Microwave link repeaters are typically 50km apart ?
a) Because of atmospheric attenuation
b) Because of Output tube power limitations
c) Because of the earth's curvature
d) To ensure that the applied ac voltage is not excessive
The amplifier inserted at intervals to amplify the signal and compensate for transmission loss on the cable are called-
a) line amplifier
b) equalizing amplifiers
c) compradors
d) repeaters.
Diversity reception in used to-
a) increase receiver sensitivity
b) improve receiver selectivity
c) overcome degrading effect of fading
d) overcome degrading effect of receiver detuning
Mark out transferred electron device in the following-
a) BARITT dived
b) IMPATT dived
c) Gunn divde
d) Step recovery diode
In the output of a normal monochrome receiver video detector voltages, which are not found, are -
a) syne
b) video
c) sweep
d) sound
The HV anode supply for the picture tube of TV receiver is generated in the-
a) mains transformer
b) vertical output stage
c) horizontal output stage
d) horizontal deflection oscillator
In antenna measurements using two aperture antennas of dimensions D1 and D2 , minimum separation between the two should be (x is free space wavelength of radiation uses) The frquency range for satellite broad casting is ?
a) 30 MHz ? 300MHz
b) 30 MHz ? 3 GHz
c) 3 GHz ? 30 GHz
d) 30 GHz ? 300 GHz
Iris is used to ?
a) Over come power loss
b) Over come bending effect
c) Over come mismatch error
d) Over come twist effect
In schotty barrier diode current flows because of ?
a) Majority carriers
b) Minority carriers
c) Majority and minority carriers
d) None
Which antennas are used in microwave communication ?
a) long wave antennas
b) Rhombic antennas
c) Parabolaidal antennas
d) All of above
Among translator & time of sight system capacity ?
a) Of translator is more
b) Of line of sight is more
c) Having equal capacity
d) No relation such as
No of T-state required for memory read or write operation-
a) 2
b) 3
c) 4
d) 6
89. In data transfer operation which flag get affected)-
a) 3140 flog.
b) carry flog
c) sign flog.
d) none
In flowchart which figure represents process like subroutine-
The storage and retrieval of data on stacks should follow sequence-
a) last in first out
b) first in first out
c) random in random out
d) none
While executing program microprocessor checks INTR line clearing-
a) each instruction
b) after interval of two instruction
c) after a subroutine
d) at the end of program.
93. In which error check technique of data communication 2's complement of all bytes of data is transmitted with data-
a) Even parity
b) odd parity
c) check scans
d) cyclic redundancy
Program execution hierarchy decides which operator-
a) is most important
b) is used first
c) is fastest
d) operators on largest number
(375)10 = (----)8
a) 550
b) 557
c) 567
d) 577
To obtain 2048 8 memory using 128 8 memory chip how many IC required-
a) 2
b) 4
c) 8
d) 16
A Decimal no. 17 can be converted in binary, the binary no. will be.-
a) 10001
b) 01110
c)00111
d) 11100
Is the Universal logic gate-
a) AND
b) OR
c) NAND
d) X-OR
A monostable state in multivibrator means-
a) which returns itself to its single stable state
b) the state used only once in circuit
c) the state of circuit can not get changed
d) the state of circuit always changing
For designing binary counter which flip flop is preferred -
a) T FF
b) SR FF
c) D FF
d) JKFF
His handwriting was not ----- so I could not read his note ?
a) attractive
b) eligible
c) clear
d) legible
They started to ----- people into the theatre only at six -
a) enter
b) admit
c) follow
d) accept
I told him to buy things that are lasting (Give the appropriate synonym of the underlined word).
a) ending
b) ordinary
c) durable
d) cheap
Give the word which is most opposite in meaning of the word 'evident'-
a) doubtful
b) unimportant
c) disagreed
d) understood
I expressed by disagreement ------ him on that issue-
a) between
b) with
c) about
d) for
?Sugarbowl? of the world is -
a) India
b) Cuba
c) Brazil
d) USA
Palk strait separates-
a) India and Srilanka
b) India and Burma
c) Britain and France
d) Malaysia and Sumatra
The minimum number of atoms in a molecule of an element are-
a) 1
b) 5
c) 2
d) 10
Tides in the sea are caused by-
a) Effect of sun
b) Effect of moon
c) combined effect of moon and sun
d) Gravitational, centrifugal and centripetal forces
The Bar council of India decided to close over law colleges across the country for their failure to maintain minimum teaching standard) There number is
a) 140
b) 200
c) 150
d) 100
Aswan Dam is located in-
a) Egypt
b) Libya
c) Sudan
d) Iran
Ghana Birds sanctuary is in the state of -
a) Rajasthan
b) Madhya Pradesh
c)Uttar Pradesh
d) Maharashtra
Dry ice is-
a) Frozen carbon monoxide
b) Frozen carbon dioxide
c) Frozen ammonia
d) None of these
East flower river of India is -
a) Cauvery
b) sone
c) Narmada
d) Tapti
The total length of the great wall of China is ?
a) 1,400 miles
b) 1,500 miles
c) 1,300 miles
d) 1,400 miles
Deficiency of vitamin C may result in-
a) beriberi
b) night blindness
c) dermatitis
d) Scurvy
Bharat Shah a film financer was granted bail by Supreme Court after a
period of ?
a) 11 months
b) 2 years
c) 18 months
d) 15 months
Indian local time is based on-
a) 800 E longitude
b) E longitude
c) 1100 E longitude
d) 250 E longitude
The two days Shiv Shena Mahashivir of 2002 started at Shirdi on ?
a) 9th April 2002
b) 10th April 2002
c) 8th April 2002
d) 11th April 2002
Which one is a good preservative of food?
a) Spirit
b) Formaldehyde
c) Sugar
