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COMPUTER ORGANIZATION & ARCHITECTUREExplain register reference and memory reference instructions in detail with suitable examples.20197mOPERATING SYSTEMThe address loaded into the memory address register of the memory is referred to as (i) Physical address (ii) IP address (iii) Port address (iv) Logical address20242mCOMPUTER ORGANIZATION & ARCHITECTUREWhich addressing mode uses the contents of a register to determine the effective address? (i) Signed integers (ii) Indirect addressing (iii) Direct addressing (iv) Register addressing20252mCOMPUTER ORGANIZATION & ARCHITECTURERegisters R1 and R2 of a computer contain the decimal values 1200 and 4600. What is the effective address of the memory operand in each of the following instructions? - (i) Load 20(R1), R5 - (ii) Add –(R2), R520142m
PreviousJP instruction in 8085 performs branch if: (i) Carry flag is 1 (ii) Parity flag is 1 (iii) Sign flag is 0 (iv) Auxiliary carry flag is 0NextWhich of the following statement is true for the instruction PUSH B? (i) It is an arithmetic instruction (ii) Executes in single machine cycle (iii) It reads from memory location (iv) It performs memory write operation