Microprocessor
Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions

 the microprocessor cannot be interrupted by any mask able interrupt
 all interrupts except non-maskable interrupt are disabled
 the microprocessor cannot be interrupted by any interrupt
 the microprocessor can be interrupted by a non-mask able interrupt

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
The stack pointer register in a microprocessor

 keeps the address of the next instruction to be fetched
 holds the address of the top of the stack
 counts the number of programs being executing on the microprocessor
 counts the number of instructions being executing on the microprocessor

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location

 2001H and 2000H to H and L registers respectively
 2000H and 1FFFH to H and L registers respectively
 2000H and 1999H to H and L registers respectively
 2001H and 2002H to H and L registers respectively

ANSWER DOWNLOAD EXAMIANS APP