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Digital Computer Electronics

Digital Computer Electronics
An OR gate has 6 inputs. How many input words are in its truth table?

None of these
128
32
16
64

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Digital Computer Electronics
A multiplexer is also known as

coder
data selector
None of these
decoder
multivibrator

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

algebraic code
8421 code
excess 3 code
None of these
gray code

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Digital Computer Electronics
What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

Higher reliability
All of these
Smaller size
None of these
Lower cost

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Digital Computer Electronics
A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as

demultiplexer
decoder
multiplexer
encoder
None of these

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Digital Computer Electronics
How many full and half-adders are required to add 16-bit numbers?

None of these
1 half-adders, 15 full-adders
4 half-adders, 12 full-adders
16 half-adders, no full-adders
8 half-adders, 8 full-adders

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