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Digital Computer Electronics

Digital Computer Electronics
The number of two-input NAND gates required to produce the two-input OR function is

4
None of these
1
2
3

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Digital Computer Electronics
The digits used in a binary number system are _____ and _____

1 and 2
3 and 4
0 and 1
None of these
9 and 0

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Digital Computer Electronics
Addition of 1101012 and 1011112 is

11101112
1100112
11010002
11001002
None of these

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

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

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Digital Computer Electronics
Conversion of binary number 100000000002 to decimal number is

None of these
103710
103410
112410
102410

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Digital Computer Electronics
The logic 1 in positive logic system is represented by:

negative voltage
None of these
zero voltage
lower voltage level
higher voltage level

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