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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

1011
101
100
111
None of these

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Digital Computer Electronics
The hexadecimal number system is widely used in analyzing and programming ______

microprocessors
vacuum tube
registers
None of these
chips

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Digital Computer Electronics
A binary adder is a logic circuit that can add _____ binary numbers at a time.

Two
One
Thousands
None of these
Hundreds

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

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

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Digital Computer Electronics
Conversion of binary number 1011102 to an octal number is

None of these
508
358
468
568

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Digital Computer Electronics
A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _____ to get a low output

low
high
some low and some high
None of these
0's

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