Microprocessor and assembly language programming
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- What is fetch cycle and why is it required?
- What is the need of control bus in microprocessor?
- Write three different methods to clear the accumulator
- What do you understand by asynchronous data transfer?
- Differentiate between IN and OUT instructions.
- How does microprocessor differentiate software and hardware interrupts?
- List the uses of 8251?
- What are the features of Motorola 68000?
- Write the addressing mode of 8086.
- Discuss briefly about DMA controller.
- What is a microprocessor and what is the difference between microprocessor and CPU?
- What is the program counter and why is it required?
- What is Emulator?
- Explain the format and functions of RIM, SIM and DAA instructions of 8085
- What is the significance of Z and CY flag in microprocessor?
- What are the second bytes in the instructions IN and OUT? How are they determined?
- Discuss DMA Controller briefly
- Write the advantages of the assembly language in comparison with high level language.
- Explain why the number of output ports in the peripheral mapped I/O is restricted to 256.
- List the four categories of 8085 instructions that manipulate data?
- List the different data transfer modes
- List the 16 - bit registers of 8085 microprocessor
- Mention the purpose of SID and SOD lines
- What is the function of IO/M signal in the 8085?
- What is the difference between a JMP instruction and CALL instruction?
- What are Control signals used for DMA operation?
- What is polling?
- What are priority interrupts?
- What is the purpose of HOLD and READY signals
- What is the use of modem control unit in 8251?