Exercise: Digital Electronics

Questions for: Digital Electronics

figure shows three pulse train inputs to a 3-input OR gate. Assuming positive logic, the output pulse rate train in figure (b) would be
A:
B:
C:
D:
Answer: C
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In floating point number 0110100000010101, the exponent is equal to __________ 10
A:
11
B:
-11
C:
10
D:
-10
Answer: B
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Two voltages are -5 V and -10 V. In positive logic
A:
-5 V is 1 and -10 V is 0
B:
-10 V is 1 and -5 V is 0
C:
-5 V is 1 in some circuits and 0 in others
D:
-10 V is 1 in some circuits and 0 in others
Answer: A
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When two 16-input multiplexers drive a 2-input MUX, what is the result?
A:
2-input MUX
B:
4-input MUX
C:
16-input MUX
D:
32 input MUX
Answer: D
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The binary equivalent of 4096.90625 is
A:
1000000000000.11101
B:
10000000000001.10101
C:
1000000000001.10001
D:
1000000000000.10011
Answer: A
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