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46. 

In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.
A. AND
B. OR
C. NAND
D. NOR
E. None of the above
47. 

The reduced form of the Boolean expression (A+B)(A+C) is:
A. AB+AC
B. A+B+C
C. AC+B
D. A+BC
E. None of the above
48. 

A full-adder adds _____ bits, and producing a SUM and a _____
A. 8, SUBTRACTION
B. 3, CARRY
C. 16, DIVIDE
D. All of the above
E. None of the above
49. 

The radix of the binary number is:
A. 3
B. 1
C. 2
D. 10
E. None of the above
50. 

An XOR gate recognizes only words with an _____ number of 1's.
A. even
B. odd
C. different
D. All of the above
E. None of the above