gilled
c. Mammalian and non-mammalian
d. Nematodes and non-nematodes

16. What makes almost 99% of the visible Universe?

a. Quasars
b. Nitrogen
c. Plasma
d. Solids

17. What do we call cells with a nucleus?

a. Prokaryotic
b. Eukaryotic
c. Mitochondrial
d. Golgi

18. What does the prefix’ achy-‘’ means?

a. Too fast
b. Too slow
c. Too loud
d. Too soft

19. A doctor says you need a CBC.What is he talking about?

a. An enema
b. A vacation
c. A medication
d. A blood test

20. In preparation for a blood test, the lab slip says you have to be NPO for 8 hours prior to test, what do you have to do?

a. Sleep for 8 hours
b. Exercise for 8 hours
c. Lie flat in bed for 8 hours
d. Do not take anything by mouth

21. What is the exact value of the `Pi’?

a. 3
b. 22/7
c. Impossible to calculate
d. 3.14

22. What is the smallest prime number?

a. 2
b. 144
c. 1
d. 3

23. What is the only number with no reciprocal?
a. Pi
b. 0
c. 1
d. -1

24. How fast is a mile a minute?
a. Speed of the fastest human runner
b. 60 yards an hour
c. 60 kilometre an hour
d. 60 miles an hour

25. Yhrium
a. xe
b. Y
c. V
d. W