Exercise: Digital Electronics

Questions for: Digital Electronics

A/D parallel converter is also called flash converter.
A:
True
B:
False
C:
D:
Answer: A
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A seven bit code (even parity) 1111101 may have error. The correct code is
A:
1111101
B:
1111111
C:
0101011
D:
1100011
Answer: B
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Digital technologies being used now-a-days are
A:
DTL and EMOS
B:
TTL, ECL, CMOS and RTL
C:
TTL, ECL and CMOS
D:
TTL, ECL. CMOS and DTL
Answer: B
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In order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instructions are needed?
A:
El only
B:
SIM only
C:
El and SIM only
D:
None
Answer: C
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In sign magnitude numbers,
A:
the leading bit stands for the sign
B:
the leading bit is part of the magnitude
C:
the leading bit is always 0
D:
the leading bit is always 1
Answer: A
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