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Digital Computer Electronics

Digital Computer Electronics
An XOR gate recognizes only words with an _____ number of 1's.

odd
None of these
All of these
different
even

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

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

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

None of these
All of these
bit
byte
nibble

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

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Digital Computer Electronics
Which of the following flip-flops is free from race around problem?

SR flip-flop
All of these
master slave JK flip-flop
None of these
T flip-flop

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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

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

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