Q3.A portion of the main program to call a subroutine SUB in an 8085 environment is given below.
LP : CALL SUB
It is desired that control be returned to LP+DISP+3 when the RET instruction is executed in the subroutine. The set of instructions that precede the RET instruction in the subroutine are
Answer : Option CExplaination / Solution: No Explaination.
Q9.In the circuit shown below, Q1 has negligible collector-to-emitter saturation
voltage and the diode drops negligible voltage across it under forward bias. If Vcc is +5V, X and Y are digital signals with 0V as logic 0 and Voc as logic 1, then the
Boolean expression for Z is
Answer : Option BExplaination / Solution: No Explaination.