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

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