Exercise: Digital Computer Electronics

Questions for: Digital Computer Electronics

Binary-Coded-decimal (BCD) numbers express each digit as a _____
A:
byte
B:
nibble
C:
bit
D:
All of the above
Answer: B
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Which of the following boolean algebra statements represent commutative law
A:
(A+B)+CA+(B+C)
B:
A.(B+C)(A.B)+(A.C)
C:
A+BB+A
D:
A+AA
Answer: C
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Multiplication of 478 by 528 is
A:
(3144)8
B:
(4147)8
C:
(3146)8
D:
(3184)8
Answer: C
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The number of input words in a truth table always equals _____ where n is the number of inputs bits.
A:
10n
B:
2n
C:
4n
D:
8n
Answer: B
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Which of the following is a universal gate?
A:
AND
B:
OR
C:
EX-OR
D:
NAND
Answer: D
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