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Digital Computer Electronics

Digital Computer Electronics
Express -7 as 16-bit signed binary numbers.

0000 0000 0000 0111
1000 0000 0000 0111
0111 0000 0000 0000
None of these
0111 0000 0000 0001

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Digital Computer Electronics
What is the 2's complement of 0011 0101 1001 1100 number?

1100 1010 0110 0100
1100 1010 0110 0011
None of these
1100 1010 1100 1011
1100 1010 1111 1111

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Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

XAND
AND
None of these
XOR
NOR

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Digital Computer Electronics
Conversion of hexadecimal number 1D7F16 to a decimal number is

755110
778110
None of these
877110
555710

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Digital Computer Electronics
The dynamic race hazard problem occurs in

None of these
none of the combinational and sequential circuits
sequential circuits only
combinational circuits only
both combinational and sequential circuits

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Digital Computer Electronics
Conversion of an octal number 1348 to a binary number is

None of these
10110112
1100112
11011002
10111002

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