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Digital Computer Electronics

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

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

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Digital Computer Electronics
The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.

ECL, DTL
None of these
SSI, LSI
MSI, LSI
SSI, MSI

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Digital Computer Electronics
A positive AND gate is also a negative

NAND gate
OR gate
AND gate
None of these
NOR gate

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

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

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Digital Computer Electronics
The OR gate has two or more input signals. If any input is _____ the output is high.

low
None of these
All of these
high

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

excess 3 code
None of these
gray code
algebraic code
8421 code

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