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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?

128
32
None of these
64
16

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Digital Computer Electronics
The Gray code for decimal 7 is

1011
100
None of these
111
101

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Digital Computer Electronics
What is the 2's-complement representation of -24 in a 16-bit microcomputer?

1111 1111 1110 1000
0000 0000 0001 1000
1111 1111 1110 0111
None of these
0001 0001 1111 0011

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

None of these
XY + YZ
XZ + Y
X + YZ
X + Y + Z

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Digital Computer Electronics
What is the decimal equivalent of 210?

None of these
4096
1024
16
1000

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

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

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