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Digital Computer Electronics

Digital Computer Electronics
Which of the following logic families use bipolar transistors?

GaAS
TTL
None of these
NMOS
CMOS

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Digital Computer Electronics
Which of the following logic expression is wrong?

1 + 1=0
1+0+1 = 1
1 + 0=1
None of these
1 + 1 + 1 = 1

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Digital Computer Electronics
Addition of 102 and 112 is

None of these
1012
1112
1102
1002

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

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

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Digital Computer Electronics
The functional difference between SR flip-flop and JK flip-flop is that

None of these
JK flip-flop is faster than SR flip-flop
JK flip-flop does not require external clock
JK flip-flop has a feed back path
JK flip-flop accepts both inputs 1

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Digital Computer Electronics
Instead of counting with binary numbers, a ring counter uses words that have a single high _____

bytes
chip
None of these
gate
bit

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