Microprocessor and Microcontroller Important Questions and Answers:
1. List the different types of 8051 instructions.
Answer:
- Data transfer instructions.
- Arithmetic instructions.
- Logical instructions.
- Control transfer or Branching instructions.
- Boolean or Bit Manipulation instructions.
2. What are the various operations performed by Boolean variable instructions of 8051?
Answer:
Bit manipulation instructions perform move, set, clear, complement, OR, AND operations and branches the program control on certain conditions.
3. Give the memory size of 8051 microcontroller.
Answer:
The program memory space of 8051 microcontroller can be up to 60k bytes long.
