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Digital Computer Electronics

Digital Computer Electronics
How many memory locations can 14 address bits access?

None of these
14
4096
16384
8192

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Digital Computer Electronics
The term sum-of-products in boolean algebra means

The OR function of several OR functions
None of these
The OR function of several AND functions
The AND function of several OR functions
The AND function of several AND functions

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Digital Computer Electronics
Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

11110110000102
None of these
10010000000102
10001010001012
10110101110102

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

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

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Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

1 + A = 1
0 + A = A
A + A = A
1 . x = 1
None of these

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Digital Computer Electronics
What is the 1's complement of 0000 1111 0010 1101 number?

None of these
1111 1100 1010 1100
1001 0010 1010 1100
1111 0000 1101 0010
1111 0000 0010 1101

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