1. For the 16-bit binary number 1001 0101 1100 0011, show the effect of:
a. A right shift of 4 bits with zero fill.
b. A right shift of 4 bits with sign extension.
c. A left shift of 4 bits.
d. A left rotate of 4 bits.
e. A right rotate of 4 bits.
24. How can you clear a memory word on a machine with no CLR instruction?