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Digital Computer Electronics

Digital Computer Electronics
The NOR gate is logically equivalent to an OR gate followed by an _____

AND
None of these
XOR
XAND
inverter

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Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

1101000012
10010111102
None of these
11110000012
11110111112

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

All of these
8C
AF
None of these
9E

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Digital Computer Electronics
Conversion of an octal number 1428 to binary number is

11000102
11000112
1101102
None of these
11011012

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

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

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Digital Computer Electronics
If a microcomputer has a 64K memory, what are the hexadecimal notations for the first and last memory location?

0000, 9999
0, 64
0000, FFFF
0000, EEEE
None of these

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