Exercise: Digital Computer Electronics

Questions for: Digital Computer Electronics

What logic function is obtained by adding an inverter to the output of an AND gate?
A:
OR
B:
NAND
C:
XOR
D:
NOR
Answer: B
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In boolean algebra, the times sign stands for the _____ operation
A:
AND
B:
OR
C:
NAND
D:
NOR
Answer: A
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The 2's compliment of binary number 010111.1100 is
A:
101001.1100
B:
101000.0100
C:
010111.0011
D:
101000.0011
Answer: B
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The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.
A:
OR
B:
AND
C:
NAND
D:
XOR
Answer: D
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The ASCII code is a 7-bit code for
A:
letters
B:
numbers
C:
other symbols
D:
All of the above
Answer: D
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