After the following has been executed MOV BL, 8C MOV AL, 7E ADD AL, BL; what will be the contents of register AL?
CDAC,
2384If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.
CDAC,
1381In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing
CDAC,
1584
What is stack pointer in 8051 microcontroller?
What is the RST for the TRAP?
State the type of addressing modes supported by the 8086?
What jobs alu of 8085 can perform?
Name the pin in 8086 microprocessor that is used for selecting mode of operation?
Mention the addressing modes of 8085?
How can you increase ports of a microprocessor?
What happens when call instruction is executed?
What type of interrupt is the “trap” and what does it do?
How can signals be classified for the 8085 microprocessor?
Explain sim and rim instructions?
How can interrupts be classified in the 8086?
Explain what is sim and rim instructions?
With 12 mhz clock frequency how many instructions (of 1 machine cycle and 2 machine cycle) it can execute per second?
What are registers in microcontroller ?