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Digital Computer Electronics

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

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

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Digital Computer Electronics
Conversion of 10110112 to it's decimal equivalent is

8110
9110
None of these
20010
10010

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Digital Computer Electronics
How many full and half-adders are required to add 16-bit numbers?

1 half-adders, 15 full-adders
16 half-adders, no full-adders
4 half-adders, 12 full-adders
8 half-adders, 8 full-adders
None of these

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Digital Computer Electronics
When an inverter is placed between both inputs of an SR flip-flop, the resulting flip-flop is

Master slave JK flip-flop
JK flip-flop
D flip-flop
T flip-flop
None of these

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Digital Computer Electronics
_____ has become the most widely used bipolar family.

DTL
MOS
None of these
ECL
TTL

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Digital Computer Electronics
A NOR gate recognizes only the input word whose bits are _____

0's and 1's
0's or 1's
None of these
0's
1's

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