Consider the following registers:
1. Accumulator and flag registers
2. B and C
3. D and E
4. H and L
Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?1
1, 3 and 4
2
2, 3 and 4
3
1, 2 and 3
4
1, 2 and 4