After the following has been executed MOV BL, 8C MOV AL, 7E ADD AL, BL; what will be the contents of register AL?
CDAC,
2278If 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,
1254In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing
CDAC,
1492
What is system bus?
How the stack is initialized?
Where 8086 mostly used & tell application of 8086?
Can single bit of a port be accessed in 8051?
Explain in steps what happens when an interrupt occurs?
What type of interrupt is the “trap” and what does it do?
Define crossbar switching with reference to 8086?
What is segment address in 8086?
State the type of addressing modes supported by the 8086?
Explain the instruction stream queue mechanism in the 8086?
what is program counter?
What are the data pins of microprocessors? What is their use?
What type of memory is the stack?
What is the difference between isr & function call?
Explain about interrupt driven mode of data transfer