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Digital Computer Electronics

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

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

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Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

nT
None of these
(n+l)T
(n-l)T
2nT

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Digital Computer Electronics
When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.

register
pulse
transistor
None of these
clock

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Digital Computer Electronics
Conversion of binary number 1010000101112 to hexadecimal number is

None of these
D8F916
D9F816
A1716
A8B916

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Digital Computer Electronics
Resistor Ratio design is used in linear ICs because

None of these
Ratios increase input resistance
Precise resistor values are not possible with IC processes
Ratios increase amplifier gain
All of these

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Digital Computer Electronics
What is the 1's complement of 0000 1111 0010 1101 number?

1111 0000 0010 1101
1111 0000 1101 0010
1001 0010 1010 1100
1111 1100 1010 1100
None of these

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