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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

100
1011
111
None of these
101

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Digital Computer Electronics
The OR gate has two or more input signals. If any input is _____ the output is high.

low
All of these
high
None of these

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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)

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

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

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

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Digital Computer Electronics
The logic 1 in positive logic system is represented by:

None of these
negative voltage
zero voltage
lower voltage level
higher voltage level

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Digital Computer Electronics
How many memory locations can 14 address bits access?

16384
14
4096
None of these
8192

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MORE MCQ ON Digital Computer Electronics

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