Q3.A low – pass filter with a cut-off frequency of 30Hz is cascaded with a high-pass filter with a cut-off frequency of 20Hz. The resultant system of filters will function as
Q5.A portion of the main program to call a subroutine SUB in an 8085 environment is given below.
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LXI D,DISP
LP : CALL SUB
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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.