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Digital Computer Electronics

Digital Computer Electronics
What logic function is produced by adding an inverter to each input and the output of an AND gate?

None of these
NOR
OR
NAND
XOR

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

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

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

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

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Digital Computer Electronics
Conversion of binary number 1011012 to hexadecimal is

2716
3716
20000000000000000
2D16
None of these

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Digital Computer Electronics
Which of the following logic families has the highest noise immunity?

TTL
HTL
None of these
DTL
RTL

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Digital Computer Electronics
Conversion of an octal number 74328 to a binary number is

1100110101112
None of these
1111111110002
11110001101112
1111000110102

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