The decimal number written in the form of the normalized scientific notation must have

A. the number 1 as the whole part (to the left of point)

B. exactly one of the digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) as the whole part (to the left of point)

C. no non-zero digit as the whole part

D. exactly one of the digits (1, 2, 3, 4, 5, 6, 7, 8, 9) as the whole part (to the left of point)

2. If the address of an instruction in memory in a 64-bit computer is 1234 (in decimal). Then the address of the instruction in the next cell of memory is

1235, 1300, 1238 or 1242