36. A bus is a group of _____ carrying digital signals.
A. wires
B. gates
C. transistors
D. registers
E. None of the above
37. The simplified form of the Boolean expression (X + Y + XY)(X + Z) is
A. X + Y + Z
B. XY + YZ
C. X + YZ
D. XZ + Y
E. None of the above
38. De Morgan’s first theorem says that a NOR gate is equivalent to a bubbled _____ gate.
A. AND
B. XAND
C. XOR
D. NOR
E. None of the above
39. Addition of 102 and 112 is
A. 1002
B. 1012
C. 1112
D. 1102
E. None of the above
40. How many bits are required to encode all twenty-six letters ten symbols, and ten numerals?
A. 5
B. 6
C. 2
D. 3
E. None of the above