Question48:-A Binary number 10101 is equivalent to decimal number
A:-19
B:-12
C:-27
D:-21
Correct Answer:- Option-D
Question49:-The number *(12) §
A:-12
B:-20
C:-10
D:-4
Correct Answer:- Option-C
Question50:-The expression ‘bar{(ABC)}* can be simplified as
-‘barA.barB.barC
AB + BC + CA’
“۸8+531۴
D:- barA+barB+barC*
Correct Answer:- Option-D
Question51:-CMOS circuits are extensively used for One chip computers mainly because of their
A:-Low power dissipation
B:-Low cost
C:-High noise immunity
D:-Large packing density
Correct Answer:- Option-D
Question52:-The principal disadvantage of a Piezo electric transducer is that it
A:-can measure only force
B:-cannot measure static conditions
C:-is too small to handle
D:-produces only DC voltage
Correct Answer:- Option-B
Question53:-Loading effect is principally caused by instruments.
A:-high resistance
B:-low sensitivity
C:-high sensitivity
D:-high range
Correct Answer:- Option-B
Question54:-Total internal reflection can take place when light travels from
A:-air to glass
B:-glass to air
C:-rarer to a denser medium
D:-denser to a rarer medium
Correct Answer:- Option-D
Question55:-The structure of an optical fibre consist of
A:-multimode step index
B:-graded index
ingle mode step index
D:-all of the above
Correct Answer:- Option-D
Question56:-Noise margin is expressed in
A:-Decibel

is equivalent to decimal

Correct Answer:- Option-C
Question57:-An X-OR gate produces an output only when its two inputs are
A:-high
B:-low
C:-different
D:-same