Microprocessor
Which of the following conditions is not allowed in an RS latch?

R is asserted, S is asserted
R is negated, S is asserted
R is negated, S is negated
R is asserted, S is negated

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

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

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Microprocessor
When referring to instruction words, a mnemonic is

 a short abbreviation for the data word stored at the operand address.
 shorthand for machine language.
 a short abbreviation for the operand address.
 a short abbreviation for the operation to be performed.

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

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