Electronics and Communication Engineering - Digital Electronics

The logic operation that will selectively clear bits in register A in those positions where these are 1 's in the bits of register B is given by

The 2's complement representation of the decimal number -4 is

The following program starts at location 0100H
L X ISP, 00FF - the content if accumulator
LXIH, 0701 - when the program counter
MVI A, 20 H - reaches 0109 H is
S ∪ BM

In 8085 microprocessor, what is the length of PC (program counter)?

In decimal system the base of radix is